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03-23-2010, 08:32 PM
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#1 |
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Registered User
 
Join Date: Mar 2008
Location: Kitchener, Ontario
Posts: 487
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12 bolt truck gears
So, I'm kind of an idiot...I had a set of 2.73 and a set of 2.76 gears kicking around, in the process of rearranging the garage they got mixed up. I'm assuming I can just count the teeth on the gears, and figure out which pinion goes with which ring gear. I was just curious if there was a website or a link to a thread where carrier and ring and pinion numbers are. I have one for Dana stuff, but nothing for GM Corporate stuff.
As a side note, I believe the 3 series carrier was for 2.76 to 3.73, and the 2 series carrier was for 2.56 and 2.73 only, correct? Is this stuff even worth hanging onto, or should I chuck it next time I take scrap in? Thanks everyone. |
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03-23-2010, 08:45 PM
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#2 |
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Redefining LowBudget
Join Date: Mar 2009
Location: lebanon Cow Hampshire
Posts: 4,538
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Re: 12 bolt truck gears
you can chuck it in a box and send it to me!!! I need alot more gear in my truck for the caddy engine to beat!!!
I would count them up and try to roll one around the other to confirm!!
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1970 C10 CST fleetside 472 ....big dreams little cash... SunShine Syndicate..  Mikes Sandwich Fair Run OCT 8th 2011
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03-23-2010, 09:05 PM
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#3 |
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Registered User
 
Join Date: Jul 2003
Location: Las Cruces, NM
Posts: 284
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Re: 12 bolt truck gears
Divide the ring gear teeth by the pinion gear to be sure,
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03-23-2010, 09:31 PM
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#4 |
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Senior Member
Join Date: Jan 2009
Location: Austin, TX
Posts: 1,079
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Re: 12 bolt truck gears
the ring gears should have the number of pinion teeth and the number of ring teeth stamped on it seperated by a colon. for example......... XX:XX on a 3.07 rear end it would be 14:43 or 43:14 I can't remember which is first
__________________
-- Josh Instagram: @americanmusc1e OLD SKOOL-- 1970 C10. 454/Th400/3.07 posi Build Thread FARM TRUCK----1949 Chevrolet 3800 Power Wagon Hauler Build Thread 1999 4wd OBS Tahoe - daily. DM me if you can't see photos i posted |
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03-25-2010, 10:19 AM
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#5 |
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Registered User
Join Date: Apr 2004
Location: Clanton, AL
Posts: 1,253
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Re: 12 bolt truck gears
It's also likely stamped on the side of the ring gear. It'll say 43:14, or whatever.
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85' CUCV M1009!!! The newest addition! 6.2diesel, Th400, NP208, & only 36k miles! 70' C-10 LWB Fleetside - Looking good these days!  05' Dodge Neon 88' Winner Escape Sport 1750 - 4.3v6 94' Seadoo SP 84' Honda TRX200, bare nekkid. Just a frame & tires. Always looking for another project or any good deal! 
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03-25-2010, 04:51 PM
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#6 |
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Redefining LowBudget
Join Date: Mar 2009
Location: lebanon Cow Hampshire
Posts: 4,538
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Re: 12 bolt truck gears
heres a pic of a ring gear#
__________________
1970 C10 CST fleetside 472 ....big dreams little cash... SunShine Syndicate.. Mikes Sandwich Fair Run OCT 8th 2011
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