bolt sizes
12-01-2010, 03:55 PM
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CRAFTSMAN
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Join Date: Jan 2004
Location: grove city,oh.
Posts: 58
bolt sizes
I have en early 70s 400 sbc and I am wondering what size and thread pitch the head and crank main cap bolts are ?Thanks Tony.
12-01-2010, 07:48 PM
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RACING JUNKIE
Join Date: Jan 2006
Location: La.
Posts: 2,890
7/16" X14 pitch, mostly 5/8" head size, but some are 13/16 head dia.
Zip.
12-09-2010, 05:49 PM
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CRAFTSMAN
Thread Starter
Join Date: Jan 2004
Location: grove city,oh.
Posts: 58
Thanks Zipper06,I want to freshen up the engine this winter and will need some taps and thread chasers.[/list]
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