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#44788 02/08/2002 4:00 PM | Joined: Mar 2001 Posts: 316 Member | | Member Joined: Mar 2001 Posts: 316 | Bolt patterns are the same on both units and the SM-465 will have a switch for your B/U lights!
GM Truck, four speed standard transmissions. Built by Muncie.
Installed in: 1947 - 1967 Chevrolet and GMC trucks up to 2 1/2 ton.
Model: SM-420 - Bearing Retainer/Bell housing opening size - 4 11/16"
Gear Ratios
1 - 7.06
2 - 3.58
3 - 1.71
4 - Direct
R - 6.78
Oil Capacity
5 1/2 pints
Installed in: 1968 - 1991 Chevrolet and GMC trucks up to 2 1/2 ton.
Model: SM-465 - Bearing Retainer/Bell housing opening size - 5 1/8"
Gear Ratios
1 - 6.55
2 - 3.58
3 - 1.57
4 - Direct
Length - 12"
*** GMC ***
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