A friend of mine did it (by accident) once when his mixture was so rich and the timing was so retarded that it was firing after the exhaust valve opened. The car ran like crap, but there were 1' flames coming out of the tailpipes. We could only see them at night.
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67 Fastback - Arctic White Pearl paint
351W ,Trick Flow Aluminum Heads, Edelbrock TorkerII, Comp. Cam, Performance Automatic C-4 Trans, 3.55 gears, Front Disc Brakes, 1-1/8" Fr. 3/4" rear sway bars.
[URL=http://www.mustangworks.com/mustangs/pictures/Listing1245-slot1.jpg]My 351W Fastback
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