Need your input about engine upgrade.

[BillyBob]

Looking at going to the HD stage 4 -110 from the 103 or the fuel moto 107. Any opinions what might be the best option?

Thanks in advance- Bill


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[Mojo]

Bill- One things for sure, you can't go wrong with Fuel Moto. Jaime has done it all!

 

[hulkss]

I like that kit H-D calls the Tire Shredder.

 

[buckshot85]

FM 107.
No question about it.

 

[shaochieh.young]

Elaborate why FM 107?


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[buckshot85]

I believe you will get as much power and torque out of the FM kit with a thicker cylinder wall. The Hd kit uses a thin wall spigot. The FM kit I believe will have .032 thicker cylinder walls. I could be wrong. FM also gives you free map tweaks if running issues crop up. HD will always charge for another dyno. A dyno is not always needed. The map can be tweaked by email if you have the right tuner.

 

[shaochieh.young]

How about their 110 kits?


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[BillyBob]

Yes I guess they do have a 110 kit. Didn't realize they had that.
Looks like it runs about the same price.


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