414 cid 360 MOPAR block ,flat top pistions making 11.42 compression, INDY cylinder heads with minor pocket blending, an old school solid roller super stocker .700 ish lift cam shaft. making 600 hp. 600 tq. , car was getting 1.31 60 ft . times 904 tranny behind a PTC 5,200 verter , rear was 8.75 wth 4.30 gearing