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01-21-2006, 11:14 AM
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Registered User
Join Date: Mar 2005
Location: Just outside Durham, NC
Posts: 894
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saginaw overdrive
I have heard a rumor about a saginaw or NP transmission used in the 80's that had an overdrive, does anyone know anything about this transmission? It is suppose to be a 4 speed transmission with the same dimensions of the saginaw/muncie transmissions....can anyone tell me about these transmissions (specifically wondering if I could replace my 3 speed with this....will I have a problem with the output shaft in my dana 20?)....hear they might have a 10 input and a 27 output...what does the stock saginaw have?
Also, performance wise, I am pretty happy with my 3 speed gearing....does anyone know what that actually is? Would it likely be the same for the first 3 gears of the NP overdrive? Thanks
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1969 SS 350 Camaro Sold 2008 1970 3/4T K20, stock height with 33's, 250 I6, 3 on the tree, and locked front and rear 4.10's  1980 Chevy Malibu 2 dr Sold 2007 1993 Olds. Cutlass Ciera Wagon Traded 2006 2003 Saturn L200 w/5pd. D/D My list spans 5 decades with One common thread.....GM! |
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