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Compression disparity

Posted: Wed Oct 03, 2018 10:58 am
by russazbuggy
Hi All,

I have a newly built stock 1600dp in my 66 dune buggy. It runs 120psi across all four cylinders. The motor I pulled out ran 175 across 1-3 with a dead #4. What would cause this disparity? I do not know the history of the motor I pulled out.

Any information is appreciated, thanks.

Re: Compression disparity

Posted: Thu Oct 04, 2018 10:20 pm
by V8Nate
Are you wondering why you have a dead number 4 or 120 on all 4 cyl vs 170 on the other motor

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