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12-03-2016, 10:56 PM
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#1 |
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Registered User
Join Date: Jan 2012
Location: Salado, Tx
Posts: 1,375
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62 rear axle gears.
I am looking for my axle gear ratio for my 62. I think it's got 390 gears but I can't find the stamp on the axle. I really don't want to drop the cover to find the number. Can someone tell me where to look?
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John Z 1962 Chevy C10 Stepside 62 Barnfind My build tread: http://67-72chevytrucks.com/vboard/s...d.php?t=507513 |
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12-03-2016, 11:12 PM
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#2 | |
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Registered User
Join Date: Jan 2013
Location: Columbia, SC
Posts: 1,927
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Re: 62 rear axle gears.
Quote:
I have used this method to determine the rear gears in an open diff on several occasions. Jack up the rear diff to get both rear tires off the ground. Then mark the drive shaft and have a friend count the total shaft revolutions made while you spin one rear tire 10 full revolutions. Then multiply the DS revs X 2 and divide by 10.
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My 65 C10 build: www.lugnutz65chevystepside.weebly.com Want to know more about T5 transmissions? My website has a T5 Info Page and a Step by Step T5 rebuild. |
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12-04-2016, 12:15 AM
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#3 |
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Registered User
Join Date: Jun 2013
Location: joshua tree ca.
Posts: 1,484
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Re: 62 rear axle gears.
Lugnutz Only jack up one wheel for open diff
here is how to do either Posi: Jack both wheels off the ground. Turn one wheel 1 complete turn. - Count the turns on the drive shaft. Non-posi: Jack one wheel off the ground. Turn the wheel 2 complete turns. - Count the turns on the drive shaft. IF you want to be more accurate ..... Posi wheel 10 turns count shaft divide by 10 .... non posi 20 wheel turns count shaft divide by 10 Last edited by jtrichard; 12-04-2016 at 12:25 AM. |
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12-04-2016, 12:21 AM
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#4 |
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Registered User
Join Date: Jan 2013
Location: Columbia, SC
Posts: 1,927
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Re: 62 rear axle gears.
The reason I suggest 10 turns is because 3.73 and 3.90 are very similar in appearance with only one or two turns of the wheel.
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My 65 C10 build: www.lugnutz65chevystepside.weebly.com Want to know more about T5 transmissions? My website has a T5 Info Page and a Step by Step T5 rebuild. |
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12-04-2016, 12:28 AM
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#5 |
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Registered User
Join Date: Jun 2013
Location: joshua tree ca.
Posts: 1,484
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Re: 62 rear axle gears.
You had said on open/non posi to lift "both wheels" you had that thought bass acwords lol
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12-04-2016, 12:30 AM
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#6 | |
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Registered User
Join Date: Jan 2013
Location: Columbia, SC
Posts: 1,927
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Re: 62 rear axle gears.
Quote:
__________________
My 65 C10 build: www.lugnutz65chevystepside.weebly.com Want to know more about T5 transmissions? My website has a T5 Info Page and a Step by Step T5 rebuild. |
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12-04-2016, 02:09 PM
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#7 |
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Registered User
Join Date: Feb 2012
Location: pleasant valley--placerville ca
Posts: 3,039
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Re: 62 rear axle gears.
62 only had 3.38 (auto?never seen one myself) 3.90 most and 4.11 opt. (overdrive?) no 3.73. Now that's if you have the org ho axle, not a 12bolt.
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1961 chevy K10 my build is------------61K10 build |
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12-04-2016, 02:35 PM
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#8 | |
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Registered User
Join Date: Jan 2012
Location: Salado, Tx
Posts: 1,375
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Re: 62 rear axle gears.
Quote:
__________________
John Z 1962 Chevy C10 Stepside 62 Barnfind My build tread: http://67-72chevytrucks.com/vboard/s...d.php?t=507513 |
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