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Hey guys and gals

just wanted to know if i can change the rear housing to get better response and if so where would be the best place i could get one as i live in Syd. i have a single T78 Greddy turbo unknown specs and boost doesnt kick in till about 4500 to 4800 rpm

on hi boost i running 18psi making 370kw at all 4 wheels

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what would be a good size rear for the t78 front that wont hurt top end power and a retune ill want to get anyways

with the computer tune anyone know a good place in syd who is not going to charge an arm an leg

Edited by cul8er

if its a genuine greddy t78 its a good chance its the 17cm2 rear. If it is, you should be throwing boost at it like its going out of fasion. These turbos will make close to 500kw with the right mods. There is a 15cm2 housing but its rare. You may find one and i do remember one for sale on here some time ago. Id search it

I dont have a pic of mine anymore...but if you pull the turbo off, look inside the exhaust housing at the inlet flange and you will see a stamp that says 17CM2 or 19CM2 etc

its the only thing stamped on the inside

ok ill take it to my mechanic this week and he will inspect it for me thanks guys what rear housing would be the best for the job i want

i want to keep the same power and i want boost to start kicking about 3500rpm not 4800

Edited by cul8er

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