Blown headgasket?

[BigAl331]

Originally Posted by Skools Out

as i remember you can't even swap those 2 powerheads as they have different midsections and different powerhead adapters, plus you wouldn't take the wiring off one to the other as they will not inter change. the red plug is the only thing those 2 motors have in common.

Looking up part numbers, it looks like they will swap over. The only way I will know is when I get both power heads ready to swap.