DIY Turbo Discussion greddy on a 1.8? homebrew kit?

Diy intercooler piping teaser

Old 06-09-2009, 01:59 PM
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Looks good, however it's a lot more work than is needed especially when you can do it without having to cut holes and remove fenders.
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Old 06-09-2009, 03:21 PM
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Originally Posted by Flawxy
Personal Opinion.. I'd replace this coupler with a weld. Even though you can access that without pulling fender it'd still be a huge bitch to get to and might not be repairable easily with wrenches and screwdrivers on the side of the road..
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Old 06-09-2009, 11:59 PM
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Originally Posted by Flawxy
i agree that i now have very limited space for air filter replacement.
Is okkk, we all fiendsss
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Old 06-10-2009, 12:16 AM
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Originally Posted by Full_Tilt_Boogie
Hey Ive never seen routing like that before, thats pretty slick

Im considering doing something kind of similar, except on an NB, so I think I can route mine down, like this:



but i suppose you cant do that due to the headlights, haha

but anyway keep up the good work and keep us posted!
Huh, never saw that before, but the cold side is how I did mine.

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Old 06-10-2009, 01:48 AM
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I too did an unconventional routing...

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Old 06-10-2009, 02:13 AM
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Looks like a standard over the radiator routing to me, unless I'm missing something.
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Old 06-10-2009, 07:25 AM
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I don't understand over the radiator. sure it's easy to route but you're picking up all that heat pre/post intercooler. Anyone read intake temps w/ an over the radiator setup? I wonder if the IC is event able to lower the temp of the charge air.
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Old 06-10-2009, 08:55 AM
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What are you talking about? Do you really think the air moving through the charge pipes sticks around long enough to absorb heat post ic? IF anything its a better method if you have a IC with the correct up facing endtanks. More direct routing, less bends = faster response, better flow.
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Old 06-10-2009, 09:55 AM
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If the charge pipes are absorbing some of the heat the radiator is... radiating.... you're expecting the air passing through the hot pipes to not get compromised? That's bold.

Take a map torch to an aluminum pipe, get it to 200*F, blow air at turbo-psi (10psi, whatever) through the pipe and tell me the air coming out the other end isn't warmer than the air going in.

Not to be rude but this is like 3rd grade 101.

On the "less bends = faster response" statement:

I'm betting you could route the charge pipes out the fender, down the side of the car, wrapping around the tail lights, back up the passenger side, and into the intake, effectively using 18 feet of chargepipe, and you wouldn't notice a hint of hesitation.
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Old 06-10-2009, 10:34 AM
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like neo, i doubt it matter how hot the pipe really. the air is moving so fast within the pipe it will be hard for it to absorb much/any heat from the surface of the pipe. some, but not much.

likewise, unsure about the bends, I'm sure its fast enough that bends/length doesn't matter, but it certain would be more "ideal" to be as straight and short as possible.
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Old 06-10-2009, 12:10 PM
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I don't really disagree, it's just that aluminum radiates heat very easily, so although the charge air passing over the hot section may not be altered much, there is heat inside the tube regardless, and cool air will absorb that heat.

I think it looks cool, no doubt about that.
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Old 06-10-2009, 12:26 PM
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Originally Posted by Project84
If the charge pipes are absorbing some of the heat the radiator is... radiating.... you're expecting the air passing through the hot pipes to not get compromised? That's bold.

Take a map torch to an aluminum pipe, get it to 200*F, blow air at turbo-psi (10psi, whatever) through the pipe and tell me the air coming out the other end isn't warmer than the air going in.

Not to be rude but this is like 3rd grade 101.

On the "less bends = faster response" statement:
Not to be rude, but if you've taken a transport phenomena class (or any sort of fluid flow, really) You'd know that convective heat transfer is going to be essentially negligible at that flowrate. If you're that worried about it, coat the pipe in some nonconductive material.
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Old 06-10-2009, 05:11 PM
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I'm not worried about it at all, because I wouldn't route my IC plumbing that way.
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Old 06-10-2009, 05:40 PM
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it looks real nice
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Old 06-10-2009, 08:02 PM
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Originally Posted by coastertrav
I too did an unconventional routing...

I still say again for a bunch of "kids" (no offense..) in a garage with a wire feed welder and some misc hand tools.. MAD Props!!
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Old 06-10-2009, 08:07 PM
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Originally Posted by Project84
I don't understand over the radiator. sure it's easy to route but you're picking up all that heat pre/post intercooler.
Simply line the pipes with weasel fur. Problem solved.
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Old 06-10-2009, 08:23 PM
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Originally Posted by Joe Perez
Simply line the pipes with weasel fur. Problem solved.
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Old 06-10-2009, 08:25 PM
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See... why couldn't I have just gotten that response instead of the debate I hate to withstand.

Awwww... he cute!
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Old 06-10-2009, 08:42 PM
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IDK but in my opinion doing the intercooler like you is ******* stupid!
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Old 06-10-2009, 08:50 PM
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