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12-28-2015, 01:53 PM
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#1 |
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Registered User
Join Date: Apr 2014
Location: Fate, Texas ( About 35 miles east of Dallas)
Posts: 318
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Series 3/4
I have been reading where you cannot put 3.73 gears in a series 3 carrier. I looked at a Richmond Gear set from Jegs that say they are for a series 3. Can this be true? I would like to exchange my 3.08 or 07's for 3.73's as I am towing a trailer with it. It only showed cars, are truck and cars of that era different?
Thanks Ron http://www.jegs.com/i/Richmond-Gear/...32#moreDetails |
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12-28-2015, 02:39 PM
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#2 |
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Registered User
Join Date: Dec 2013
Location: pulaski, wi
Posts: 54
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Re: Series 3/4
Are you talking about the gm 12 bolt?
truck and cars are different. http://www.summitracing.com/parts/rmg-4900721/overview/ |
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12-28-2015, 03:31 PM
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#3 |
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Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: Series 3/4
You can buy 3.73's for either series of carrier (3 or 4), your 3.07 gear set means you have a 3 series carrier.
The break is at 3.90 ( which uses a 4 series carrier).
__________________
Tim K. 84 K30 srw Silverado 454 auto 85 C20 350 C6P auto flatbed 94 K1500 lifted shortbed 350 4 bbl NV4500 Last edited by 68post; 12-28-2015 at 03:35 PM. Reason: uh-huh |
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12-28-2015, 03:46 PM
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#4 |
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Registered User
Join Date: Apr 2014
Location: Fate, Texas ( About 35 miles east of Dallas)
Posts: 318
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Re: Series 3/4
Where would one go to get the gear set for the series 3?
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12-28-2015, 04:18 PM
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#5 |
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Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: Series 3/4
I answered your pm. These gears can be bought most anywhere.
__________________
Tim K. 84 K30 srw Silverado 454 auto 85 C20 350 C6P auto flatbed 94 K1500 lifted shortbed 350 4 bbl NV4500 |
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12-28-2015, 04:20 PM
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#6 |
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Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: Series 3/4
You do have a 12 bolt rear ?
__________________
Tim K. 84 K30 srw Silverado 454 auto 85 C20 350 C6P auto flatbed 94 K1500 lifted shortbed 350 4 bbl NV4500 |
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12-28-2015, 05:54 PM
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#7 |
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Registered User
Join Date: Apr 2014
Location: Fate, Texas ( About 35 miles east of Dallas)
Posts: 318
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Re: Series 3/4
Yes it is a 12 bolt rear end.
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12-28-2015, 06:03 PM
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#8 |
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Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: Series 3/4
As was mentioned - make sure you buy gears for the truck axle because the car 12 bolt axle is different.
__________________
Tim K. 84 K30 srw Silverado 454 auto 85 C20 350 C6P auto flatbed 94 K1500 lifted shortbed 350 4 bbl NV4500 |
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12-28-2015, 06:14 PM
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#9 |
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Registered User
Join Date: Jan 2014
Location: Indpls. , IN
Posts: 795
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Re: Series 3/4
__________________
Tim K. 84 K30 srw Silverado 454 auto 85 C20 350 C6P auto flatbed 94 K1500 lifted shortbed 350 4 bbl NV4500 |
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12-29-2015, 01:09 AM
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#10 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: Series 3/4
The 3 series carrier for a truck 12 bolt will accomodate 2.76-3.42 gears. The 4 series carrier will accomodate 3.73 gears and lower. You can purchase thick gears to install a 3.73 ratio onto a 3 series carrier.
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