Intake flutter avoidable?
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Road Master
Joined: Jun 2010
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Intake flutter avoidable?
Hi All,
After the cam swap I noticed more intake flutter between 1500-2500rpm. Its not objectionable just wondering if its avoidable or if it just comes with the territory.
Thanks,
Joe
After the cam swap I noticed more intake flutter between 1500-2500rpm. Its not objectionable just wondering if its avoidable or if it just comes with the territory.
Thanks,
Joe
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Joined: Aug 2011
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I hear what you're saying, I gave my girlfriend a cam job now she is making bubbly noises too.
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
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From: Phoenix '53, '88, '09 Big Twins
with the change in cam timing overlap, you may be able to tune out the flutter with a change in exhaust tract length, diameter, restriction
or by changing the intake tract ( such as length)
what is likely happening at the rpm range is a wave coming back up the pipe, the exhaust and intake valves are both open, so that wave can travel all the way to intake.
in which case cylinder fill/ intake charge velocity would be affected resulting in reduced power
true duals by chance?
mike
mike
or by changing the intake tract ( such as length)
what is likely happening at the rpm range is a wave coming back up the pipe, the exhaust and intake valves are both open, so that wave can travel all the way to intake.
in which case cylinder fill/ intake charge velocity would be affected resulting in reduced power
true duals by chance?
mike
mike
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