4 bolts went into big heavy duty stuff. bigger trucks, usually 4wd, 2500 and 3500s, and corvettes. I dont think(not 100%) the f body ever got a 4 bolt 350 from the factory, because there was no need.
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Formerly known as REED!
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Draino?
Last edited by HeadlessNorseman; 02-17-2009 at 04:17 PM.
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