I had and 8 inch ATI in my car that broke a lug in July. James at Coan built me a spragless 8 inch that picked me up .05-.06 in the 1/8.

If you are shoe polish racing a loose 8 inch is the way to go.

67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174