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guys the whole point of this video is to

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undo the catastrophe of the car radiator

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video this is a heater core and this is what I was supposed to have that time

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around you can see we've designed a shroud for it that'll allow you to use a

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regular pc cooling fan even though this was originally designed for a car these

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were mostly popular in the early 2000s when custom-made PC water cooling

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radiators weren't really a thing yet what does this have to do with any of

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what I just said and what does it have to do with this

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message from our sponsor motiongray their sit to stand desks and Ergo chairs

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provide maximum Comfort at an affordable price crunch your numbers not your back

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by checking them out at the link down below and use code Linus to save 10 on

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your purchase it's this thing new from a 69 Camaro why

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would it be new I don't know maybe there's a for enthusia just restoration

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parts brand new or something look the

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point is this AIO water cooler with a

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triple 120 millimeter radiator costs a whopping

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180 dollars which got us thinking given

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that you can go to a junkyard and pick up a heater core that's got to have at

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least that kind of cooling capacity for

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like 40 bucks could we scrape together everything else we need and build a

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competitive water cooling system I mean we all know about the problems with aios

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weak pumps skinny tubing and want to

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upgrade them forget about it this might not be pretty

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but if we choose the right case we might be able to install it in such a way that

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you would never know that it's inside the question is just how much did the

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rest of this stuff cost us in total everything including the heater

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core was a hundred and eleven dollars really so we beat this by 70 bucks yep

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all we need to know now is how much work are we going to be putting into

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installing it and what's the performance going to be like to be clear this isn't

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a given and one of our obstacles is right in the name it's a heater core

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it's not for cooling it actually takes

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cold air coming into the front of your vehicle sometimes at a significant

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velocity takes hot water from your engine Heats that air and then blows it

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into your face on a cold Winter's day which means that even though it would

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typically have a fan as an assist heater cores are thick with dense thin

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Arrangements because they need a lot of static pressure to get through them

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static pressure that a typical PC fan is

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not really designed to provide although then again if those can't do it maybe

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these can and if these can't well this

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definitely can definitely not in the budget but I think

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this would probably fit yeah that one that one plus it a bit while Alex gets

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the fans mounted I want to talk about yet another obstacle you know how I just

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said you'd expect to have way more airflow in a car well

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you'd also expect to have way more water flow from the pump you would find in a

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car and while we did find an affordable

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aquarium pump that claims to do 1 400

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liters per hour the issue with aquarium pumps is they're typically designed to

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maximize flow rate even if it comes at the cost of head pressure so as soon as

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we start to try to pump that water through a restrictive CPU block or a big

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fat heater core we could see those flow

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rates plummet also that's the least of our

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concerns at the moment because like does this even hold water

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what's yeah what's inside of it

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solder

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oh that's green okay uh that's not supposed to go down the sink okay tasty

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that seems fairly minimal please don't

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attack our office Greenpeace it warmed up when I cleaned it out with the hot

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water now it just smells gross uh that's been in my office the whole week so I

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know how you feel put your face right in it I don't mind it that's all that but

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metal smell one of the big challenges with two

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thousands era water cooling was finding a a heater core that would fit in a case

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and B a case that would fit a heater core because you got to remember back

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then most of our cases had a ton of

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Drive Bays especially the large premium

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ones that might have enough space so what folks often ended up doing is

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dremeling out or otherwise removing large amounts of the front of the

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internals and in some cases even the front of the case in order to get enough

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airflow through these Hogs thankfully we shouldn't have to deal with any of that

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because our handy dandy engineer Kyle made us a shroud which is going to serve

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two purposes one it's going to create a gap between the spinning blades of our

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fan and the heater core itself you can see it's about a centimeter right now

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that's going to help us make more effective use of the fins that otherwise

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would be under the Hub or under the corners or way over there where our fan

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can't reach them the second purpose is it's going to make it compatible with

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our case because we can mount the fan here and then we can mount our two fans

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into the front of the case this is exactly how smoothly that car radiator

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shoot was supposed to go if only we had gotten a heater core that time like I

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asked what we have done literally nothing so far Linus we've done

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something can you say this is going smoothly we haven't even JB welded our

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fittings into it yet oh wait no we could just stretch tubing

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over that uh that's three quarters of an inch I could stretch half inch

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tubing over it seems like a tight fit you know what

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oh where's that heat gun

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oh if it fits you know you're gonna sit what what graphics card is that in there

