98_shee Posted August 11, 2013 Report Share Posted August 11, 2013 I was tearing the motor down to send the tranny to camatv and found this. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
noonansar Posted August 11, 2013 Report Share Posted August 11, 2013 Air leak? Crank seal? Quote Link to comment Share on other sites More sharing options...
J-Madd Posted August 11, 2013 Report Share Posted August 11, 2013 What does the top look like? Which side? Quote Link to comment Share on other sites More sharing options...
98_shee Posted August 11, 2013 Author Report Share Posted August 11, 2013 What does the top look like? Which side? Top looks fine, left side. Sent from my iPhone using Tapatalk Quote Link to comment Share on other sites More sharing options...
noonansar Posted August 11, 2013 Report Share Posted August 11, 2013 I would guess crank seal Quote Link to comment Share on other sites More sharing options...
Surfrjag Posted August 11, 2013 Report Share Posted August 11, 2013 If the cylinder isnt gouged you can take some muratic acid and a qtip to dissolve the aluminum off the cylinder wall. Then hone and measure to see if its within spec to get the same size piston. Sometimes you get lucky. Quote Link to comment Share on other sites More sharing options...
noonansar Posted August 11, 2013 Report Share Posted August 11, 2013 ^^^X2. I have gotten lucky on a couple sleds and been able to do this. Like Surfjag said, just check your piston to cylinder clearance. Quote Link to comment Share on other sites More sharing options...
Starwriter Posted August 12, 2013 Report Share Posted August 12, 2013 Just don't breathe the fumes from the muratic acid. Nasty, nasty stuff. Eats aluminum right up but doesn't affect cast iron. Quote Link to comment Share on other sites More sharing options...
Young Guns Racing Posted August 12, 2013 Report Share Posted August 12, 2013 If you heat it with a propane torche before applying the acid I have found this to help getting off the tough stuff. The acid trick works good in some cases! X2 on watching the fumes too, it is some really bad stuff u dont want it in ur lungs Quote Link to comment Share on other sites More sharing options...
camatv Posted August 14, 2013 Report Share Posted August 14, 2013 i sent ya a reply.. pull the flywheel off and see if there is rubber bits in that seal area. or if there is a lot of oil residue. Quote Link to comment Share on other sites More sharing options...
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