I have a 2003 Dyna FXD, put in a 98" Big Bore kit 2 years ago. 9.8:1 CR, stock heads Andrews 31 cams. It has 2-1 VH Pro-Pipe, High Flow AC, Carb re-jetted. HP is ~90, TQ is 100ft/lbs. I want more without going to 124 but I will if I have to. Would different heads/cams or headwork give me that much more to be worth it or should I just go to 124". This bike is ridden solo only. Thanks.

 

A 98" motor is capable of 115/115 numbers; just need the right parts that play well together. Different cam set ported heads and more compression will bump those numbers up respectably but not close to what a 124" motor will do. First thing you need to do is decide how much you are willing to spend and how fast you want to go; somewhere in between is probably the answer.

 

Thanks!!!!

 

 

I don't think the money spent will produce the feel your looking for.. Do the 124"er.... you won't look back...