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don't worry about it okay bye-bye 4090 no

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he's actually doing better than I thought he would I think my first rodeo

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okay back of my day I used to do a 3 8 inch thick wall tubing over half inch

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fittings to make sure they would never leak so one thing I've realized that's

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going to be a problem that we could probably solve right now is that my

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AliExpress water block

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I'm listening it's not am5 compatible because I just forgot that I have am5

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here it's dangerous don't worry about it oh that's that's fine you're actually a

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lot further than I thought you'd be

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at this point in the video you're probably wondering why we're even

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bothering to show you this it doesn't seem like the sort of thing that you should do at home but that's not

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actually the case I mean we are intentionally using the wrong size

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tubing here because we would have to go all the way over to the other building to get thicker tubing so it's not the

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kind of thing that you would have to deal with and as long as our performance

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is okay there's no denying the difference in cost

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so as long as you can find a good deal on a heater core I don't see any reason

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why you couldn't replicate this at home however it's gotten a little bit more

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difficult finding copper based heater cores these days since a lot of the

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modern ones are aluminum and those of you who are experiencing water cooling

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will know that if you run an aluminum component and a copper component

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together in the same Loop even with an anti-corrosion additive you

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are asking for a bad time and since aluminum water cooling components are

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few and far between you will need to find a copper heater core motorcycle

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radiators are another option if you can find one with Dimensions that'll fit in

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your case ultimately you just do what a lot of people used to and you don't

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bother putting it in your case just run some tubes out the back and uh

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go whole room water cooling oh no I was just trying to think you might need to

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do even more stretching now that I look at the fittings that we have for this

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aquarium pump that's the only one you have to go into the other side well I

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have this one oh ye of little faith

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success sure if that doesn't look like

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performance to you I don't know what would

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uh guys what did you think to maybe

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offset this so that it fits in the case

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uh I thought that we can just take that part out yeah or Dremel ah oh yeah

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LTC screwdriver for the win yes

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hey this is a pretty big moment of truth

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oh no oh you've kinked it bro

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don't kink shame also I have a plan

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he was supposed to cut the tubes shorter

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that's a way worse plan hold on okay hey so now when it leaks

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it's right on the power supply yeah oh geez you're spilling water in the case

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too where were you planning to put the reservoir and pump well my thought was

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we would cut these tubes short which I forgot to mention and then we would put

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the radiator up top with the pump down below I see I really have to remove my

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tube no you just cut the copper pipe off

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the tube's still attached

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uh rest in peace stretched tube hey guys

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cavalry's here what's up Colin uh oh this is perfect we got some nice

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thick boys uh yeah sure uh just just right here is good yeah just depth

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literally anyway thank you

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no thanks

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excellent you contributed to that that was not all of us I got some tech tips

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here for you Kyle

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that looks pretty good Alex made the executive decision to not try to install

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our cheap AliExpress block because it's not am5 compatible and we're just going

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to use what an EK block Alpha cool actually yeah we're still

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well under budget like 50 60 bucks under what we would have paid for an AIO yeah

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and we're using a premium block from a

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very reputable water cooling company oh that sounds so good it's pretty it's

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a bad color I'm trying to sell this screwdriver you

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the best way to do this would have been to braise fittings onto the copper pipes

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however the good thing about the way we're doing it is we're showing you guys

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a lot of the different options you can also just stretch a tube over and you

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can also epoxy A fitting onto the bare

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copper pipe just bear in mind that brazing would be the most reliable it's

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bigger freaking a that's what you said all

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right but do you have a fitting for this for the other side no wait

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we're good we go from the radiator to that side of

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the pump oh yeah as long as that is an appropriate Loop order then we're good

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to go okay Alex is here with the big tube okay I think we're just gonna put

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big tubing over JB Weld I also know how we can adapt between the

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two oh no

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I approve I approve perfect I approve no no no no

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no no no no no no

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yeah it didn't stick it in it didn't zip tie it

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I'm bringing this back over and we're forgetting about the JB Weld then yep I

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guess so all right oh it's pretty uh hardened boys

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the good news is that it's at an in-between tacky phase where I can get

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it off really cleanly guys this is great okay this one goes on this

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side then that's a lot of JB Weld on my tube

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okay we need one of those zip tie guns have you ever seen one of those zip ties

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yeah they're super cool

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they're not that expensive you want me to buy you one nope I've wasted so much

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more of your money than the frequency of Thai gun mate

