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- - 3sp to a 4sp (https://67-72chevytrucks.com/vboard/showthread.php?t=481397)

tjvending

08-25-2011 03:56 PM

3sp to a 4sp

Is there anything different when installing a 4sp in place of a 3 sp? Will of the parts work for the 4sp, Bell Housing, clutch, flywheel etc...What type of shifter and linkage should I be looking for? LMK

tjvending

08-26-2011 03:30 PM

Re: 3sp to a 4sp

Also , where can I get a bell housing for a 71 4sp? Anyone?

Wrenchbender Ret

08-26-2011 05:02 PM

Re: 3sp to a 4sp

What type 4 speed are we talking about? The old granny low SM465 has a larger retainer in front. It takes a Bell houseing with a larger hole. If you are thinking of a car type 4 speed it will fit but the shifter will be far back. You will have to modify the drive shaft on any thing you put in.

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