I hope this is a passing phase, but after the cam upgrade over the winter, I've been paying more attention to the big bore posts. A 107 or 110 kit might be a good place for me to start. I'm concerned about some of the issues like pinging or losing any comfort on longer trips. It looks like S&S and GMR have some good kits out there! I'm looking for more torque in the bottom and mid-range. I don't know what I'm going to do. Just when I think I'm done for awhile, I read this forum and get that itch!

 

I've been a hot rodder my whole life, and if more is good, then lots more is better and too much is just right.

 

I'm going BIG real soon......

 

Well you could get the S&S 106 BB kit ($560)and do it yourself, took me a day, next one will be quicker. If you dont raise compression dont worry about pinging. I have your cam thread tagged, you took longer to hit this stage than I thought you would.

But if ya want "all in" read this thread and think about it a while.

https://www.hdforums.com/forum/touri...new-motor.html

 

There's nothing better than big displacement and a deep thunder exhaust tone. Be sure to get good head work and a competant dyno tune.

 

That price looks pretty good! Did you have any work done on the heads? As soon as I put the new cams in, I knew I would eventually crack and start planning for more power! It's going to have to be a winter project though.

 

If you are going to do any type of big bore, do not short change yourself and skip the heads. A nice port, polish and valve job will make the motor very happy.

 

That S&S 106 kit is looking very good to me , right now I'm trying to decide whether to use the SE255 cams I have now with the kit or go with a different cam!

 

Had my eye on the TW6-6 for quite some time and had told myself that's all I'm gonna do; 96" is more than enough, just needs a little 'tweaking', right? Long story short, went with Steve @ GMR's 107 kit and I'm enjoying the hell out of my bike now, nice low compression build (10.1), runs strong from just about any rpm or gear. Steve was a good guy to deal with and I've got no complaints; would definetly do business with them again and probably will

 

Good luck on the "passing phase" part..... I'm sure you don't have to ask how I know....

Compression increases aren't an issue (relatively speaking) if you plan for it. Your 6-6 cams like it around 10:1 or slightly over so a 107" set to 10:1 would be a good way to go. Whoever is doing your tune should be able to dial it in so pinging isn't an issue.