this is my 70 dart swinger 340 it was dynoed at 400hp the 340 has the x heads ,crane cam ,tti headers, dynomax daul exhaust,solid lifters,eddlebrock performance intake,holly 750,hurst rachet shifter,8 3/4 rear with 4:10 gears,line lock and lots more,and 15x8's in the back with 255-60s,this car...