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Old 10-17-2008, 11:56 AM
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350 bored 15 over

i am looking into buyin a sbc from a guy for pretty cheap...he says it is a 350 that was punched 15 over (i'm guessing 0.015...i can't do math today) i know that the standard bore on a 350 is 4.00in. what size bore would the 0.015 overbore give me?

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Old 10-17-2008, 12:07 PM
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Uh... 4.015"
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Old 10-17-2008, 02:06 PM
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I've never seen an off-the-shelf piston at .015" over.

I'd be leery of buying that engine without having someone knowledgable look it over.

tom
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Old 10-17-2008, 03:16 PM
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Quote:
Originally Posted by machine shop tom
I've never seen an off-the-shelf piston at .015" over.

I'd be leery of buying that engine without having someone knowledgable look it over.

tom
Amen! TRUST NOBODY.
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Old 10-17-2008, 04:12 PM
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Engine

I'm showing my age, back in the 1960, there were pistons for some 427 Fords that were 015, 020 and some other odd sizes, but in that time frame you had 283's 327's and in 1967 the 350. It does seem odd for that size and cubic inch. Now everything is .030 .040 .060
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Old 10-18-2008, 10:04 AM
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Quote:
Originally Posted by paulerow
I'm showing my age, back in the 1960, there were pistons for some 427 Fords that were 015, 020 and some other odd sizes, but in that time frame you had 283's 327's and in 1967 the 350. It does seem odd for that size and cubic inch. Now everything is .030 .040 .060
Yup, I'll bet you knew Moses!




There were a lot of oddball sized the factory and dealereships used to correct "problems".

I recently worked on a 455 Olds that had one .010" piston in it from the factory. Caused some head scratching...........

I think some checking on the OPs 350 may reveal something not told to him.

tom
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