have a question.

[rude]

which would be a better motor. a 150 mariner mag3? or a 2.4 xr4 150..

[Largemouthlou]

What is it going on??

[rude]

18ft action

[David]

I'd go with the Mag III, all things (compression, leak down, etc) equal.

The Mag III is an XR6. Newer and a 2.5L, both pluses. No minuses.