[rick winchester]

Can a msd 8251 coil test good on a ohmn meter but still cause a misfire . I have replaced cap,rotor , coil wire,plugs, checked all grounds checked all plug wires , new batteries , alt. checking 13.6 @1800 rpm .changed carb checked fuel pressure. set float level. Plugs look dark, or damp. 7al box . really dont know to check it . going to try another dist. in the morning. Rick