2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.
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Old 04-07-04, 11:40 AM
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Question Boost Presure

I have a 87 TurboII. It has been street ported, bigger injectors (720), 3" down pipe with the racing beat exhaust, intake. no power steering and no ac. with electrioc fan. i am running 8 PSI. what would be a safe pressure i can run with my car??10 or 12
Old 04-07-04, 11:42 AM
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get a bigger fuel pump

and do you have a s-afc or some thing else to control the bigger injectors?
Old 04-07-04, 11:44 AM
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and then you can safly go up to 12 psi
Old 04-07-04, 11:46 AM
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10 will definately be OK....

If you slap an SAFC and tune the car, i see no problem running 12 but you should prpbably put a better FP in it

at 8 PSI, you car is probably running rich righ now with the 720's anyway....

If you removed the AC heat exchanger, you stock rad should hold up to the HP as well. Make sure your coolant is up to snuff, and its been flushed and all that crap.

Last edited by YearsOfDecay; 04-07-04 at 11:58 AM.
Old 04-07-04, 08:47 PM
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boost presure

I am looking at getting a ACF II.

What type of fuel pump should i get i am thinkin about the cosmo pump?
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