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S

SJCPILOT

Supporting Member
Joined
Jun 27, 2016
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I need a word of wisdom.
My left Manifold pressure runs 3 inch higher than right when idle. Also the needle keeps moving up and down unlike the right side.
Guage and pressure lines checked good.
All cylinders compressions in high 70s.
Mechanic unable to find any problems.

Any ideas what is going on and how to fix the problem.
 

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