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okay here we go come on

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yeah yeah oh nice this is actually going a

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lot better than I thought it would what happened last time someone said this is

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going really well have you learned nothing

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nope all right not bad though hey we

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still haven't pressure tested it

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I'm just saying it right now so that when we spill water all over 40 90 that

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there's documentation of I told you sir I often tell this to people on the

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leadership team here I Told You So is not acceptable all right if you knew

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better you have to actually stop it could I stop you if I tried nope

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well I for one am excited what are we using for a rep

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really that loopy little thing yeah this is our radiator yeah and that's a

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reservoir it's really cheap oh you realize how much bigger this is than the

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reservoir that was in the AIO that's true yeah it is infinitely bigger than

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the reservoir that was in the AIO which doesn't have one we are going to have

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this Loop filled before you can say Bob's your uncle don't try to say Bob's

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your uncle faster than I'm doing what I'm doing right now magnet

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uh why did it have to be flesh colored

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too bad we don't have the only fans anymore

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freaking hey that like is not bad though

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guys like for realsies not bad it

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actually looks like industrial yeah I'm bringing the radiator down to the pump

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which I just need to get repositioned so that the inlet has access to what's

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coming off of the uh Reservoir I just

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need a position for it where are you going to put the reservoir it'll have to

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go somewhere right before the pump okay I can't screw this up so I'm gonna err

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on the side of a little bit longer okay then

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this bad boy has to go over this Barb or we are boned

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oh look at that perfect actually that's that's a genius

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way to mount the wow it's right here seems like yeah that's real good old

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school freaking water cooling guys we are doing it I'm actually feeling really

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good now this has been a bit of a discouraging project up until now

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other than the first bit where things were going really well and I jinxed it

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oh man we got this question select Kyle

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how does the reservoir get water from this oh okay I didn't see that don't

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worry Kyle everything's going to be okay

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forgive me for not having faith in these guys I can see it I can smell Victory

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00:14:52,980 --> 00:14:58,860
right now look at this now we have

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00:14:56,220 --> 00:15:03,060
access to both the inlet which is going to come from can you pass me this one

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this one here so you passed me that what do you mean goes to the inlet through

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where yeah yeah exactly right there and we've got a fill Port do you want to cut

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00:15:08,220 --> 00:15:13,500
it shorter we'll just leave it long uh no no we'll cut it shorter we'll cut it shorter here okay don't kill it that

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short tell me when just like look at it and

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cut it in the right spot you're a smart guy okay sure

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you should make educational videos Alex it's like a gift ah do you have those

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scissors what are you doing cutting it oh my goodness okay can I have that

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please no not that that's the sixth

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what do you want oh can I have that the

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tubing kind of looks that can you be less of a downer clear

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black different kind of black luckily the same color black is this black oh

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00:15:44,459 --> 00:15:50,220
these are way too long you cut this one well yeah I was just doing a test to

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make sure that it fit on the thinning what did you it's like Kyle these are

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way too long and you grab the one that you freaking cut well I put you in charge

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here unless you want this to cut tubing well you see I will say line is possibly

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the scissors which are these how many times did I say scissors editor uh do

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you have those scissors okay can I have that please hey look at this though guys

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we're freaking installed I want to see some performance out of this thing

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that pump is freaking going though hey that Pub is pretty ridiculous I'm pretty

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happy it'll go go go go go go go go go go go go go go go go go okay now don't

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don't turn it off whatever you do this

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oh no the block the good news

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is that the computer is not powered on which means everything should be alive

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we weren't supposed to do it until later but I do have a water cooled 49er right

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here that we're going to swap in if we felt the need I think we're swapping

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this in uh oh I found some of your um

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radiator schmoo oh yeah that's a pretty gross I know the problem look

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it's not straight so the O-ring was sitting on this scene it's very obvious

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what went wrong and how to fix it I have a lot of JB Weld on my fingers which is

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probably not the best thing for an O-ring oh it's pretty bad yeah that's

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that's not turning back on today all right no problem guys we might have got

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away with one the heatsink for the SSD is very wet

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but I think that the SSD itself is dry hey the good news is by the time you buy

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a GPU block you are still not that far

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off what you would have spent on that top of the line AIO you're an extra

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maybe 40 bucks inch yeah that's the upgradability of a custom Loop yeah and

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your sanity don't worry about that

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new GPU upgrading all right are you ready

