No Compression

67/6barracuda said

Moparkid that's what I'll do before pulling the head pull out the compressor and attemp to see if I have leaks. It trips me out that 5 out 6 cylinders are completely out. What amount of pressure should I apply with air I was thinking about 100-140 psi?

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no need to put in air... you know they are no sealing, just need to figure out why. check the valves are i stated and if they check out then you'll use 100psi on a leakdown tester. the gauge is like a %. so with 100psi in it what ever your leakdown is with be a % of 100 so it makes it easy.