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Jul 2, 2007 | 09:40 PM

jays power stroke

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gear tag

hello everyone have a quick question about gear ratio. the tag on the rear end reads s 409 h 3L73 10 5 0a21. any info would be appreciated

Jul 2, 2007 | 09:51 PM

Izzy351

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From: Dallas-Ft. Worth

3L73 is a 3.73 LS Diff.

Your door tag should also have a number under "Axle". Something like "C1"...

Is that what you're after??

Joe

Jul 2, 2007 | 09:56 PM

jays power stroke

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yes thats what i thought but wasnt sure. thank you

Jul 2, 2007 | 09:58 PM

Izzy351

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From: Dallas-Ft. Worth

BTW, here's a really cool page with lots of Ford rear end info...

http://www.drivetrain.com/Fordtrkratio_posidata.html

Joe

Jul 2, 2007 | 10:22 PM

jays power stroke

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Thanks for the info and the web page it was helpful

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