ramcharger in 1977/80 I raced at the 1/8 mile track in colo. springs I was the points division leader and went bracket nationals, at Bandimeres that year with my 1956 chev broke out 1st round with a 10.16 on a 10.32 dialin, I owned 2 companies. in the sprgs mileage performance ctr. and mileage specailties. we jetted veh. for the G.M. dealers in the springs. I know all about the thin air . jet right and you will be right. good luck GARY:cheers: