could someone plzzzzzzzzzzzzzz help me i got a nova s12 used/new for cheap but i can not find any info on this motor so i do not no the part #for the flywheel and ball and also i do not think it is a sg crank the guy i got it from said its a mod this most be a real old model,and when i pulled it apart the sleeve was in wrong so i resat it ,but he has no info i need some one who really nos nova s12 engines