Hyd roller @.50 mine is 246 in. 252 ex. 0n 112 lobe seperation .555 lift in. .548 lift ex. at cam 1.5 rockers my heads are eddy rpms otb intake ports the exhaut have been ported slightly, 1 7/8 hooker comp. 3"exhaust w muffs ross custom flattops 10.5 to 1 c.r. with 84 cc head 496 stroker stock converter 3.55s 315/50/15 M.T. drag radials my best so far 1/8 mile local track in the heat 1.73 60' 4.936 330' 7.588 660' @ 94 mph wallace caculaters translate that to 11.89 @ 116.56 and that will probably be pretty close I think the car does have a little more as I'm still working out a few small bugs with a little help from this site.