Not Ranked
Changed from NGK FR5 to BCP6 E: The engine got a whole new character. Either becaus plugs are 1 step colder or because the plugs were no longer sooty.....
Rickd: Are you running a Mallory or MSD box? If so you might need to change to BK6 E instead of the BKR6.... I had an issue with my Mallory box/ Autometer rpm gauge (both or either; no clear indication yet) and wrote in on their help- desk. One thing they clearly stated was that the plug should be of the non- resistor type. (No R in the NGK- part number..)
RS
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