Thread: 3 Speed to 4 Speed Swap Questions
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Old 10-20-2014, 01:19 AM   #3
66Submarine
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Re: 3 Speed to 4 Speed Swap Questions
Quote:
Originally Posted by NEWFISHER View Post
Why a 2 piece? All of the 3 and 4 speeds I have run have used a one piece.
The SM420 truck 4 speed (and others like the SM465, NP435, etc.) does not have the slip yoke on the end of the driveshaft that goes into the trans, so the slip joint has to be in the driveshaft itself.
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