Old Hand
Join Date: Nov 2002
Location: Nebraska
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Re: SBC - 305 vs 350 clutch/flywheel
What 4 speed did you get? An SM465 has a 5 1/8" front bearing retainer and uses its own bellhouseing. All other GM 4 speeds used a 4 11/16" front bearing retainer and so has a smaller center hole in the bellhousing that won't work with the 465's.
