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Old 08-15-2002, 09:15 PM   #1
swedish
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400 small block info?

Does anyone know if all (or most) of the 400 small blocks (particularly pontiac) had 4 bolt mains?
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Old 10-12-2002, 04:47 PM   #2
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pontiac does not have a small block their 350 has the same outside deminsions as thier 455 as small block chevys no not all are 4bolts
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Old 06-24-2005, 02:00 PM   #3
chevy kid
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Re: 400 small block info?

Hi, I have a 400 small block and it is a 4 bolt main!!! Chevy made the 400 a 4 bolt main from 1970 to 1973 in their 1 ton trucks, then they made a 2 bolt main 400 from 1974 to 1980!!! i hoped this helped.
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