Just looked at this the other day..I have a little less than 1/8 inch… has been running 5 years like that, no issues. Footbrake 904, 8 inch vert, good bit of racing.
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight 418 BPE factory replacement headed stroker, 565 lift solid cam Best so far, low 10.30’s 1/4 1.41 best 60 foot 6.56 at 104.17
