110 or 103 with headwork
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Joined: Sep 2007
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110 or 103 with headwork
I will be installing a big bore kit within several weeks. I have heard pros & cons about the 110 builds. My question is this: what would provide the most power and reliability, the 103 with headwork or the 110 kit?
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Road Warrior
Joined: Jun 2006
Posts: 1,291
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RE: 110 or 103 with headwork
A well built 103 , with the same $$ invested will deliver more .
Latus HD dyno'd a stock 110 FLHTCUSE (CVO Ultra) at 82hp /100.54 lbs ft
see http://www.latus-harley-davidson.com...mid=4667#M4667
Nicely done 103 with heads /cams - 119.96hp/ 115.91 lbs ft
see http://www.latus-harley-davidson.com...mid=2080#M2080
Factor in the cost of doing the case bore to accomodate the 110 and it is not your best bang for the buck. .
Latus HD dyno'd a stock 110 FLHTCUSE (CVO Ultra) at 82hp /100.54 lbs ft
see http://www.latus-harley-davidson.com...mid=4667#M4667
Nicely done 103 with heads /cams - 119.96hp/ 115.91 lbs ft
see http://www.latus-harley-davidson.com...mid=2080#M2080
Factor in the cost of doing the case bore to accomodate the 110 and it is not your best bang for the buck. .
Road Captain
Joined: Oct 2006
Posts: 630
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From:
RE: 110 or 103 with headwork
The stock 110 has the same EPA restrictions as the 96 and 103 stock.
I have the 110 and love it. $3600 installed. However, I added Rinehart TD, SERT and SE A/C to my bike as well. Now it gets 99hp/115tq. The tq curves for the 110 are wider than the 103.
Anyway, it is your choice. I had my brother ride my 110 this past weekend - he was absolutely floored over the performance.
I plan to have my heads ported and polished in 2 years after my warranty is up, and possibly install different cams, but we shall see.
I have the 110 and love it. $3600 installed. However, I added Rinehart TD, SERT and SE A/C to my bike as well. Now it gets 99hp/115tq. The tq curves for the 110 are wider than the 103.
Anyway, it is your choice. I had my brother ride my 110 this past weekend - he was absolutely floored over the performance.
I plan to have my heads ported and polished in 2 years after my warranty is up, and possibly install different cams, but we shall see.
Ultimate HDF Member
Joined: Feb 2006
Posts: 5,939
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From: TX
RE: 110 or 103 with headwork
ORIGINAL: madurodave
Just curious - any dyno runs yet? Hp/Tq?
ORIGINAL: old.gezr
Look at a 107" build. You don't have to split the cases and it's not much more than a 103".
Look at a 107" build. You don't have to split the cases and it's not much more than a 103".
Ultimate HDF Member
Joined: Feb 2007
Posts: 7,663
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From: Northeast Ohio
RE: 110 or 103 with headwork
Don't bother going to the 110", you have to bore the cases....the 107's are basically bolt ons and are killer packages. A properly built 103 will give you somewhere in the range of 112/118 plus or minus a few hp and tq.
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RE: 110 or 103 with headwork
Sounds like the 103 package with a little headwork is the way to go. Who would yousuggest do the work? I'mlooking for maximum torque between 2500-4000 RPM. I never cruise faster than 75-80 on the freeway.
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