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SE 255's in a 2011 SG 103": Anyone Not Like This Combo?

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Old 04-21-2011, 05:23 PM
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Default SE 255's in a 2011 SG 103": Anyone Not Like This Combo?

2011 Street Glide w/103". Here's what I've got so far:

HD Stage I AC
Jackpot 2-1-2 Head pipe
Big City Thundermonster QQ quiet baffles
Rinehart 4" slip-ons

Thinking about adding SE 255 cams, TTS tuner, and a spin on the Dyno.

I do 80% solo riding and shift at ~3250-3500 RPM.

Has anyone tried this recipe and not liked it?

Thanks
 

Last edited by drspencer; 04-21-2011 at 05:44 PM.
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Old 04-21-2011, 05:32 PM
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You'll have ample pull up to about 3600 - 3800. After that funs over. But by the time the funs over your doing about 110 mph..personally the tq and power is where I like it. 96...not 103 though.
 
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Old 04-21-2011, 05:39 PM
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Originally Posted by Gliden
You'll have ample pull up to about 3600 - 3800. After that funs over. But by the time the funs over your doing about 110 mph..personally the tq and power is where I like it. 96...not 103 though.

Please describe what is feels like when "the fun's over" after 3800 RPM.

Does the bike simply stop going faster, requiring an up-shift?

Is it obvious? Disappointing?

Thanks
 
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Old 04-21-2011, 06:03 PM
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Good cam low and mid range torque. Sure theres others. had them in an 09 ultra pulled well upto 4500 to 5000 RPMs maybe you would notice falling off on a piece of paper from dyno but i never did.Traded for 2011 LMTD. used SE254e tryin somethin different think woods 555s be a good choice also. Oh the 09 was a 103 ci motor also. Would have used again just tryin somethin different.
 

Last edited by Rich67; 04-21-2011 at 06:07 PM.
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Old 04-21-2011, 06:52 PM
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I have the setup you see in my sig. 104 ft/lbs TQ at 3526 rpm and still over 100 till about 4100 rpms. If you shift where you say you do, they'll be fine for you. That said, if I had a 103" and a little higher compression there MAY be better choices. If you have higher compression and any headwork, there's probably better choices.
 
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Old 04-21-2011, 07:12 PM
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Good friend of mine had the 103/255 combo in his bike. I've got the 103/204 with SE rockers in mine. He had his bike dyno'd a couple of times, and in the summer months, he had issues with detonation, which required a re-tune. He just wasn't as fast as my bike, no matter how it was tuned, and so over the winter, he built a 107/54. I'll let him have this summer, but am collecting parts for my next upgrade.

Don't confuse dyno charts with on the street performance.

I've also put the 255s in a 96, and was very happy with that bike. No detonation issues whatsoever.
 

Last edited by Mike; 04-22-2011 at 04:04 AM.
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Old 04-21-2011, 07:34 PM
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I like Cycle Rama CR 575 Cams, alot of torque and quiet
 
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Old 04-21-2011, 10:25 PM
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Tell ya what...leave the cams alone, and keep what ya got done...no sense opening up a new engine.. you may run into trouble...look at other postes...more issues with cams in new engine...to me not worth it...
 
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Old 04-22-2011, 12:17 AM
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Originally Posted by drspencer
Please describe what is feels like when "the fun's over" after 3800 RPM.

Does the bike simply stop going faster, requiring an up-shift?

Is it obvious? Disappointing?

Thanks
I'm running 255s in my SE103 and I can say that the fun definitely isn't over after 3800 rpm, it keeps pulling hard till I hit the rev limiter. Other cams may pull harder in the higher rpms but the 255s are still fun up there.
 
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Old 04-22-2011, 12:35 AM
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+1 on 255 cams
 


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