With the down time we are having right now I changed out the 906 heads that had a oversized header bolt hole and put on a fresh set of 516 heads and downsize my headers to a smaller size, started out with hooker super comps exhaust system is 3 inch to the rear axle seat of the pants it feels peppier


71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's