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-   -   2" or 2.5" between turbo and intercooler? (http://forums.pelicanparts.com/911-930-turbo-super-charging-forum/1044764-2-2-5-between-turbo-intercooler.html)

VW 612 RS 11-10-2019 04:55 AM
2" or 2.5" between turbo and intercooler?
 
http://forums.pelicanparts.com/uploa...1573394035.png

jonesb930 11-10-2019 06:07 AM
One observation that I have made is that Porsche transitioned their pipe from small to larger right at the turbo. They then carries the larger size up to the intercooler (or intake in the case of the 3.0 turbo's).

GJF 11-10-2019 06:10 AM
A 2" to 2 1/2 transition is typically used. I try to have the transition as close to the turbo/turbos as possible.

https://www.jegs.com/i/Vibrant+Performance/231/12064/10002/-1?gclid=CjwKCAiAh5_uBRA5EiwASW3Iap6ovnb8WkqeUWlymV 2R2Yz6q2DX50G4AaDlk2l0G3z8Bw_FGJsT7xoChvIQAvD_BwE

GJF 11-10-2019 06:11 AM
Mr Jones! You've been away for a long time!

VW 612 RS 11-10-2019 06:36 AM
Quote:
Originally Posted by jonesb930 (Post 10652403)
One observation that I have made is that Porsche transitioned their pipe from small to larger right at the turbo. They then carries the larger size up to the intercooler (or intake in the case of the 3.0 turbo's).
Thanks :)

VW 612 RS 11-10-2019 06:37 AM
Quote:
Originally Posted by GJF (Post 10652407)
A 2" to 2 1/2 transition is typically used. I try to have the transition as close to the turbo/turbos as possible.

https://www.jegs.com/i/Vibrant+Performance/231/12064/10002/-1?gclid=CjwKCAiAh5_uBRA5EiwASW3Iap6ovnb8WkqeUWlymV 2R2Yz6q2DX50G4AaDlk2l0G3z8Bw_FGJsT7xoChvIQAvD_BwE
Thanks :)

jonesb930 11-11-2019 03:25 PM
Quote:
Originally Posted by GJF (Post 10652410)
Mr Jones! You've been away for a long time!
It's been a while, I sent you a PM.

scottrx7tt 11-11-2019 04:23 PM
I have a 2” intercooler inlet on my new intercooler and had 2.5”on my old one. I didn’t see any difference whatsoever going back to 2”


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