Re: LS 4x4 swap-need help planning!
Some '90 (I think) and '91 (for sure) transfer cases in square bodies have the VSS. 1500/2500 will be NP241, 3500 will be NP205. Those behind a TH350/4L60(700R4) will be 27 spline input, from behind a TH400/SM465 will be 32 spline input.
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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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