IF you can... run a compression test!! First a warm engine dry test.. record readings... then a wet test ( just a little oil in the cylinder ) and see the differance!! If the dry test says 120 and then the wet ( with oil ) says 160 ! then that shows a mechincal issue ( rings or possibly gasket!! IF the number only jumps a few pounds between the wet and dry test.. then that shows the mechincal side of the engine is good!! NOW you can start on the ing wires.. plugs.. dizzy cap and rotor.. then fuel!! but get the comp test out of the way first!! cool??