Cam Upgrade
Road Warrior
Joined: Oct 2013
Posts: 1,399
Likes: 1,040
From: Seabrook, NH
That was an experiment with a high flow muffler. Hated the sound and how it performed but as you stated it does show what happens when you choose the wrong exhaust for your build.
Elite HDF Member
Joined: Jul 2007
Posts: 3,903
Likes: 1,122
From: 48.067222,12.863611
Realize that that dyno is from one of the best tuner's you will find. He has worked with this cam extensively too. Lesson here: Make sure you have a really good dyno guy and make sure he has the brains and patience to work with whatever cam you choose. A good tuner shouldn't have any issues. The problem is, there is a lack of good tuner's.
Tourer
Joined: Jul 2016
Posts: 313
Likes: 51
From: Georgia
Realize that that dyno is from one of the best tuner's you will find. He has worked with this cam extensively too. Lesson here: Make sure you have a really good dyno guy and make sure he has the brains and patience to work with whatever cam you choose. A good tuner shouldn't have any issues. The problem is, there is a lack of good tuner's.
Road Master
Joined: Sep 2013
Posts: 1,185
Likes: 248
From: Sterling IL.
I looked at that chart when you posted and read that. So it was tuned by dealer...visually ugly chart. What were its symptoms when riding?
Tourer
Joined: Jul 2016
Posts: 313
Likes: 51
From: Georgia
Generally not the improvement I expected with a cam change, and particularly the CR 570-2. Power was not that much improved, though throttle response was better. The dealer tune with new cams was only a few hp/tq more than the stage 1 tune (that the bike had when I bought it - used).
Stellar HDF Member
Joined: Mar 2012
Posts: 2,008
Likes: 596
From: Columbus, OH
That right there is powerful evidence of what a proper tune can do, see so many times guys refuse to pony up for the dyno tune or say "it's just cams" or "I'm not racing it" and are unhappy with mods they done and start looking for different cams big bore kits and every damn thing else. tune what you got properly first and if that's not enough then start making another build plan
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Tourer
Joined: Aug 2014
Posts: 468
Likes: 92
From: Illinois
i really like the andrews 48 H in my 96 and they say it does just as well in a 103
i can't stress enough how important a good dyno tuner is though, i've had mine dyno'd twice and although it performs very well i can tell its still not right
i can't stress enough how important a good dyno tuner is though, i've had mine dyno'd twice and although it performs very well i can tell its still not right
Stellar HDF Member
Joined: Aug 2015
Posts: 3,425
Likes: 1,418
From: pensacola fl
That right there is powerful evidence of what a proper tune can do, see so many times guys refuse to pony up for the dyno tune or say "it's just cams" or "I'm not racing it" and are unhappy with mods they done and start looking for different cams big bore kits and every damn thing else. tune what you got properly first and if that's not enough then start making another build plan
Exactly. How many people have said something similar and its tuned with a FP3?? Dyno tuning takes time, hours. Time is money and those dyno machines aren't cheap. When I was doing my build, the break-in and the tune were included in my budget. Took months for me to gather all the parts and to have the cash on hand for the dyno time. And I would dam sure do it again the same way
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