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Old 01-09-2016, 08:26 AM   #21
Frank Miller
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Join Date: May 2010
Location: Auburn, MA
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Default Re: Isky 404A cam - Harley Davidson grind?

Quote:
Originally Posted by Tim Ayers View Post
Harleys get some of there sound from that but most from their unique way the cylinders fire one right after other. Almost like a radial engine would vs. A true twin.

They don't fire one after another but they are not 360 degrees apart. As said earlier the single pin will not allow this as when one piston is at the top on compression the other is almost at the top on exhaust.
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