Bill Hames' 1973 240z, 350 chevy, World SRT heads, 270 comp cam, 750 Holley Double pumper, GM 400 auto trans, Mr Gasket Street Scoop, 1/4 mile at 13.75, Rear end 240z R180 3.454 gears, Fixing to install a 280 R 200 3.90 rearend