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Old 04-25-2011, 07:15 PM   #22
bmchevy1979
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Join Date: Dec 2010
Location: Visalia, Ca
Posts: 707
Re: does anyone offer an overdrive gear set for saginaw 4 speed with granny gear

you could put a nv4500 5 speed has granny low and overdrive they came in Chevy trucks from 93-98 it is about the same size as the sm465 the shifter is set a little further back and Advance Adapters makes a adapter kit so you can use your transfer case or you can get a np205 off of a th400 and it will bolt up.

Adapter Kit
http://www.advanceadapters.com/products/pn-27-0030/

Dirty Larry and a few others in the 4x4 section have done this swap here is Larry's there is a lot of good info in here
http://67-72chevytrucks.com/vboard/s...d.php?t=431033
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<Brandon>
1974 Chevrolet K5 Blazer 350sbc/SM465/NP205, dana44 front, corp 14bolt rear with 4.10s and a powertrax locker, custom rear bumper 400sbc in the works.
1981 GMC C1500 stepside 250i6, 3spd, 12bolt with 3.08s 2.5/4drop on 15x10 with 275/50r15
81 GMC C3500 cab-chassis dually with utility bed 350sbc, Sm465, 14bolt with 4.10s nv4500 getting ready to go in
1979 Chevrolet K5 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434096
1976 Chevrolet C10 R.I.P. http://67-72chevytrucks.com/vboard/s...d.php?t=434195
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