prossett Posted October 2, 2008 Report Posted October 2, 2008 In your experience, is it OK to change only one cylinder sleeve and new piston (stock) while keeping the other old cylinder + piston? The mechanic is telling me I must change both. I agree that in an ideal world I would have both spanking new everything; but if the old piston and cylinder are within spec can I keep them? Will the crankshaft suffer from one new and one old? Quote
dirtfreak Posted October 2, 2008 Report Posted October 2, 2008 In your experience, is it OK to change only one cylinder sleeve and new piston (stock) while keeping the other old cylinder + piston? The mechanic is telling me I must change both. I agree that in an ideal world I would have both spanking new everything; but if the old piston and cylinder are within spec can I keep them? Will the crankshaft suffer from one new and one old? yes if it is within specs it would probably be fine. i would want to do both myself. what happened to your other cylinder/sleeve for it needing to be replaced.the mechanic is wanting to do both to do a complete job and so every thing is new on both sides so he knows that the top end will be healty.also so he dont have his customers coming back to say he does shitty work.he's just covering his ass and trying to uphold his reputation for future work.in other words most mechanics out there if there any good wont do a half ass job. Quote
prossett Posted October 2, 2008 Author Report Posted October 2, 2008 (edited) Tx dirtfreak - crankshaft bearing seized. Edited October 2, 2008 by prossett Quote
gumby6t9 Posted October 2, 2008 Report Posted October 2, 2008 If I was tearing my motor down I would be replacing both pistons. Just my 0.02 Quote
LS1Inferno Posted October 2, 2008 Report Posted October 2, 2008 thatll hone out lol Just find a set of used matching jugs itll be cheaper then re sleeving even just one cylinder. and then you can have a matching top end. Quote
Tim Potteiger Posted October 3, 2008 Report Posted October 3, 2008 I would strongly recommend replacing both without question. Since you smoked the crank, the repair is going to be costly as is, no since skimping to save a few hundred bucks and leaving a job half finished. I always replace everything on both sides, pistons, needles bearings, water jacket plugs, and every other moving part. Quote
bansheejoel Posted October 3, 2008 Report Posted October 3, 2008 (edited) damn bro that is some sick air in your pic :beer: Edited October 3, 2008 by bansheejoel Quote
Snopczynski Posted October 3, 2008 Report Posted October 3, 2008 If one cylinder has to be bored, then both cylinders have to be bored. Quote
jjn56 Posted October 3, 2008 Report Posted October 3, 2008 I bought a Banshee from a guy that needed a top end and when I tore into it he had an oversize piston in the left side and stock in the right. No wonder it needed rebuilt again. So you probably want to make sure that if you replace one side that they are the same brand of piston so they weigh the same IMO. Quote
prossett Posted October 3, 2008 Author Report Posted October 3, 2008 OK guys - appreciate your advice and experience, and I'll cough up the extra piston cash thanks. I shouldn't have asked... and I'd have saved some $$$! LOL Quote
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