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Old 05-12-2007, 02:16 PM   #1
jay_shy
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Need Verification???

Is this a truck posi from our vintage trucks?

Thanks in advance.

Jason
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Old 05-12-2007, 02:22 PM   #2
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Re: Need Verification???

Here's the pictures...
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Old 05-12-2007, 02:39 PM   #3
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Re: Need Verification???

last one.

The numbers on the top are

EDB 32212 63


the numbers on the ring gear are

3817779 14:43 GM 5 72 2

Jason
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Old 05-12-2007, 05:15 PM   #4
eedgell
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Re: Need Verification???

Looks like a posi.
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Old 05-12-2007, 06:29 PM   #5
Wreckless_71
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Re: Need Verification???

yup you can tell by the spring pack and the clutches in there... they're pretty much interchangable between the blazers jimmys trucks...etc. I also think that the car posi's would work as well... corvette... If you need any help on the rebuild or anything I've done 2 or 3 different ones.
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Old 05-12-2007, 07:42 PM   #6
cdowns
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Re: Need Verification???

its a posi / dont know if its a truck one/ car posi WILL NOT fit truck rears
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Old 05-12-2007, 07:47 PM   #7
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Re: Need Verification???

Uh....was that thing out in the rain dude?
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Old 07-27-2007, 11:22 PM   #8
crossy
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Re: Need Verification???

Just in case you still need to knw that posi is a 12 bolt TRUCK only unit for gears in the 3.40 (actually 3.42's, but called 3.40's in truck 12 bolts) and NUMERICALLY lower gears .like 3.07's.
Could probablly use a spacer plate to use 3.73 and numerically higher gears. crossy
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