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| | | | Joined: Jan 2006 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2006 Posts: 127 | Can someone help.I want to put a 4 speed in my 1953-3100 w/closed drive shaft,will a 4 speed open drive shaft from a 1 1/2 ton work | | | | | Joined: May 2005 Posts: 323 Shop Shark | | Shop Shark Joined: May 2005 Posts: 323 | Mr.Giant- Welcome to the 'bolt  I'm sure someone will come along soon. Sabrina | | | | | Joined: Jul 2005 Posts: 1,158 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 1,158 | Welcome to the 'Bolt!
I am 99% sure that you will have to swap out the entire rear end to put an open driveshaft tranny on that.
They did make a 4 speed that fits the torque tube on the half tons. Check the swapmeet section. There are a lot of guys who rod and they might have a 4 speed that'll work for you. If there's not one posted anywhere, post a request in "Parts Wanted". Someone is probably looking to clear out some garage space.
Another option: A 1/2 ton rear from a later model should work. I think that the axle off of a 55.2-59 will be what you'd need. | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Welcome to the Stovebolt!
It can be made to work, but a little hunting around should turn up a torqe tube type 4-speed that would be easier to swap.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: Sep 2003 Posts: 324 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 324 | Check with Patricks antique trucks in
Arizona. He has all the info and parts you need to make the change. | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | Mr. Giant,
Let us know what you want to achieve by changing to a 4-speed (torque-tube or open driveshaft).
There are a variety of possible end results, especially if you go to an open driveshaft.
Tim | | | | | Joined: Jan 2006 Posts: 127 Wrench Fetcher | | Wrench Fetcher Joined: Jan 2006 Posts: 127 | Tim; What I want to do is also change to ring and pinion to 3.55 and still be able to have a low 1st gear when and if needed, thanks. | | |
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