Stage 2 250bhp safe as houses.
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I'm not sure that's true, Vocky (and others) have rebuild dozens of Z22SE (NA/SC) VX220 engines, whereas I see a lot less Z20LET (the TC'ed engine) being rebuilt.
Also, a few SC'ed Z22SE engines have become heavy oil burners. Their rings are not spec'ed for boost and are thin to reduce frictional loses.
I'm not anti SC'ed car by any means, in fact I think they're great, however the Z20LET is a more robust factory engine in my observation over the last 10 years.
I agree though that a lot of tuned TC'ed cars have very poor power delivery, but that can easily be remedied by getting the correct remap or a stand alone ECU.
Edited by Nev, 16 May 2018 - 12:30 PM.