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Old 11-03-2003, 06:15 PM   #1
racedvl
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I need some help quick! ! ! ! ! ! ! !

What size are the head bolts on a small block?!? I am getting ready to leave here shortly to head to the store, and I wanna swing by Sears real quick and get a thread chaser. Thanks.
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Old 11-03-2003, 06:24 PM   #2
bpmcgee
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3/8" diameter, 9/16" wrench size. According to ARP at least, and I think they're right.

Brian
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Old 11-03-2003, 06:33 PM   #3
racedvl
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3/8 is what I need, thanks!
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Old 11-03-2003, 06:41 PM   #4
jef5150
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do you know taps come in "different" threads/inch,,3/8-16....3/8-24
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Old 11-03-2003, 07:13 PM   #5
crazy longhorn
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the head bolts on a sb Chev are 7/16 x 14 NC....crazyL
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