Re: 1968-73-87-98 questions
That would be wrong... A 32 spline input NP241 from a late square will bolt to the NV4500 without batting an eye. FWIW, 32-spline input NP241s can be found in trucks/Suburbans with a 4L80-E or (I think) the SM-465. OR grab ANY NP241 from a square and swap out the 27-spline input gear for a 32 spline one, which is still available if you look around.
NV-4500 first available in '92, so no, it was not offered in a square.
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Devin
1983 GMC High Sierra 2500, 4x4, RC/LB, 400 S.B., SM-465, NP-208, Corporate 10 bolt & 9.5" 14 bolt
1996 GMC Sierra SLE 3500 DRW, 4x4, EC/LB, Vortec 454, NV-4500, BW-4401, AAM 925 & AAM 1050
1997 GMC Sierra SLT 1500 4x4, Z71/F44, EC/SB, Vortec 350
My Introduction with my '83s History
New Daily, the '96
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