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08-17-2013, 09:27 AM
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#1 |
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Registered User
Join Date: Jul 2013
Location: New Freedom PA
Posts: 6
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1962 gmc 4x4 front drum to disc conversion?
Looking to see if there is any previous threads concerning changing the front drum system to disc on a 62 gmc 4x4 with dana axle.
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08-17-2013, 10:20 AM
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#2 |
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Chevy addict
Join Date: May 2012
Location: Iron Ridge, WI
Posts: 1,085
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Re: 1962 gmc 4x4 front drum to disc conversion?
Install later model axles, the old axles are not worth the time to mess with them
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08-17-2013, 12:56 PM
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#3 |
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Registered User
Join Date: Feb 2012
Location: pleasant valley--placerville ca
Posts: 3,039
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Re: 1962 gmc 4x4 front drum to disc conversion?
somebody on here did it, don't remember who. they had to machine some parts to make it work.
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1961 chevy K10 my build is------------61K10 build |
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08-17-2013, 01:09 PM
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#4 |
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Registered User
Join Date: Sep 2008
Location: San Carlos, Ca.
Posts: 3,048
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Re: 1962 gmc 4x4 front drum to disc conversion?
It was JPBrecheisen and the post is on page 4 of the 4x4 section "1962 GMC Front axle With Disc Brakes" . It looks like a lot of work but it came out looking great! Good read.
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Chris '63 k15 long step Vortec 7.4 - L29 Blackbear tune, Five 0 Motorsports injectors, Chris Straub Cam, NV4500, divorced 205  52" front and 63" rear spring swap D44 / 14bff - disc axles Milemarker 9K and 10.5K hydraulic winches 63" & B52 Spring Install http://67-72chevytrucks.com/vboard/s...ng+swap+thread NV4500 Reverse Build Thread http://67-72chevytrucks.com/vboard/s...=reverse+build L29 - 7.4 Vortec Build http://67-72chevytrucks.com/vboard/s...&highlight=L29 |
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08-17-2013, 07:37 PM
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#5 |
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Registered User
Join Date: Aug 2006
Location: Athens, Georgia
Posts: 1,456
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Re: 1962 gmc 4x4 front drum to disc conversion?
Seems like it'd be easier to go through the junkyard and find Dana 44 front axle out of a Chevy, Dodge, Jeep or Ford, find the right width and move the spring mounting perches.
The Dana 44 is the most common axle assembly in America, and has been in continuous use since the early '50s. -Brad
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'61 Suburban daily driver: off the road due to 180-pound 8-pt buck! '62 K-10 long-step project '61 C30 Camper, aka "Valdez" There's no cool like Old School |
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08-18-2013, 12:53 AM
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#6 |
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60-66 Nut
  Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,246
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Re: 1962 gmc 4x4 front drum to disc conversion?
In my opinion, it would be much easier to find a '70-'79 Dana 44 or a '80-'91 8.5 10 bolt that matches the gear ratio you need and just change the entire differential.
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08-18-2013, 12:27 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: 1962 gmc 4x4 front drum to disc conversion?
he probably has 3.90 rear gears in the rear and 3.92 in front. I don't thank they made an open knuckle with these gears. you would have to change the ring & pinion if the 3.92 is available, or change both ft and rear axle's. I am going to run drums with a hydro-vac from a 3/4-1 ton. we will see-----------just remembered it's a GMC which has a dana rear?? was thinking about a chevy HO. what ratio did the gmc come with? same r&p ft and rear (size)?
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1961 chevy K10 my build is------------61K10 build |
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