Looking for advice on an engine build
#1
Looking for advice on an engine build
Hey everyone,
I am tearing down my Ultra tomorrow to put a 103" kit in it and once I am done with it I am going to be looking to do a BB kit to the Fatbob. I'm building the Ultra on the conservative side because I do some longer range trips and lower octane fuel can be a small problem. On the fatbob I am looking for something to ride primarily around town and on shorter day rides to weekend rides(less than say 700 miles a weekend). I'm looking for something that has alot of power through the mid range.
I currently have a V&H 2-1 big radius pipe, se Hi perf. a/c kit, and a pc5 from fuel moto. The bike runs alot stronger than my ultra but I'm looking for something that has a very strong mid range powerband.
I was thinking about installing:
107" Kit(brand?)
??? cams(looking for suggestions in that powerband range)
Oil cooler
adjustable pushrods
30 or 31T front pulley
Send heads off to big boyz for head work and install compression releases.
Am I on the right track for what I'm wanting? What do you guys think I should use for the engine kit and cams? Also is the front pulley gonna make the power more usable? Most of the fatbob riding is around town with some shorter interstate runs (75-80)but also sees some highway riding on the weekends which puts it around 60-65mph on average.
I have a paint set coming from vivid dragon in a few weeks and would like to do the motor work while I have the tank off. Then the only other major thing I have to figure out is a set of wheels for the fat bob.
I am tearing down my Ultra tomorrow to put a 103" kit in it and once I am done with it I am going to be looking to do a BB kit to the Fatbob. I'm building the Ultra on the conservative side because I do some longer range trips and lower octane fuel can be a small problem. On the fatbob I am looking for something to ride primarily around town and on shorter day rides to weekend rides(less than say 700 miles a weekend). I'm looking for something that has alot of power through the mid range.
I currently have a V&H 2-1 big radius pipe, se Hi perf. a/c kit, and a pc5 from fuel moto. The bike runs alot stronger than my ultra but I'm looking for something that has a very strong mid range powerband.
I was thinking about installing:
107" Kit(brand?)
??? cams(looking for suggestions in that powerband range)
Oil cooler
adjustable pushrods
30 or 31T front pulley
Send heads off to big boyz for head work and install compression releases.
Am I on the right track for what I'm wanting? What do you guys think I should use for the engine kit and cams? Also is the front pulley gonna make the power more usable? Most of the fatbob riding is around town with some shorter interstate runs (75-80)but also sees some highway riding on the weekends which puts it around 60-65mph on average.
I have a paint set coming from vivid dragon in a few weeks and would like to do the motor work while I have the tank off. Then the only other major thing I have to figure out is a set of wheels for the fat bob.
#2
107" kit look at the Axtell. Heads, I've heard good things about big boyz I had Head Designs by Dewey do mine, you are on the right track with what you have posted, the biggest gains will be from the head work. Look online at head porters and check their dyno sheets. Big Boyz, Deweys, Hildreth Performance might be an option for you as he is in Alabama. Cams depends on your riding style. Many to choose from. Ask the head porter you choose what he reccomends, thats what i would do.
http://www.hildrethperformance.com/
http://www.hildrethperformance.com/
Last edited by thedonthere; 08-18-2009 at 04:48 PM. Reason: add link
#3
Thanks for the info. The main reason I am wanting to use Big Boyz is because the guy that is gonna build my motor has dealt with him alot in the past and he took alot of time to answer some questions on my Ultra build. He seems very reputable and I don't mind waiting a little extra time just for a little extra peace of mind knowing it is right.
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