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Old 02-12-2003, 03:51 PM
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Post chevy 305 cylinder relined

Help Guys!
i am a 38 yr. in the trade toolmaker/machinist....but am just now getting into engines. i am building a 305 trike. Problem is this----i resleeved one cylinder myself when it did not cleanup at .030 over.( i did not want to go .060 over. ok....i take it back home from the first shop with .003 left in the cylinder to hone. i take it to my shop, set it up and bore for the new sleeve. I stopped the bore cut about 5/8 IN FROM THE BOTTOM OF CYLINDER, and installed the sleeve. BIG MISTAKE I should have bored the full cylinder length! when the second shop rebored and honed the cylinder, i have about a .003-.004 step (ridge) where it did not match up exactly with the first shops cut. to sum it up...about 1/3 of my cylinder (circumference ) x 5/8 inch high (bottom of piston bore) ,does not match the other 90% of the bore. this area is on the lower skirt only, and on one side (one skirt only). do you think it's going to run? i am not close to the rings with this little step.
Any opinions greatly appreciated.
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Old 02-12-2003, 04:56 PM
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If you don't have any money into the block than I think I would just scrape it and save the wonderment. However, if you have time and don't mind the problem existing than I shouild think it shall run as long as the piston doesn't hit the ridge. I don't think I would trust the work in a performance application but agian I should think that it would run okay for a while in a low performance application.
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Old 02-12-2003, 06:51 PM
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only alternative is to bore it .040, that is if you haven't purchased the pistons yet.
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Old 02-13-2003, 03:37 PM
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thanks for the replys. I had already bought .030 pistons.....thats why i did not go .040.
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Old 02-13-2003, 05:56 PM
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Just my opinion, but 305's are so dirt cheap and easy to find, why not just get another block and bore that one out? May save the aggravation.
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