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04-14-2014, 08:00 PM
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#1 |
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Registered User
Join Date: Nov 2013
Location: South jersey 51st state
Posts: 138
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Rear gear set ?
I have a '64 8ft fleet 292 3 speed overdrive . Looking to change rear gears from 3.73 to a 3.42. Looking for 3 series carrier
Last edited by Flthead; 04-15-2014 at 12:06 PM. |
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04-14-2014, 11:43 PM
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#2 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: Rear gear set ?
You do realize that you will have to change the carrier also when changing from 3.73's to 3.42's?
There are many sources for differential gears. http://www.summitracing.com http://www.ring-pinion.com http://www.drivetrainspecialists.com
__________________
Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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04-15-2014, 02:42 AM
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#3 |
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Registered User
Join Date: Nov 2013
Location: South jersey 51st state
Posts: 138
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Re: Rear gear set ?
Ya I'm finding this out. What's a lower gear set without changing carrier
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04-15-2014, 09:08 AM
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#4 | |
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Registered User
Join Date: Sep 2010
Location: Tulsa, Oklahoma
Posts: 1,925
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Re: Rear gear set ?
Quote:
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04-15-2014, 09:16 AM
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#5 |
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Registered User
Join Date: Sep 2010
Location: Winchester Oregon, formerly Vancouver BC
Posts: 2,949
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Re: Rear gear set ?
I may have a carrier. I took it out of a pickup but don't know what it was.
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04-15-2014, 09:39 AM
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#6 | |
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Registered User
Join Date: Nov 2013
Location: South jersey 51st state
Posts: 138
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Re: Rear gear set ?
Quote:
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04-15-2014, 10:49 AM
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#7 |
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60-66 Nut
Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: Rear gear set ?
The 3.73's are the highest gear that will work on a 4 sreies carrier. The next step up is the 3.42 gear which you will need a 3 series carrier for.
__________________
Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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04-15-2014, 02:09 PM
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#8 |
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Registered User
Join Date: Jan 2013
Location: Las Vegas, NV
Posts: 1,853
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Re: Rear gear set ?
The drop is about 200-300 rpm. Chart
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1962 shortbed 408cui small block, TKO 600 5-speed, bagged Porterbuilt suspension. 18" Salt Flats http://www.cardomain.com/ride/332579...t-c-k-pick-up/ http://67-72chevytrucks.com/vboard/s...d.php?t=560081 |
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04-15-2014, 05:03 PM
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#9 | |
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Registered User
Join Date: Sep 2010
Location: Tulsa, Oklahoma
Posts: 1,925
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Re: Rear gear set ?
Quote:
lets check on torque, 3. Engine ? 2. tire diameter from ground to top of tire 3. transmission final drive we know your rear axle ratio I will run a custom spreadsheet for you and besides looking at speed and rpm we will also look at how much torque you have now and how much torque you will have with the changes....you want to make......before you make them......Kieth |
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