Here is where I am set on my car. The more rebound I take out of the front, the more my 60 suffers.

Front
8 rebound
18 compression
Rear
11 RH 12 LH rebound
17 RH 15 LH compression

I have rear side to side a bit different for the twist of the chassis. Seems to work well in my car.

1971 Plum Crazy Super Bee. 572 World Aluminum block with a Cope 727 & Dana 4.10 out back. 9.88 @ 138 with a 1.35 60 NA. Dialed back to 10.0’s. 4000 lbs with me in it.