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Author Topic: SE 251 cam in a 110?  (Read 55727 times)

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skyhook

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Re: SE 251 cam in a 110?
« Reply #165 on: November 16, 2008, 12:36:48 AM »
ah crap howie we gotta quit agreeing so much...I loved the 251 cams in a 103 with mcr heads (cleaned up, really the only se head I recommend) and 10.7 compression (requires special care and feeding)...they came on at 2700 like a madman!!!!...if they don't come on 'til 3500, something's wrong, most likely need more compression...but in egultrac's defense: some folks like the engine to pull hard from 2000 rpm and do not like the low load stumble of big-overlap cams...and the 255 and 203 fit the bill for those folks...personally I want a horsepower motor, am willing to keep revs above 3000 and I want it to pull to 6000 'cause I DO go there often!
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08 fxdse2, r&r heads, 257 cam, hpi 55mm t/body, supermeg

skyhook

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Re: SE 251 cam in a 110?
« Reply #166 on: November 16, 2008, 05:10:30 PM »
hey.man I agree...torque is cheap compared to horsepower...I like the 110 motor, and I understand the folks who want reliable, streetable performance
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08 fxdse2, r&r heads, 257 cam, hpi 55mm t/body, supermeg

skyhook

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Re: SE 251 cam in a 110?
« Reply #167 on: November 17, 2008, 12:54:23 AM »
just can't let it be...egultrac I believe your problem was tuning and/or loose squish
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08 fxdse2, r&r heads, 257 cam, hpi 55mm t/body, supermeg

hard10

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Re: SE 251 cam in a 110?
« Reply #168 on: April 22, 2009, 02:43:59 AM »
I was just wondering if anyone has finished this upgrade? I stopped by the shop yesterday and the bike was on the rack all torn apart. The 251's arrived and the Perfect Fit rods will be here today. I sure hope they listened to Hoist! and ordered the right size  ;D. The jugs have been honed and new rings are going in. The pistons looked real bad and may have to be changed. If anyone has done this build, is there a PCIII map I can use til it gets dynoed?
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hard10

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Re: SE 251 cam in a 110?
« Reply #169 on: April 22, 2009, 02:44:53 AM »
Like I said, the pistons didn't look too good:
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hard10

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Re: SE 251 cam in a 110?
« Reply #170 on: April 22, 2009, 02:45:39 AM »
Another piston shot
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hard10

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Re: SE 251 cam in a 110?
« Reply #171 on: April 22, 2009, 02:46:36 AM »
All apart
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hard10

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Re: SE 251 cam in a 110?
« Reply #172 on: April 22, 2009, 02:47:52 AM »
The crank runout will be checked in the next few days as well as the transmission leak.
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bisounours

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Re: SE 251 cam in a 110?
« Reply #173 on: April 22, 2009, 02:54:49 AM »
I've this upgrade on my '08 CUSE since 700 miles :
SE 251 cams, perfect fit pushrods and pistons high compression 10.5:1.

I use Pro Super Tuner with a MAP 205UJ004 modified (for SE 251cams but not for High compression)
This Map is near my upgrade but not the best.

It's a good improvement but I think with a good tuning, it'll be better.
« Last Edit: April 22, 2009, 02:59:59 AM by bisounours »
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********2007 FLHTCUSE2 Red/Black**********
 
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ragrep

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Re: SE 251 cam in a 110?
« Reply #174 on: April 22, 2009, 11:20:11 AM »
Hard10- what was the set up in your bike before the 251 cam change? tuner-pistons- cams ect- those pistions look like pretty bad.
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hard10

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Re: SE 251 cam in a 110?
« Reply #175 on: April 22, 2009, 11:56:41 AM »
Quote from: ragrep on April 22, 2009, 11:20:11 AM
Hard10- what was the set up in your bike before the 251 cam change? tuner-pistons- cams ect- those pistions look like pretty bad.

Pre install was: stock engine, PCIII w/ tune, Rhinehart True Dual pipes, SE RYO air cleaner.
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hard10

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Re: SE 251 cam in a 110?
« Reply #176 on: April 28, 2009, 07:43:19 PM »
Well, after some late night consultation (I still need Howie's input) I stopped down to look at the bike today. She's all torn apart:
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hard10

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Re: SE 251 cam in a 110?
« Reply #177 on: April 28, 2009, 07:44:36 PM »
Piston cleaned up but will still need to be replaced.
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hard10

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Re: SE 251 cam in a 110?
« Reply #178 on: April 28, 2009, 07:45:17 PM »
Another piston
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hard10

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Re: SE 251 cam in a 110?
« Reply #179 on: April 28, 2009, 07:46:29 PM »
This part actually looked good for 33k miles!
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