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09-13-2011, 02:18 PM | #1 |
Junior Member
Join Date: Jul 2010
Posts: 27
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Rear Differential
Is there a easy way of finding the gear ratio of a A rear end
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09-13-2011, 02:38 PM | #2 |
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Join Date: May 2010
Posts: 451
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Re: Rear Differential
I just saw this the other day on here... mark one of the rear tires with chalk at the 6 o'clock position; remove the spark plugs; put the car in third gear; hand crank the car, in gear, until the rear marked wheel makes one complete revolution back to 6 o'clock. Count the number of engine revolutions to do this and there's your gearing.
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09-13-2011, 03:06 PM | #3 |
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Join Date: May 2010
Location: Southern Illinois
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Re: Rear Differential
Is there not a number stamping on the differential housing like the early V8's?
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09-13-2011, 03:07 PM | #4 | |
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Location: Eastern Tennessee
Posts: 11,537
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Re: Rear Differential
Quote:
Nope. The early differential housings that had a 3.70 were sometimes stamped but generally the "marking" is on the speedometer drive gear cap. |
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09-13-2011, 03:21 PM | #5 | |
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Location: Stayton, Oregon
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Re: Rear Differential
Quote:
__________________
Fred Kroon 1929 Std Coupe 1929 Huckster |
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09-13-2011, 03:50 PM | #6 |
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Location: Magnolia, TX
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Re: Rear Differential
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Steve |
09-13-2011, 06:05 PM | #7 |
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Join Date: May 2010
Location: Stayton, Oregon
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Re: Rear Differential
Thanks Steve.
__________________
Fred Kroon 1929 Std Coupe 1929 Huckster |
09-13-2011, 06:28 PM | #8 |
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Join Date: Jul 2010
Posts: 27
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Re: Rear Differential
i was wondering weather there was a number on the housing ,,i knew about the speedo housing number......there are a couple for sale but i would like to know the ratio ...they are quite a drive to see them
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