Hi Bruce,
The removable terminal nuts loosen just after a few drives. I found myself frequently tightening them until I finally went to a plug design with a fixed terminal nut. So check them periodically. Also make sure the plugs are gapped appropriately.
By the way we share the same first name.
Last edited by Sportster; 06/05/20 02:36 AM.
2015 M3W, Morgan Aero Racing Stage 1, Garage 56 Stage 2, sport black, saddle tan, jeweled SS dash.
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