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Old 01-09-2016, 01:10 PM   #23
Tim Ayers
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Join Date: May 2010
Location: NJ
Posts: 6,181
Default Re: Isky 404A cam - Harley Davidson grind?

Quote:
Originally Posted by Frank Miller View Post
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.
Frank

Thanks for the clarification. You are right. It's something like 315 degrees apart causing that pop-pop sound. Must have had a brain hiccup.

Tim
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