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Old 03-12-2012, 06:20 PM   #2
hartbraker
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Join Date: Apr 2011
Location: Centerburg, Ohio
Posts: 172
Re: 86 Chevy K30 Cummins Swap

I have two different options, I can either try to find a pre 93' np205 out of a dodge... which is only a 29 spline but will be a direct fit to the back of the NV4500. (cheaper route, but potentially weaker) OR I can buy a whole new tail housing, main shaft, fifth gear and nut, so that my GM 32 spline NP205 will bolt up directly to the NV4500.($500 plus freight) STICKER SHOCK!!! The 32 spline is definitely stronger, but I don't know how much. Opinions, thoughts, suggestions... anyone's $0.02 is welcome.
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1986 Chevy Silverado k30: factory air, tilt wheel, 454cu 7.4L, Turbo 400, NP205, Corporate 14 bolt, Dana 60 front, 4.10 gears, SRW, long bed, standard cab... MY TRUE LOVE
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