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Cylinder PSI

   
Old 01-14-2019, 04:55 PM
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Car: 1987 Firebird
Engine: 2.8L V6
Transmission: 700r4
Cylinder PSI
Hey guys I’m fairly sure my engine is garbage and wanna test the compression what is a good compression PSI for a 2.8?
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Old 01-14-2019, 05:25 PM
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Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: Cylinder PSI
Similar to most other NA engines - anything between 150 and 190 is typically in good to excellent condition. My '86 LB9 turns in 190 in every cylinder.

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