how much boost will m90 make

daivd z

Registered User
i was just woundering if i got a jackshaft pulley to go with my 5% and i got the other underdrive pulleys and a raised top, TB and ported blower how much boost do you think my 95 will make?
 
15 is stock on a 94-95. I had a 10% on mine and burried the boost gage. I estimate about 17-18 but I had to remove it because the knok sensor was pulling to much timming out so she would sputter at 4k. This with a fully opend up exhaust.
 
i buried mine at 10 tonight...after about 5000 rpm....yeah....i think i have a leak...but once my 10% goes on my tbird, hitttin 15+...

stephen
 
More boost doesn't always mean more power. Too much will make the car slower at higher rpms. Your best to keep it under 15 pounds with a stock cam/heads. Anything more just generates more heat and requires more HP to spin the blower.

More boost will increase bottom end torque, making the car feel quicker from stoplight to stoplight, but the HP will suffer equally on the top end and really slow it down past 4000 rpms.

David
 
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