[rick winchester]

Mark,e mod was 4 1" holes in the plate, 2.5 dia. collector and 10.5, 29.5 tire. I think it had two wt,. breaks 2800lbs. for under 370 ci. 3000 lbs. for big blocks over 370ci. Ken Sharp won the first two races in my Grand Prix using his and Bill Sempsrotts 400 small block.The whole thing folded when they changed the tire and collector rule. It was great to race heads up with no break out . If something like this will ever survive ,the rules must remain the unchanged. Rick.