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03-27-2006, 03:09 PM | #1 |
Registered User
Join Date: Feb 2006
Location: Ontario
Posts: 145
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rear-end questions
Ok i have a GM82 coded rear end. I found out the GM8 means 2.56 gears but i am wondering what the 2 means? Does this mean i have a 2 series carrier? Is it possible to put 3.73 gears in my rear-end or do i need a new carrier? It is a 12 bolt.
thanks
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79 GMC Sierra 5.9 cummins, nv4500 |
03-28-2006, 11:27 PM | #2 |
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Join Date: Feb 2006
Location: Nova Scotia; Canada
Posts: 7
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Re: rear-end questions
This site may help answer your questions http://www.oldsmobility.com/10bolt-tech.htm
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03-29-2006, 12:09 AM | #3 |
Oh,you can't buy that new
Join Date: Apr 2000
Location: Pennsville,N.J. 08070, USA
Posts: 2,039
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Re: rear-end questions
the 8.5 posi units are very universal but unfortunately2.73 is the cut off point. 2.56 and lower(yes they made worse) is unit in itself but i guess a spacer is an option but i sure dont like em. DAVE
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"been there, done that, ruined the T-shirt". 2007 LBZ GMC Sierra, ECSB 2006 LM7 RCSB Silverado 98 Vortec project. 94,3500,6.5L 4L80 81 SWB GMC POS finally gone 73 Pinto, stock, w/CragarSS's-eww LOTS of Cummins trucks. |
03-29-2006, 01:01 AM | #4 |
Registered User
Join Date: Feb 2006
Location: Ontario
Posts: 145
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Re: rear-end questions
Ok well i bought a 3.73 12 bolt from a 74 today..thanks though
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79 GMC Sierra 5.9 cummins, nv4500 |
03-29-2006, 01:45 AM | #5 |
Stepsides RULE
Join Date: Jul 2004
Location: Pineville, LA
Posts: 1,921
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Re: rear-end questions
haha i have 2.56, yeah it's a dog but you can do like a million miles an hour in first before it shifts up, makes highway crusin' fun for us without OD
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1981 Chevy C10 Custom Deluxe Stepside 350 V8, headers, side exhausts, 3-speed auto SOLD 1980 Chevy C10 Custum Deluxe Stepside 305 V8, Edelbrock Performer Intake, Edelbrock 1406 600CFM 4-barrel, TH350C. Bent rod. SOLD 1984 GMC Sierra Classic Longbed 6.2L Diesel SOLD 2009 Kawasaki KLX-250S too many mods for this signature 1999 Honda Accord EX 4-cylinder, 17" Motegi Wheels 215/45/17 Sumitomo tires, Tein S-Tech lowering springs, KYB GR2 shocks, Acura TL 20mm rear swaybar, debadged, blackhoused headlights, Short-Ram Intake Cardomain of the Accord |
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