[Supras] Question on Intercooler Kits

Fri Nov 2 11:25:20 CST 2007

If it's steel, coat it to prevent rust.

On Fri, Nov 02, 2007 at 12:10:59PM -0400, Walker, Brian (Rich. Dist) wrote:
> Brandon, this is my opinion. Others should chime in if they see
> otherwise. I would not coat the lower pipe, this pipe will see the most
> heat and in the case of an IC system you want to remove heat, not retain
> it like the exhaust. This being the case (and the gains may be minor) I
> think you'd be better off leaving the lower pipe uncoated from a heat
> transfer standpoint as it would allow it to remove more heat than if it
> were ceramic coated. Shiny, bright surfaces (polished look) will
> transfer less heat than a dull black surface. The surface color however
> will have little effect compared to material property and any coating
> applied. I have a black coated lower pipe and silver (powder coat) upper
> pipes, didn't have $$ for ceramic at the time.
>  
> Some say that the upper pipes shouldn't be coated because they too
> receive air flowing under the hood. I think at a minimum if you're going
> to have pieces coated the '3000' pipe and anywhere over the turbo should
> be considered as these sit directly above heat sources. The others are
> to be debated, is it better to reduce heatsoak when sitting still or
> take advantage of underhood air that's already come through the IC and
> radiator? I've seen many WRX guys complain about how hot the intercooler
> gets sitting directly above the engine when they're not moving.
>  
> As for the BOV, I'm not sure. Mine is located near the turbo. I've never
> noticed heat problems with it but am unable to run the stock BOV along
> with it because of it's location (this could be a concern for you, even
> with the HKS SSQV the engine stumbles when coming to idle at times)
>  
> Brian W
> 
> ________________________________
> 
> From: b2nice84 at aol.com [mailto:b2nice84 at aol.com] 
> Sent: Friday, November 02, 2007 11:55 AM
> To: Walker, Brian (Rich. Dist)
> Cc: Supras at supras.com
> Subject: Re: [Supras] Question on Intercooler Kits
> 
> 
> Brian,
> 
> I think I am going to get the Cooleeze Piping from suprasport.com, but
> have a few qestions.  I have the option of getting the upper pipes
> ceramic coated and the bottom just powder coated.
> 
> I know it is a debate but do you find it necessary to ceramic coat the
> bottom?  Does the air under the car really cool it that much? It coats
> an an additional $90 to ceramic the bottom with the top for a total of
> $180 to ceramic both.
> 
> As for the BOV.  They give an option to mount it at the stock location
> or the AFM location.  Do you find near stock better even know it is hot
> over the turbo or do you find the Cooler location at the AFM is better.
> I know having the BOV is better closer to the throtle body so is at the
> AFM too far?
> 
> Again thanks for your input.  
> 
> Brandon
> 
> 
> 
> -----Original Message-----
> From: Walker, Brian (Rich. Dist) <Brian.Walker2 at VDOT.Virginia.gov>
> To: b2nice84 at aol.com
> Cc: Supras at supras.com
> Sent: Thu, 1 Nov 2007 6:07 am
> Subject: RE: [Supras] Question on Intercooler Kits
> 
> 
> Brandon, I'm using the AMS setup. I bought the pipes used and later got
> the intercooler to go with them (although they were offered in different
> variations, 2.25"? or 2.5" inlets to match stock or to match the
> upgraded pipes. I'd imagine the Ebay pipes are a project for that price.
> 
>  
> The coating would be nice but you'll get debates from all sides on that
> (I believe you'd want uncoated under the car, from turbo to IC, to take
> advantage of cooler undercar air and then coated anywhere in the engine
> bay) 
> Brian
> 
> ________________________________
> 
> From: b2nice84 at aol.com [mailto:b2nice84 at aol.com
> <mailto:b2nice84 at aol.com?> ] 
> Sent: Wednesday, October 31, 2007 4:51 PM
> To: Walker, Brian (Rich. Dist); nholden1 at woh.rr.com;
> speedtoys.racing at gmail.com
> Cc: Supras at supras.com
> Subject: Re: [Supras] Question on Intercooler Kits
> 
> 
> Brian,
>  
> Thanks for your input and when I do get the pipes I will turn down my
> boost controler just in case.  My intercooler is curently dented and I
> could use a new one but buying the pipes first has corssed my mind.
> Have you herd anything good about cooleeze pipes from suprasport.com
> ($500-800 depending on the coating)?  Or did you just buy some pipes off
> E-bay?  
> 
> Thanks,
> Brandon
> 
> 
> -----Original Message-----
> From: Walker, Brian (Rich. Dist) <Brian.Walker2 at VDOT.Virginia.gov>
> To: nholden1 at woh.rr.com; speedtoys.racing at gmail.com
> Cc: Supras at supras.com; b2nice84 at aol.com
> Sent: Wed, 31 Oct 2007 9:10 am
> Subject: Re: [Supras] Question on Intercooler Kits
> 
> 
> Maybe that name was before my time but I remember dual stock ICs with
> PVC piping. 
> To the original poster, not all of the kits are a direct swap. Some of
> the larger cores might require moving some things around like the
> coolant reservoir, etc. The stock IC is a good unit and some testing was
> done years ago to prove it can flow and cool pretty well. The big
> advantage for the IC is pressure drop, in which case the same boost at
> the manifold will come on quicker and with less work from the turbo. 
> Stock piping uses a lot of rubber so it will flex when pressurized, hard
> pipes will deliver the target pressure quicker (assuming same dia.) and
> more efficiently.
> Keep in mind, if you're seeing 14 now with the stock pipes/IC, the turbo
> may be producing 19psi or so. Once the systems are freed up (I freed 4-5
> psi when replaced) you might see 14 psi with 16 produced at the turbo.
> I'd suggest starting with piping if you don't want to go all out. That
> made the bigger difference in my case.
> Brian W 
> Date: Wed, 31 Oct 2007 10:49:15 -0400 
> From: "t72pwrd" <nholden1 at woh.rr.com> 
> Subject: Re: [Supras] Question on Intercooler Kits 
> To: "Jeff Mohler" <speedtoys.racing at gmail.com>, <b2nice84 at aol.com> 
> Cc: Supras at supras.com 
> Message-ID: <101b01c81bcd$35c02690$0201a8c0 at ValuedVPRMatrix> 
> Content-Type: text/plain; format=flowed; charset="iso-8859-1"; 
>         reply-type=original 
> I bought one back in the day from Joe Edwards.  Who remembers that name
> now? 
> 
> 
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