Quote:
Originally Posted by Clyde65
The 3.90 ( probably) would do well with the 4speed OD. Have you driven?
There isn't a bunch of options for that rear end. Best for a 71-78 12 bolt, cut the mounts off and weld in some for your coil rear, get the mounts from Capt Fab here on the forum.
Good luck!
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No I have not driven it yet. It did fairly well whit the th350 I had in there before. It ran around 3000 rps at about 65-70 mph. I was just trying to figure out if I could get better speed and drive ability out of the my engine.