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post #1 of (permalink) Old 05-15-2002, 11:51 AM Thread Starter
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ring end gap

im rebuilding a 350, and don't want to bore it out, but i have an end gap of .045" on the rings that were taken out of the block and after i honed it. is this to much? i read that .040" was to much, when i put new rings in it, would it be a little less, or could i go with 1 size bigger rings with the standard bore??? thanks all
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post #2 of (permalink) Old 05-15-2002, 01:20 PM
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Re: ring end gap

Why dont you wana bore it? You need to atleast hone it if your installing new rings. You should take it to a machine shop so they can use a bore guage and figure out what your piston to wall clearance is and if it is acceptable.

Edit: are you at 45 with unfiled file fit rings?

Re-edit....just read that those were on the rings taken out.....what are the new rings?(you arnt planning on reusing rings are you?)
post #3 of (permalink) Old 05-15-2002, 01:22 PM
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Re: ring end gap

Yeah, you need it checked for at least any taper or out of round. And your new rings won't seat if you don't at least break the glaze. If it's not out of round or tapered you can just get a hone job done, doesn't take long and gives the new rings something to seat against.

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post #4 of (permalink) Old 05-16-2002, 06:20 AM Thread Starter
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Re: ring end gap

i just honed it out last night, took the lip off the top of the cylinder, and got it nice and shiny. i don't want to bore it cause i don't really have the cash for that, so ill just put new rings in it (haven't bought them yet). ill ask the guys at the machine shop when i pick up a crank.
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