What is my stock boost psi

Feb 19, 2004 2 Replies

I've got a '97 900SE Turbo, and want to know what the boost presure is in stock config. Also what kind of compresion ratio am I running.



Thanks in Advance, Andy


Don't know about the NG 900, in the classic 900T8 the base pressure is 0,70

+/- 0,04 bar, with APC it's 0,30 +/-0,03 bar. Compression ratio is 1:8,5 (with intercooler)

The B202/16 has a compression ratio of 1:9,0

------- MH '72 97 '77 96 '78 95 79 96 '87 900T8

stock is about 14psi, AFAIR. It might be 11 though, with 14 for people who've tweaked. I forget, it's been a while since i looked. (Helpful, eh?) Guys who push hard will go 20+ and pull 300hp. I don't recall the compression ratio but it in the manual AFAIR.

Are you interested in tweaking - or just curious ?

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