The SDL's rock imho. BioP has the answer. Heck, once I know my 606.910 better and feel mroe comforable with these engines( AND hve a 25X40' addition out back!) , I'd buy one cheap, and immediately pull the engine and go through the bottom end.

Find some H beam custom BBC chevy race rods tha'll hold up, I'm sure!

Why buy a diesel? 'Cause it dont burn gas.