Compression #'s

[Squamishcoyote]

Just curious as to what avg #'s are for a compression test

 

[ViciousJay]

everyone will have a different readings but they should be with in 10 of each other. I think when i did mine it was around 170ish?

 

[Modular Racing]

Compression test with a quality tester on a factory compression engine when the engine is cold is just over 200psi

Best of luck, please let us know how we can help!

Modular Mustang Racing

 

[ryan.garcia2733]

My compression tool kinda sucks but mine gave me 140-150 on a cylinders. Car runs like a beast.

 

[Squamishcoyote]

I was in the 170's aswell, I was just curious as I heard from someone else that they got 205-220

 

[Blazer707@TBR]

Really depends on the altitude your at. Ford has a chart for minimum and maximum differences.

-Thomas

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