MY FAVORITE ENGINE OF ALL TIMES IS THE CHEVROLET 400 SMALL BLOCK. IT HAS BIG BLOCK TORQUE, POWER DOWN LOW(CUASE CONTRARY TO POPULAR BELIEF, YOUR WATER PUMP, ALTERNATOR, AND POWER STEERING WERE NOT MADE FOR GOBS OF RPM'S),AND CUBIC INCHES. PLENTIFUL, 350 ACCESSORIES FIT, CHEAP TO BUY PARTS FOR , AND GREAT TO LEAVE THE START LINE WITH.