S sambomancubsrock New member Mar 8, 2009 #1 i dont know much bout them old 400's, so i was wondering if they are powerful engines, and if there are any aftermarket parts for it and what not. its a 78 f250 thanks
i dont know much bout them old 400's, so i was wondering if they are powerful engines, and if there are any aftermarket parts for it and what not. its a 78 f250 thanks