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post #1 of 18 (permalink) Old 05-15-2013, 01:39 PM Thread Starter
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2012 103", Stage 2, SE255 Cams

When I first bought my bike last year I had the stage 1 stuff done before ever riding the bike. After the initial 500-mile break-in I had the cams added. Had I been a little smarter at the time I would not have taken the dealership's advise on the SE255 cams and would have made a better decision.

At any rate, it took over a month and about five attempts for the dealership to get it tuned to run okay. It wasn't until I rode it to Sturgis last year and got in extreme heat that it came to light that the bike ran absolutely horrible in the heat. I finally got around to getting the bike re-tuned, and here are the specs and numbers for comparison.

(Tuner was Jeff Flora at Flora Racing Heads in South Bend, IN

2012 RCC, 103", SE255 cams, SE Heavy Breather A/C, SERT, V&H true duals with monster oval mufflers.

After dealership dyno tune: 83 HP / 102 TQ
After Flora tune: 85 HP / 107.7 TQ

The bike feels like it is running good, but I haven't ridden enough after the tune to gauge fuel mileage and it hasn't been warm enough to see how it acts in heat above 85-deg.
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post #2 of 18 (permalink) Old 05-15-2013, 03:19 PM
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Yup a proper tune will make DIFFERENCE on how the biker performs. Looks like your good now.

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post #3 of 18 (permalink) Old 06-09-2013, 07:47 AM
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Quote:
Originally Posted by TLKurtz View Post
When I first bought my bike last year I had the stage 1 stuff done before ever riding the bike. After the initial 500-mile break-in I had the cams added. Had I been a little smarter at the time I would not have taken the dealership's advise on the SE255 cams and would have made a better decision.

At any rate, it took over a month and about five attempts for the dealership to get it tuned to run okay. It wasn't until I rode it to Sturgis last year and got in extreme heat that it came to light that the bike ran absolutely horrible in the heat. I finally got around to getting the bike re-tuned, and here are the specs and numbers for comparison.

(Tuner was Jeff Flora at Flora Racing Heads in South Bend, IN

2012 RCC, 103", SE255 cams, SE Heavy Breather A/C, SERT, V&H true duals with monster oval mufflers.

After dealership dyno tune: 83 HP / 102 TQ
After Flora tune: 85 HP / 107.7 TQ

The bike feels like it is running good, but I haven't ridden enough after the tune to gauge fuel mileage and it hasn't been warm enough to see how it acts in heat above 85-deg.
What choice of cams would you have made rather than the 255's? I'm doing my research now before I dyno, have 400 miles on it so in a few weeks cams and dyno will take place.
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post #4 of 18 (permalink) Old 06-09-2013, 02:44 PM
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Quote:
Originally Posted by TLKurtz View Post
When I first bought my bike last year I had the stage 1 stuff done before ever riding the bike. After the initial 500-mile break-in I had the cams added. Had I been a little smarter at the time I would not have taken the dealership's advise on the SE255 cams and would have made a better decision.

At any rate, it took over a month and about five attempts for the dealership to get it tuned to run okay. It wasn't until I rode it to Sturgis last year and got in extreme heat that it came to light that the bike ran absolutely horrible in the heat. I finally got around to getting the bike re-tuned, and here are the specs and numbers for comparison.

(Tuner was Jeff Flora at Flora Racing Heads in South Bend, IN

2012 RCC, 103", SE255 cams, SE Heavy Breather A/C, SERT, V&H true duals with monster oval mufflers.

After dealership dyno tune: 83 HP / 102 TQ
After Flora tune: 85 HP / 107.7 TQ

The bike feels like it is running good, but I haven't ridden enough after the tune to gauge fuel mileage and it hasn't been warm enough to see how it acts in heat above 85-deg.
Just remember not to focus solely on the WOT throttle numbers, even though understandably that is what everyone want's to see. Adjusting the a/f for a max effort pull is actually the easy part. If he got the rest of the map right, you will be thrilled with the difference.


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post #5 of 18 (permalink) Old 06-09-2013, 07:28 PM Thread Starter
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Quote:
Originally Posted by sampson104 View Post
What choice of cams would you have made rather than the 255's? I'm doing my research now before I dyno, have 400 miles on it so in a few weeks cams and dyno will take place.
I've been told the 254 cams make a better choice because they don't create as much cylinder pressure, you can get the same power out of them as the 255 cams, and they have a longer power band. I've got no experience with them, so have no way to verify. That is based on what I've been told.

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post #6 of 18 (permalink) Old 06-13-2013, 07:19 PM
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Originally Posted by TLKurtz View Post
I've been told the 254 cams make a better choice because they don't create as much cylinder pressure, you can get the same power out of them as the 255 cams, and they have a longer power band. I've got no experience with them, so have no way to verify. That is based on what I've been told.
I love my 254e cams. I was worried about fall off, but it rocks right up to redline. I've had the bike in the mountains, in the desert and in the Midwest humidity and the thing just keeps rocking, big smile!


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post #7 of 18 (permalink) Old 11-13-2013, 07:47 PM
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My dealer was pushing 255 cams at me too. Why don't you like them?
Thanks,

Kudu40
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post #8 of 18 (permalink) Old 11-13-2013, 08:34 PM
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I have 255 cams and I actually like them over stock. They give me the pull I wanted. There are hundreds of cams for sale. Your seat-of-the-pants reaction is what you're looking for. Everybody has an opinion ant that is mine.

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post #9 of 18 (permalink) Old 11-13-2013, 10:40 PM Thread Starter
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The SE255 cams definitely make decent power, but they also raise the cylinder pressure too high causing unnecessary heat. My understanding is that the SE254 cams will make just as much power without the extra cylinder pressure thus running a little cooler.

-TLKurtz (Mr. Wizard) - Blackhorse Cavalry Nomads VMG member (2/11 CAV - East/West German Border)
2015 RGS - Vivid Black and loads of fun.
Reside in Vegas. I keep cold beer in the fridge for all visitors.
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post #10 of 18 (permalink) Old 11-14-2013, 07:10 PM
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A good tune def makes all the difference. One without the restrictions that you'll get at a dealer. TTS with data runs and tweeking by someone fluent with the software for me every time hands down.

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