Left slipon very discolored
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Joined: Sep 2010
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From: Phoenix '53, '88, '09 Big Twins
likely the reduced velocity on the left side ( at most rpms, due to the design of the 2/1/2 header) allows soot to gather at the tip.
but refer specific questions to V&H
Mike
but refer specific questions to V&H
Mike
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Joined: Jan 2009
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From: East Tn Foot of The Dragon
Thanks for the reply guys. Just to be clear, the discoloration is in the exhaust tip end....the left side is like 5 times darker than the right which stays clean.
I didn't do a stage one download from HD when I added the air intake and exhaust. I was told by VH that the FP3 will correct the ECM for this setup.
I'm not sure with fooling with the mixture control on the FP3...when I call VH customer service maybe they can direct me.
I didn't do a stage one download from HD when I added the air intake and exhaust. I was told by VH that the FP3 will correct the ECM for this setup.
I'm not sure with fooling with the mixture control on the FP3...when I call VH customer service maybe they can direct me.
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Joined: Dec 2014
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From: new rochelle, ny
Thanks again for the replies. I called VH and they verified what has been said... the left pipe runs cooler and has much less velocity of exhaust due to the bends. Therefore doesn't burn off the mixture as well as the right side. Just requires more cleaning. Same thing with dresser duals. I appreciate the knowledge on this forum. So I guess my case is closed
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