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Old 12-08-2005, 07:39 PM   #1
dinnut
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decoding rear axle codes

i have a code off a rearend i need decoded. looked like HA P8 19 or HA D819
i cant find the website i used to use for this im just trying to find out the gear ratio taht is in there
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Old 12-08-2005, 07:43 PM   #2
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Re: decoding rear axle codes

'67 - '70 3.08 non posi
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Old 12-08-2005, 07:46 PM   #3
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Re: decoding rear axle codes

thanks. i thought i had looked it up beofre and it was 3.73 but i guess not... how do y ou find ur information website or book?
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Old 12-08-2005, 10:12 PM   #4
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Re: decoding rear axle codes

I use Hollanders myself..but there's an online page at
http://www.americanclassic.com/paint.htm
and it says 373 for a 69 at least and I never looked it up in the Hollander yet.
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Old 12-08-2005, 11:43 PM   #5
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Re: decoding rear axle codes

thats great if it is a 3.73!!!!! means i dont have to go buy another rearend... thanks rod. and thanks justascatch for trying!
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Old 12-09-2005, 12:23 AM   #6
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Re: decoding rear axle codes

Why not count the teeth...then you'll know for sure.
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Old 12-09-2005, 01:08 AM   #7
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Re: decoding rear axle codes

Things change in these trucks..people do all sorts of changes....pulling the cover is best...you'll get a look, and probably needs some fluid change anyway.
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