When to do a big bore?
Outstanding HDF Member
Joined: Jan 2007
Posts: 2,598
Likes: 19
From: Naples FL / Pine TWP PA
The 255 cams run on the hot side around town. So they tend to want to ping if the motor is is hot and not properly tuned. They are a great torque touring cam but not so great around town driving in traffic. You can tune the heat out of them but like everything there is a price to pay. I like my 255s but I spent a lot of time working on pinging and heat issues. If you are out touring in the mountains and not sitting in traffic nothing beats them. If you do a lot of in town riding and sitting in traffic there are probably better picks. My understand is the 254E cams are a little better with heat management at the cost of shifting the power band a couple hundred RPM to the right. They came out after I installed the 255s.
Last edited by FX4; Jun 11, 2014 at 12:20 PM.
Outstanding HDF Member
Joined: Dec 2008
Posts: 2,007
Likes: 353
From: Ohio
... If you do a lot of in town riding and sitting in traffic their are probably better picks. My understand is the 254E cams are a little better with heat management at the cost of shifting the power band a couple hundred RPM to the right. They came out after I installed the 255s.
Tourer
Joined: Mar 2010
Posts: 428
Likes: 35
From: Calgary Alberta Canada
I"m a big guy so I'm like riding two up all the time. I bought my used 2008 SG knowing I would ride the 96 for a year then do the FM107 build. It runs fantastic. The base tune they sent me was a great start and the PV tuner has slowly made it run better and better.
And as a reference as stated that the 103 is also good, well good yes but coming from a 96 you are going to love the 107. I had a run against a 103 on a dyna style bike with no bags and only his bike (small guy too) against my fully loaded (luggage) Street Glide.
As he put it, "Wow, I shifted down, you shifted down and then you were gone like I was sitting still. Just your taillight twinkling up ahead" Lol . And then , "I WANT A 107"
I don't need the fastest bike as long as I"m not the slowest. LOL
And as a reference as stated that the 103 is also good, well good yes but coming from a 96 you are going to love the 107. I had a run against a 103 on a dyna style bike with no bags and only his bike (small guy too) against my fully loaded (luggage) Street Glide.
As he put it, "Wow, I shifted down, you shifted down and then you were gone like I was sitting still. Just your taillight twinkling up ahead" Lol . And then , "I WANT A 107"
I don't need the fastest bike as long as I"m not the slowest. LOL
My favorite cams for the 103 motor is still the SE204s. I like the 255s for the TC96.
Road Warrior
Joined: Jan 2007
Posts: 1,415
Likes: 17
From: Belmont, MI
I was doing that with my 98". It pissed off a couple of them. It's even easier with my 120"
One problem though is I've been looking at new bikes and I would have to give up the big motor....at least for the first year until I put the funds together to do another build. I keep telling myself I won't on my next bike......but I know I will.
Rick
One problem though is I've been looking at new bikes and I would have to give up the big motor....at least for the first year until I put the funds together to do another build. I keep telling myself I won't on my next bike......but I know I will.Rick
Last edited by Egldr05; Jun 16, 2014 at 06:55 PM.
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Road Captain
Joined: Jul 2012
Posts: 687
Likes: 1
From: Texas
A well tuned 107 with a little head work will leave a Goldwing behind. Mine does.
Road Warrior
Joined: Mar 2010
Posts: 1,290
Likes: 7
From: D/FW Texas
LMAO ! Well said ! Had Steve build a GMR 106 in my 2006 Ultra last summer...122 hp / 119 tq. It runs circles around the CVO 110's.