Technical flat towing after rear rebuild

So I got my diff rebuilt about a year or so ago, haven't put any miles on it other than moving it around the yard. I wanted to get it towed to have some work done on it and was thinking about using a car dolly maybe 5 or 6 miles. Would it hurt anything doing it this way or should I trailer it?

 

If the rebuild was done right and you have gear lube in the rear end, you should be fine to tow it 5-6 miles

 

It'll be fine. Make sure its topped off.

 

You should be fine. Does the car run? Maybe put it up in the air and Run it a little bit to throw some oil around with no weight on things. Just be advised that it is a dangerous thing to do. Things can go wrong quickly.

 

Pull the driveshaft if it's an auto trans.

 

You can put the rear wheels on the dolly

 

Your rear axle doesn't care if it is being driven by the pinion gear or the rear wheels. Everything inside turns the same and the ring gear acts as an oil pump distributing lube to all the bearings. A potential problem is if you have a transmission connected to the rear axle. Manual or automatic, you can damage the transmission by flat towing.

 

-I think I put about two things of oil in
-No drive shaft yet.

 

In the 70's I flat towed a 34 Ford with the original drivetrain in neutral from Dayton Oh to Clovis NM on the interstates and had no issues...

 

I've flat towed my Austin to the drags 80 miles away numerous times. No issues ever.

 

Has anyone ever heard of a 58 Chevy powerglide with a rear pump. You can push start the car, as you would a standard or turn the inners of the transmission if you were towing with the trans in neutral? You could lock the car on a slight hill in gear with the engine compression holding the car in place.

 

I flat towed my '60 Corvette all over the East Coast......removed the drive shaft from the rear and tied it up. Never had any issues with the POSI differential.

 

Pull it regardless of what trans it is ...
Didn't all iron Powerglides have rear pumps ?

 

New gears or old gears and new stuff inside? If new gears I wouldn’t do it, in my thinking when towing, the ring and pinion would be constantly on the coast side, but either way the gears wouldn’t be “broken in properly “. If used gears, no issues I could see. Bearings getting oil is all that matters.

Edit: a few miles your talking about just do it.

 

Flat towing was my choice even after I got a trailer.....usually pull the driveshaft for long distance but sounds like you have that covered.