compression 110,122,122


well, one cylinder isnt up to par with the rest, its not bad,bad but close to the percentage I might take a look to see if it has a minor scuff on it pinching the ring some but would try this first. Set that cylinder up at TDC, and squirt some ATF trans fluid in there thru the spark plug hole(just a few squirts with a oilcan is all thats needed, its high detergent and will sneak in behind the rings and possibly free them up), let it sit for a whole day and overnight if possible, take the sled out and run it, then run it hard for a couple times, the longer the stretch the better, recheck the compression warm, it might free up the rings if they are carboned up.
 
mrviper700 said:
well, one cylinder isnt up to par with the rest, its not bad,bad but close to the percentage I might take a look to see if it has a minor scuff on it pinching the ring some but would try this first. Set that cylinder up at TDC, and squirt some ATF trans fluid in there thru the spark plug hole(just a few squirts with a oilcan is all thats needed, its high detergent and will sneak in behind the rings and possibly free them up), let it sit for a whole day and overnight if possible, take the sled out and run it, then run it hard for a couple times, the longer the stretch the better, recheck the compression warm, it might free up the rings if they are carboned up.
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Great advice! Do what he said.
 
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