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max boost for the stage IV WRX

1K views 3 replies 3 participants last post by  bleubaru 
#1 · (Edited)
I've got a big turbo for the stage IV 2.0L -- the 18g -- and could easily reach boost pressures that would blow the stock clutch and transmission and maybe the stock internals as well.

Using conservative gear-shifting practices, what's the max boost possible without blowing something up?

EDIT: on 92 octane
 
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