Are you running with the cut outs open ? My combo was a 451 with shu's tri-y's.373 gears and running full exhaust it ran 13o's 3600 lbs 65 Belvedere. With open tri-y's,18'' extensions, upped to 4.10's and slicks(26'') it ran 11.90's.Just for reference. 3.55's, what was the trap speed ? Just a guess, how far before you hit the stripe did you shift to high ? Last question, is it falling over at 5,100 and done or is it just not pulling as hard after 5,100 ? I lied,,one more question. Fuel pump ? mechanical,electric or both ?
