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12-05-2004, 11:17 AM | #1 |
Registered User
Join Date: Jul 2004
Location: Katy, TX (Houston)
Posts: 73
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WTB: posi for 72 w/3.73
I currently have a non posi with 3.08 gears. I have bought some 3.73 gears and want to go to a posi when installing them. From what I can determine I need a series 4 (correct?) posi unit.
The truck is a 72 LWB 1/2 ton with a 12 bolt rear. Haven't opened it up to check the spline count but it should be stock (30?). |
12-05-2004, 11:45 AM | #2 |
Keepin an eye out
Join Date: Feb 2003
Location: So.Cal
Posts: 3,920
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__________________
1970 Chevy C10 SWB 5.3 1996 Toyota Tacoma SR5 4x4 2007 Vespa GTS 250 Scooter ZIP 91351 |
12-05-2004, 04:26 PM | #3 |
Account Suspended
Join Date: Apr 2004
Location: N.C. high country
Posts: 6,107
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I good source for these are 71-79 chevyvans just look under the hood for ratio and posi option. More of those are in yards than the 67-72's Alot had posi too. They used 12 bolts up to79
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