All before is correct. But I installed a 70 chevy nova axle in my 54 3100 the problem there is the width of the spring pack, wider. I also made a lowering block out of square tubing and adjusted the axle to center the axle in the fender opening. I wish I could be more articulate about this but it has been 20 years. I may have just lucked out, I went to the junkyard and found the right length but had to change the u-joint. I had also lucked into a transmission that was a direct swap. Good Luck.

Last edited by WE b OLD; 07/13/2018 11:33 PM.

Ron, The Computer Greek
I love therefore I am.
1954 3100 Chevy truck
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2017 Buick Encore
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1960 MGA Roadster Sold 7/18/2017