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Vintage SM Block vs Big Block
Are Chevy cranks pre-drilled fora pilot bearing? would like to swap my THD400 tranny for a standard 4/5 spd. ..Willy.
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all of the older ones were. sometime during the 90's when they went with a one piece rear main some were not. what trans are you looking at? if you are looking at a NV 4500 you need the bell housing. the bolt pattern where the trans bolts to the bell housing is different then the older trucks. highdesertranger
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