Stock Boost For 86 9000 T [Archive] - SaabCentral Forums

: Stock Boost For 86 9000 T

5th October 2003, 11:40 PM
plain and simple.. what is the stock boost of an 86 9000

7th October 2003, 01:17 PM
stock should be like 5 or 6 psi. well into yellow, but not to red at all. In red just a lil is like 10/12psi.

7th October 2003, 10:53 PM
I would say if everything is on order (no vac, leaks, etc) more like 8, with a bit of taper probably. probably 7 average

8th October 2003, 05:24 PM
Don't know about the '86, but it should be the same as my '87: 5-6 psi base boost, 11.5 psi peak boost when APC works.