Posted by John T on February 10, 2013 at 19:17:46 from (71.52.99.130):
In Reply to: JD misfiring posted by Ron Barkdull on February 10, 2013 at 16:52:43:
Not hearing it myself its hard to tell you how to get it running correctly, heck maybe it already is??? At slow idle it may not sound to the untrained ear to be running correctly when it actually is!!!!!!!!!!!! Due to a single carb serving BOTH cylinders and their manifold and their firing cycle, at slow idle the cylinders may not be getting equal gas charges. However if properly tuned with a good mag and carb and timing they certainly can run smooth and "correctly"
The pops your ear is capable of hearing (Fletcher Munson hearinG response time curves) are the summation of BOTH cylinders firings, NOT THE LEFT THEN THE RIGHT CYLINDER EACH FIRING...You dont hear pop, pop, pause pause pause when theres the 540 coast cycle. My late friend Physicist Duane Larson had a detailed technical explanation of all that
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