Hey Lee any idea what the weight difference mit be on the stock flywheels between the two.As you know I don't And can't run stock flywheels no matter what. Because what I run for a clutch disk.(they'd eat up a stock flywheel) again fuel pumps I realy wasn't sure as I run a Elec. pump. And i forgot about the cooling issue, But i knew the pumps were different. As too aren't the lowwer thermo houseings? didn't one or the other have a bypass?? or is that the other differnce on the water pumps? thank you }[oooooo]