Fourspeed,your drivetrain is similar to mine except I had my 340 stroked to a 372,dynoed at 452hp 440ftlbs. X heads p/p,XEH284 cam,air gap with 750 holley v.s,msd 6al,pro billet dist. hooker headders.Centerforce d.friction with lakewood bell(heavy and lots of bolts)8 3/4 4.10 stange bbp axels with comp eng. slide-a-link traction.I take my car to the track often,but I think I baby it a little to much(don,t want to brake anything on the launch)Car ran 12.82 at 108mph,60ft. 1.80.Should be able to get it down in low 12,s this spring.Now building a 66 Dart for mostly strip so I can use the Dart Sport for more of a street car.Keep up the good work and keep posting as you go!