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so i've just installed an R34 rb25 turbo in my r32gts-t

it's not full boosting until around 4200~rpm

i know it's slightly bigger than the r33 version but shit it's pretty laggy

does this sound right?

Edited by mystery_kid
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https://www.sau.com.au/forums/topic/318420-rb20det-with-r34-rb25det-turbo/
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2nd/3rd

it seems fairly similar for both

as i said 4300 might have been an exageration it's hard to tell exactly cause when it does come on boost you need your eyes on the road cause it goes pretty good once it's there lol

but it's deinfiely not until 4000~ minimum

as i once read on here . no turbo apart form a stock one is going to do anything on a 20det below 4000

my flat mate has a s13 with rb20det in it . r34 turbo good exhaust shit front mount good fuel pump . it made 190+ kw at the hubs on 11.5 psi . upon looking at the graph its not at full boost untill 4300. its not too bad when combined with the lighter weight of the s13 . car has run an 13.2 on shit tires and low hard adjusties

scrap the safc. get a nistune. similar money but will give you much better results as you can actually adjust the timing which will actually help you get the boost to come on earlier. all using a safc will do is lean it out a bit and slightly bump up the timing (which is more of a side effect than an actual adjustment).

there will be a few places in brissy that will do it, or if you were to drive up to gympie my mate runs a workshop with a dyno and can do it.

dr drift is a hassle as he's not from qld and i'm not really even sure of anyone else that does it here

with the mods i have an safc will do the job fine imo

Give EFI performance in Yatala call they do good work with nistunes and pretty cheap too

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