Np231j and np241c length difference

Alexrfowler

Active Member
Joined
May 1, 2018
Location
Pineville, nc
About to swap from a np231j to a np241c, anyone know the difference in length from a 231j with an advance adaptors sye compared to a 241c with a Tom woods sye? Trying to see if my driveshaft will still work.
 
NP231J case is ~9.25" and I'm pretty sure the SYE kit is 7" case to U-joint CL, so ~16.25" overall length. NP241C is ~19.5" overall length and Tom Woods claim they're SYE is 5" shorter, so ~14.5" overall. One thing to not is the Tom Woods SYE kit uses a flange, driveshaft flanges generally add 1.625-1.75" of length.
 
My 231 has a flange on it now, which I believe would swap over, so that measurement would stay the same.I’m guessing though that yoke to be a good 1.25-1.75 inches long. Off the top of my head it looks like I’m pretty close if I used the same flange.
 
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