a friend of mine has a 70 ebody with a 440...509 cam..pocket ported 452 heads.flat top ross pistons..adjustable rockers..rpm intake..850 holley...t/a 10'' converter.s/s springs..bfg drag radials..car weighs 3500 ibs. hensley built the engine..12.36 @ 109 at bristol...lots of street driving and abuse..lol