Hi all, having some issues with what I believe to be a 1980-81 9.8. SN:5542911. Carb stamped: MERCARB, (TILLOTSON on fuel inlet) and fuel pump housing stamped 1364-4929.
It doesn't like to idle down and developed a misfire/sneeze at lower RPM's.
What I've done:
New plugs
New Wires
New...