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03-06-2014, 01:52 PM
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#1 |
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Registered User
Join Date: Oct 2009
Location: canton ga
Posts: 12,728
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Rear End Gears
My 72 Chevy truck is a factory shortbed fleetside and originally was a 6 cylinder with turbo 350 transmission .When I got it ,it had been hotrodded and switched to a 350 V8 .It has been in the bodyshop for a frame off for almost 3 years now and is almost ready to come home but now has a new 350 crate motor in it .What rear gears were most likely in it from the factory and what would be the best for better gas mileage .I have not checked it to see what is currently in it ,it may the the original .
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03-06-2014, 02:30 PM
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#2 |
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Registered User
Join Date: May 2009
Location: Motor City
Posts: 9,154
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Re: Rear End Gears
I assume C10, based on your transmission.
Could have been 3.73 (standard) with an optional 3.07 or 4.11. Powertrain charts from the GM Heritage Center archives are attached, so that you can see for yourself. Lower numerically is typically better for mileage...to a point. K
__________________
Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/ Last edited by Keith Seymore; 03-06-2014 at 02:35 PM. |
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03-06-2014, 03:33 PM
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#3 |
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Registered User
Join Date: Oct 2009
Location: canton ga
Posts: 12,728
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Re: Rear End Gears
Sorry ,it is a C10 ,thanks for the info .
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