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Old 03-27-2006, 10:53 AM
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Torque Tube Axle switch

Currently needing to change 4:11 rear in a GM 50' 3100, to 3:55. I have paid deposit on a PG diff, to install in PU. Can I just pull the horsehoe clips, and swap the 6 lug axles to the 5 lug, from the PG, after I get it installed, so I can keep the 6 hole 16" wheels and tires.

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Old 03-27-2006, 04:20 PM
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I think we need a more detailed explanation of what you're trying to do. What is a PG differential for one thing. I've never heard of it.
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Old 03-27-2006, 04:50 PM
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I believe a PG differential is one from a PowerGlide equipped vehicle..... But I also believe he is trying to put a car rear center section under a truck.... and I do not believe it will work......but I could be wrong......

Like Centerline says.........more information is needed...

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Old 03-27-2006, 05:33 PM
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The 2 rear ends are 2 diffrent widths to my knowladge, custom axles would be needed. Yes I also belive the PG refers to the powerglide equiped cars, as they have 3.55 gear rear ends in them.
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Old 03-27-2006, 08:39 PM
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If he is referring to a Powerglide rear then it's really no different than any open rear. If he's keeping the original 6 then he'll need to change the trans and driveshaft to an open unit that will be compatible with the rear he's using. You can't just throw in an open rear on those old trucks without changing the driveline to match.
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Old 03-27-2006, 09:16 PM
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you can do this swap

For the best advice go to www.stovebolt.com and look either under tech tips or FAQ--I can't remember where the details of this swap are. I do know you have to disassemble the carrier and swap side carrier gears because the truck and car axle shafts are different. I think you also have to swap torque tubes as well but again my memory fails me.

I have a 51 Chevy half ton I have been SLOWLY working on for the last few years and I have picked up a LOT of good info from the Stovebolt page--tell'em Racecarl sent you!
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Old 03-27-2006, 11:10 PM
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PG rearend,

Hey, thanks guys for all the response, the PG rearend is an enclosed drive line, from a powerglide car, prior to 55, chevrolet, which has 3:55 gears. What I want to do, to keep the 6 lug axles is just slide out the 5 lug on the PG rearend, and install my 6 lug axles. I had a 52 Belair that had been so changed, and it ran 65-70 effortlessley, not wound up tight as with the 4:11. at 50 mph. I am keeping it origional, with the 216 engine, and standard 3 spd. just trying to improve roadability. It should work unless the splines on the Pu axle are different.
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Old 03-28-2006, 08:05 AM
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Quote:
Originally Posted by delazy
Hey, thanks guys for all the response, the PG rearend is an enclosed drive line, from a powerglide car, prior to 55, chevrolet, which has 3:55 gears. What I want to do, to keep the 6 lug axles is just slide out the 5 lug on the PG rearend, and install my 6 lug axles. I had a 52 Belair that had been so changed, and it ran 65-70 effortlessley, not wound up tight as with the 4:11. at 50 mph. I am keeping it origional, with the 216 engine, and standard 3 spd. just trying to improve roadability. It should work unless the splines on the Pu axle are different.
That may not be quite as involved as I mentioned earlier. Wasn't aware of the enclosed PG rear ends. Hay, I'm a Mopar guy....
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Old 03-28-2006, 03:51 PM
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Quote:
Originally Posted by Centerline
That may not be quite as involved as I mentioned earlier. Wasn't aware of the enclosed PG rear ends. Hay, I'm a Mopar guy....
I think '53 up Powerglide cars are open drive. my '51 Chevy w/ powerglide has a torque tube
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