Guess that axle(1st gen axle upgrade)

pulltilbroke

Last trailer park hero
Joined
Jul 15, 2008
Messages
319
Check out what stillsmokin and me are workin on, can you guess what axle it is?

These have been used in gas pull trucks in our area for quite a while with a lot of good results in stock form, This one has been altered quite a bit using parts from another common rear


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MMMM Beefy
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What you have is a GM eaton used late 40's thru about 1972 excellent rears, only problem I ever had was twisting the course splines pinion & axles. You can change your backing plates and put small brakes & light drum for sled pulling
 
I think pulltilbroke was just wanting to see if people know this axle is out there.

I knew the 17 spline OE axles were a problem, they're retired to the shed, that's not an issue now. I talked to plenty of people in pulling and there were no known pinion spline problems even at 800HP. I chose the small brakes as you mentioned, parts were cheap and easy to obtain.

It's a nice axle to fit into a first gen, VS a 70U. Had to try somthing different, dana 80's just aren't easy to come by locally, especially the way I needed one geared.
 
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