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Discussion Starter #1
hello forum of the B15..
quick and reasonable question for those with the know-how and expertise in boosting..
i have a qr25de sleeved block, cp pistons at 10.5:1 compression ration, K1 h rods, main and head studs from ARP, the crankshaft is fully counterweighted, balanced the rotating assembly, deleted the rotating weight with the JW kit, also clutch and flywheel from JW (lightweight and performance clutch)..
with this said..
is there an estimation as to how much boost i can apply? 10psi? 8.5? on 93 octane fuel (daily driver)
perhaps i was delusional, at 20psi (i know! everybody says i should use 8.5:1 compression for 20 or higher psi!!)
what are my whp expectations with this set-up..?
assume fueled system and computer to be upgraded too.

PS, also i got C1 cams and springs from JW and 3 angle job on the heads..

thank you.
 

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I haven't been on for years, but back in the days Travis had a boosted Spec V that was bad ***. Of courses that is old news and long time ago. Try to search for Travis and see if you can find the information you need.
 
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