Performance upgrade
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Intermediate
Joined: May 2017
Posts: 36
Likes: 2
From: michigan
The word "power" covers a lot of territory. For some it translates to pushing a bike well over 100mph. Others want super quick acceleration. And still those who just want to climb steep mountain roads two-up with lots of luggage. So you have to decide where (RPM range) you want most power. It would be great if one cam could do it all. But nature doesn't work that way. You'll have to select a cam with a happy medium in mind. There are people on this forum who have the expertise to give you good guidance in selecting the right cam. Your research will pay off. Once selected, pretty much everything else will fall into place.
Grand HDF Member
Joined: May 2008
Posts: 4,624
Likes: 189
From: Newcastle, Ca.
Running 57's in a 2011 RKC 103. Cam upgrade in preRushmore 103's makes a big sop improvement. I ride 2up in the foothills and sierras and live 2300~2800 and run to 4500+. If you ride lower rpms, 48's. No need to replace header. Decat oem and call it good. Not having oversized baffles is best. 1.75"-2" Fullsac are proven performers. I have both. 2" sounded better but were wearing for both of us after several hours. Also, you may be better served replacing the Fuelpac with another tuner. Perhaps try the FP then decide.
Thread Starter
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Intermediate
Joined: May 2017
Posts: 36
Likes: 2
From: michigan
Running 57's in a 2011 RKC 103. Cam upgrade in preRushmore 103's makes a big sop improvement. I ride 2up in the foothills and sierras and live 2300~2800 and run to 4500+. If you ride lower rpms, 48's. No need to replace header. Decat oem and call it good. Not having oversized baffles is best. 1.75"-2" Fullsac are proven performers. I have both. 2" sounded better but were wearing for both of us after several hours. Also, you may be better served replacing the Fuelpac with another tuner. Perhaps try the FP then decide.
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