Quote:
Originally Posted by Cayoterun
Thanks, BillT for a good belly-laugh to start the day. Did the floor boards shake, and you looked in the rear mirror to see how much pig iron was scattered on the pavement??
Since on irrigation wells, the motors ran at a constant speed, we'd tune them at night and use the exhaust as a guide. With the stub pipes on each head, blue flame would be at the pipe tips, so we could tune each distributor on each side of the motor, by tuning in each distributor to max blue flame.
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More V12 trivia: Since the irrigation motors run at a constant rpm, under load,
spark advance wasn't necessary, so if you find on the distributors the advance may be locked, rusted, or disabled, in one position, that is the reason. It was tuned at the operating rpm it normally ran.