96ci to 113ci?
Ultimate HDF Member
Joined: May 2008
Posts: 7,439
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From: 'Noke, VA
As the owner of that bike, I can tell you that it's an entertaining build. You're not turning balancers like I am, so I'd think you could get right around that 120/120 point. We'll see how I feel in a year, but I can't really see needing more than what this build delivers. On a light bike like a Softail or Dyna, this is a rockin' combination.
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3rd Gear
Joined: Oct 2009
Posts: 7
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From: Columbia Falls, MT
Thanks for all the great responses. though now i am curious about going bigger if the cost is relatively the same. Does anyone know the cost range of upgrading to a 117ci? I would be interested in doing this upgrade though as i said i put on a healthy amount of miles, and want something that will support that and be dependable without having to break the motor down next winter to fix a bunch of issues. i want something with lasting durability that will give me the performance i am looking for, the one thing i have seen expressed is the dependability factor. To me, bigger is better, but only if it continues to perform for years to come. I dont want something that is going to give me a headache during a 3000+ mile ride. Or have to break it down afterwards just to keep riding. i am looking at spending between 4-5000 on this project, and will be adding new pipes, intake, etc, to whatever i biuld, I need this thing to be fast, loud and DEPENDABLE.
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Joined: Mar 2007
Posts: 3,706
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From: Woodstock, Ont , Can
Any decent builder will true these new cyls to .005 over pistons and eliminate that aspect. Anything else I need to know about them that should be of concern?
Ron
Ron
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Joined: Mar 2007
Posts: 3,706
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From: Woodstock, Ont , Can
Thanks for all the great responses. though now i am curious about going bigger if the cost is relatively the same. Does anyone know the cost range of upgrading to a 117ci? I would be interested in doing this upgrade though as i said i put on a healthy amount of miles, and want something that will support that and be dependable without having to break the motor down next winter to fix a bunch of issues. i want something with lasting durability that will give me the performance i am looking for, the one thing i have seen expressed is the dependability factor. To me, bigger is better, but only if it continues to perform for years to come. I dont want something that is going to give me a headache during a 3000+ mile ride. Or have to break it down afterwards just to keep riding. i am looking at spending between 4-5000 on this project, and will be adding new pipes, intake, etc, to whatever i biuld, I need this thing to be fast, loud and DEPENDABLE.
Ron
Banned
Joined: Sep 2009
Posts: 3,569
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From: deland,florida
make sure its true,and weld it.have someone weld thats done it,when we do it,we dont use any rod,just marry the 2 metals together,not to affect any balance factors
kirby
vee twin racing
kirby
vee twin racing
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HDF Community Team
Joined: Jun 2006
Posts: 12,782
Likes: 2,610
From: san antonio
A 107" build, built right, will get close to the numbers you want and cost less. Any upgrade in displacement would justify having the Hoban treatment to the crank. So, once you do that, you are not looking at a significant difference to go as big as you want.
However, something not often mentioned when talking about a "big" build is the overall impact on rideability. Along with big displacement comes more vibration and more engine heat. A large displacement engine can over power the frame that was not designed for 130 foot pounds of torque, not to mention the additional strain on drive belt, starter/battery, clutch, engine mounts, primary mechanics, etc.
I have nothing against large displacement builds, one of mine is an all bore 107" and has more power than I can really use. If you have never been around or ridden a large displacement build (I don't consider 107 a large displacement build) you might want to check one out before you go down that road. Since you have emphasized DEPENDABILITY, I think it is fair to say that the duty cycle of certain components will be shorter in a big build than in stock configuration and that stuff is more likely to break in a big build than in stock configuration.
Not trying to talk anybody out of a large displacement build, just pointing out a few things that often go unmentioned. The big engine guys may take exception to this but just something to think about.
BTW, $4k-$5k probably won't get the job done.
However, something not often mentioned when talking about a "big" build is the overall impact on rideability. Along with big displacement comes more vibration and more engine heat. A large displacement engine can over power the frame that was not designed for 130 foot pounds of torque, not to mention the additional strain on drive belt, starter/battery, clutch, engine mounts, primary mechanics, etc.
I have nothing against large displacement builds, one of mine is an all bore 107" and has more power than I can really use. If you have never been around or ridden a large displacement build (I don't consider 107 a large displacement build) you might want to check one out before you go down that road. Since you have emphasized DEPENDABILITY, I think it is fair to say that the duty cycle of certain components will be shorter in a big build than in stock configuration and that stuff is more likely to break in a big build than in stock configuration.
Not trying to talk anybody out of a large displacement build, just pointing out a few things that often go unmentioned. The big engine guys may take exception to this but just something to think about.
BTW, $4k-$5k probably won't get the job done.
Last edited by djl; Oct 29, 2009 at 08:23 PM.
Ultimate HDF Member
Joined: May 2008
Posts: 7,439
Likes: 884
From: 'Noke, VA
The other question is, "how much do you really need?".
I went from 88 to 103. I picked up 45 horsepower and 40 lb-ft. I also spent more than $4,000-$5,000. I'm absolutely satisfied with my build. In hindsight, do I wish I'd gone 107 or 110 or 113 or 117? Not really. I don't have to worry about breaking belts or blowing apart my spoked wheels.
And seriously, it's a Harley, not a Ninja. I need something that can get me through the mountains with a passenger and luggage onboard.
Build it strong, and build it to last.
I went from 88 to 103. I picked up 45 horsepower and 40 lb-ft. I also spent more than $4,000-$5,000. I'm absolutely satisfied with my build. In hindsight, do I wish I'd gone 107 or 110 or 113 or 117? Not really. I don't have to worry about breaking belts or blowing apart my spoked wheels.
And seriously, it's a Harley, not a Ninja. I need something that can get me through the mountains with a passenger and luggage onboard.
Build it strong, and build it to last.