Re: Position of the spark lever question
My coupe with a Brumfield 5.9 runs best only 6 clicks advanced. It starts best at 2 clicks,but idles great fully retarded.It took many tests going up long hills to find what works best.Carburation will also be a factor on performance. I get good mileage,so for my coupe the settings must be close to optimal. Good luck ,model A's are the best !
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