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The Terminator
Terminator Talk
I need advice
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<blockquote data-quote="NateDogg" data-source="post: 16418205" data-attributes="member: 148312"><p>a leak down would be preferred.. likely more expensive.</p><p></p><p>It will measure the compressed air leaking air out of each cylinder. With this test you can also tell where it is leaking from. ie, past the rings, valves, gaskets..</p><p></p><p>Compression test can hide symptoms and can possibly test good when there is an underlying problem.. For example, when I had broken ring lands in cylinder 7/8 the compression still showed within 10psi of the other cylinders. After doing a leakdown I could hear the compressed air in the pvc system indicating I had excessive blowby. Compression check didn't catch that, the leak down did.</p><p></p><p>My most recent purchase I just did the compression check its better than nothing! At least gives you an idea of how the motor is doing</p></blockquote><p></p>
[QUOTE="NateDogg, post: 16418205, member: 148312"] a leak down would be preferred.. likely more expensive. It will measure the compressed air leaking air out of each cylinder. With this test you can also tell where it is leaking from. ie, past the rings, valves, gaskets.. Compression test can hide symptoms and can possibly test good when there is an underlying problem.. For example, when I had broken ring lands in cylinder 7/8 the compression still showed within 10psi of the other cylinders. After doing a leakdown I could hear the compressed air in the pvc system indicating I had excessive blowby. Compression check didn't catch that, the leak down did. My most recent purchase I just did the compression check its better than nothing! At least gives you an idea of how the motor is doing [/QUOTE]
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