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8 1/4 posi #290588
04/16/09 07:46 PM
04/16/09 07:46 PM
Joined: Feb 2007
Posts: 127
Canada
S
shadowauto Offline OP
member
shadowauto  Offline OP
member
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Joined: Feb 2007
Posts: 127
Canada
I have a complete 8 1/4 posi with 2.71 gears I want to install 3.55 do I need a spacer and longer bolts this is the first time that I am working in a 8 1/4 usely I use 8 3/4 but I want to stay original on this project thanks .

Re: 8 1/4 posi [Re: shadowauto] #290589
04/16/09 08:06 PM
04/16/09 08:06 PM
Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
In_The_Pink Offline
master
In_The_Pink  Offline
master

Joined: Oct 2005
Posts: 9,065
Milwaukee, WI
The 3.55 ring gear will bolt right to the Sure Grip carrier.

Re: 8 1/4 posi [Re: shadowauto] #290590
04/16/09 08:49 PM
04/16/09 08:49 PM
Joined: Apr 2007
Posts: 2,327
Glendale, AZ
6
69L78Nova Offline
Banned. Forever.
69L78Nova  Offline
Banned. Forever.
6

Joined: Apr 2007
Posts: 2,327
Glendale, AZ
Quote:

8 1/4 posi




SURE-GRIP


1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser

1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)
Re: 8 1/4 posi [Re: 69L78Nova] #290591
04/17/09 08:07 AM
04/17/09 08:07 AM
Joined: Jul 2006
Posts: 106
Waterloo Iowa
8
80mirada Offline
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80mirada  Offline
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8

Joined: Jul 2006
Posts: 106
Waterloo Iowa
2.71 gears use the same carier as 2.94-4.56 gears, the 2.4, and 2.24 use a different one

Re: 8 1/4 posi [Re: 80mirada] #290592
04/17/09 08:22 AM
04/17/09 08:22 AM
Joined: May 2003
Posts: 15,487
Florida
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scratchnfotraction Offline
I Live Here
scratchnfotraction  Offline
I Live Here
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Joined: May 2003
Posts: 15,487
Florida


all in how you sez it.... 8 3/8 suregrip

gots 10 bolts on the cover


Re: 8 1/4 posi [Re: scratchnfotraction] #290593
04/17/09 10:18 AM
04/17/09 10:18 AM
Joined: Jul 2006
Posts: 106
Waterloo Iowa
8
80mirada Offline
member
80mirada  Offline
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8

Joined: Jul 2006
Posts: 106
Waterloo Iowa
parts can be had cheap for the 8 1/4 (8 3/8) rear if you look for places that specialize in Jeeps, a ring and pinion from a jeep house can be as much as $100 cheaper.







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