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I'm ready do it

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is okay we're good that was the problem

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missing clear o-ring that's fine

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okay hit me with another thank you so much good sir

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the motherboard is very clean now especially the 490s very cleanly washed

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it can I have some side Cutters you mean Flush Cutters I mean a thingy

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pass me that okay

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let's do it let's do it you ready yep

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there's a lot of air bubbles in there that's okay because we have the

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reservoir right above the pump and because we have the fittings for the

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radiator at the top the bubbles have nowhere to get stuck so

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they'll this will bleed extremely quickly it's a submersible pump so they tend not

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to be that quiet although it's not very quiet it's pretty it's not bad now that

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it's got the air bubbles out of it and like we have really got some water

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moving in here you guys ready okay do it three two one do it do it oh press the

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wrong button it's probably Knocked Up

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come on baby I haven't checked anything else 24 pin

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plugged in I'm getting postcodes and stuff it's doing stuff are we are we up

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are we up we did it

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yeah Jank water cooling save 50 bucks

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we did yep well minus the GPU

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this is moving yeah that's on finishing touches it

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actually looks pretty fine from the front

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that classic blue LED 120 mil fan look

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though all right in summary then we

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probably downgraded our radiator a little bit more surface area from the

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front tends to be better than more thickness overall plus these are

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probably better fans than what we put on this but we upgraded our block our pump

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is probably fine we actually have a reservoir now at all and we did it for

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50 60 bucks less so we could have splurged for premium

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fans and we would still have a system that is upgradable that we can grow into

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we will upgrade the fan but what we're looking for here the biggest thing is

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CPU package power I'm guessing this is going to hit 95 degrees because AMD

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targets that yeah but if this drops below about 184 Watts we're doing worse

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if we're able to get above 200 we like killed it when we did the test before we

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just had the AIO cooling the water block not the GPU yeah correct so now we're

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cooling both CPU and the GPU yeah yeah so if we have the same package power not

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only are we winning we are super windy yes but we also blew the budget with

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that GPU block so

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are you hitting it okay CPU

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85 90. yeah so we have 200 watts can we

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sustain it you're not hitting the GPU are you no no that would be pretty

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unfair it's already got a little bit of extra load on it from that and more

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restriction in the loop from having to push water through an additional block I

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think that we're still already ahead of the AIO really yeah that actually makes

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sense because aios use extremely

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rudimentary cold plates so that's your bottleneck rather than

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the temperature of the coolant you can throw all the fans and all the radiator you want at it

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if the cold plate can't move heat fast enough it's just not going to be as

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effective oh we're down to 92. what

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192. yeah 190. that's still more

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no 192 is kind of like where it liked hanging out before okay

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well I guess we don't need to get good at high-fiving then the thing that might

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be pulling it back is like the vrms and

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not the CPU itself it's without a doubt as good or better than the AI and

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upgradable should we upgrade it oh God

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if you must I I think we just do it

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right now right now we're doing it we're just we're just sending it oh we can do

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it can we yeah no way okay let's put

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some real airflow on this thing if you're finding yourself asking

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did I just watch just know that you're not alone there are other people like

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you and they all shop at lttstore.com all

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right okay I'll be good I think we're good

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okay hold on can I just yeah it's great

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00:22:26,220 --> 00:22:31,700
great is a strong if it takes off just get out of the way okay

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what can possibly go this is basically like driving down the highway at 100

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miles an hour we're up from 180 to 187

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. this is moving some heat out of that heater core boys 188.

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189. oh my 190.

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all you need is the right fan configuration

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this just keeps going guys we're all the way up to 194. the fans are spinning

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fast enough that the LEDs turned on I gotta confess I'm actually a little

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surprised that the heater core method is

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still a viable option for PC water cooling

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oh yeah it's great to be clear there are

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more economical ways you could use proper PC water cooling parts to beat an

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00:23:25,320 --> 00:23:31,200
AIO and maybe that'd be a good idea for a follow-up video oh yeah you don't have

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to buy your radiator from the most premium Brands like EK there are more

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00:23:33,659 --> 00:23:41,340
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if you guys enjoyed this video you know what I'm gonna throw to the time that

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00:24:32,280 --> 00:24:37,620
Alex and I tried to do this but ended up

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00:24:35,400 --> 00:24:43,640
with a radiator instead of a heater core oh that was so good

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00:24:39,120 --> 00:24:43,640
class one of our worst videos the best
