This went 12.0's w/ 6psi of boost. Probably would have gone faster w/ 3.55's instead of 3.91's Your engine has way more go-fast stuf in it. You might want a tad more gear...3.23's at least. This engine was a .030 over stcok 70 rebuild w/ unported 906 heads, summit 488 cam, RPM intake, Proformed 750DP, 1 3/4 headers, 175K conver and 3.91's. All stock steel 67 coronet (3850lbs) car ran great and you could drive it anywhere.