Weird exhaust note at cruise with cams
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Road Captain
Joined: Apr 2008
Posts: 588
Likes: 0
From: Volusia County, FL
I have a PCIII USB on my bike, with a map from DynoJet... I am not going to have it dyno tuned right now because I am going to be going to different cams here soon.
It just seems to miss at low RPM.... get over 2000 or so, and it runs fine...
It just seems to miss at low RPM.... get over 2000 or so, and it runs fine...
Tourer
Joined: Dec 2007
Posts: 265
Likes: 14
From:
I can't tell you why it's missing but the 203 has been discussed many times. My engine builder hates that cam. He says you can feel it holding the bike back at 2500 rpm's. The 204 is actually a much better cam if you must use a Harley cam. If your running a stock compression bike with AC and slip ons then I would use an Andrews TW21. Some say it's too close to stock but I think they are just looking at numbers. It really wakes up the engine at lower rpm, where we usually ride. No more down shifting through the corners! I know you asked us not to bitch about your free cam but free isn't always cheap.
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