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06-13-2020, 02:13 PM
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#1 |
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Registered User
Join Date: Jul 2017
Location: Winston-Salem, NC
Posts: 3
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MM7 4 Speed overdrive transmission
Does anyone know where to find a Chevy MM7 manual transmission? That is the 4 wheel drive version cast iron case. The 2 wheel drive aluminum case version is the MY6. They came in Chevy trucks from 81-88 I think. It is really a Mopar A-833 transmission with a Chevy bellhousing.
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06-14-2020, 10:46 PM
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#2 |
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Moderator
 
Join Date: Oct 2008
Location: Wentworth, NH
Posts: 4,977
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Re: MM7 4 Speed overdrive transmission
More importantly the MY6 MM7 had a GM input shaft and GM splines on the output end.
They are indeed an A833 with some oddities. If you find one make sure you get the shifter and all three linkage arms & linkage rods. They're fairly rare.
__________________
1959 M35A2 LDT465-1D SOLD 1967 Dodge W200 B383, NP420/NP201 SOLD 1969 Dodge Polara 500 B383, A833 SOLD 1972 Ford F250 FE390, NP435/NP205 SOLD 1976 Chevy K20, 6.5L, NV4500/NP208 SOLD 1986 M1008 CUCV SOLD 2000 GMC C2500, TD6.5L, NV4500 2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263 2009 Impala SS LS4 V8 RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...
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