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General Minitrail Talk
Tech Area
1975 CT 70 compression issue
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<blockquote data-quote="b52bombardier1" data-source="post: 92807" data-attributes="member: 5931"><p>Check to see that the valves are set to .002 inches cold. This will most likely eliminate valves not fully closing as an immediate concern. What are you getting for compression numbers? A hundred PSI would be a bare minimum with 170 PSI as the spec for a brand new engine although I'm happy at 150 PSI after a rebuild.</p><p></p><p> Try squirting some engine oil into the cylinder to see if your compression goes up.</p><p></p><p>Rick</p></blockquote><p></p>
[QUOTE="b52bombardier1, post: 92807, member: 5931"] Check to see that the valves are set to .002 inches cold. This will most likely eliminate valves not fully closing as an immediate concern. What are you getting for compression numbers? A hundred PSI would be a bare minimum with 170 PSI as the spec for a brand new engine although I'm happy at 150 PSI after a rebuild. Try squirting some engine oil into the cylinder to see if your compression goes up. Rick [/QUOTE]
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General Minitrail Talk
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1975 CT 70 compression issue
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