is t4 turbo too big for rb20det?

Discuss the RB20, RB25 and RB26 series engines.
dohctor_yaj
Posts: 56
Joined: Tue Dec 17, 2002 8:28 am
Car: cars!

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say the HP goal was 350-400whp, is this turbo gonna cause too much lag?


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rbsileighty
Posts: 1694
Joined: Sun Feb 09, 2003 8:10 am
Car: 92 S13 Hatch w/ RB20 & 05 Audi S4 Avant 6MT

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dohctor_yaj wrote:say the HP goal was 350-400whp, is this turbo gonna cause too much lag?


That's what i'm shooting for and I'm going with the HKS GT2835ProS (internal wastegate... spools faster... so HKS says). I called HKS and this is what they told me would fit what I want.

dohctor_yaj
Posts: 56
Joined: Tue Dec 17, 2002 8:28 am
Car: cars!

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i've heard much that a T4 would be great for a rb25det and that thought just tickled my mind about putting it in my rb20det...

my MAIN problem is i'm looking for a bigger turbo that will BOLT on to a stock rb20det stock turbo manifold...i dont got an extra $500 or so for a stain less steel custum one...

thats why i'm asking weather anyone know for SURE if the stock rb20det manifold has a T3 flange so i can bolt on a T3/T4...

so if i went home and took out my stock turbo, how will i KNOW that my turbo is which? if i measured the demetions, can you guys figure which turbo i have?


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