abugarcias Posted April 25, 2011 Share Posted April 25, 2011 My engine has been running rough and I've had some loss of power when I accelerate. I tested the pressure on all cylinders and here are the results: 1 - 60 2 - 90 3 - 75 4 - 85 5 - 80 6 - 90 What could this indicate? Timing chain? Link to comment Share on other sites More sharing options...
jimoshel Posted April 25, 2011 Share Posted April 25, 2011 Worn rings, cylinders. It's ready for a rebuild. Link to comment Share on other sites More sharing options...
dfreeman616 Posted April 26, 2011 Share Posted April 26, 2011 or possibly timing... shoot a little oil down in each cylinder and repeat the compression test. if the numbers come up, piston rings = rebuild time, so how much do you want to upgrade :brows: Link to comment Share on other sites More sharing options...
Timmaay Posted April 26, 2011 Share Posted April 26, 2011 Or the gauge could be reading low...But you still have a good bit of variance between cylinders anyhow. Link to comment Share on other sites More sharing options...
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