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[Liljimmylv]

I've got a stage 1 (propipe, s&s induction intake & sert) but my 110 is still left wanting. I don't want to do heads (just yet, or at all if I can avoid it) but I need more, everywhere! Cam swap is my next quest. I have looked into a few choices. I want the low end that comes with a 30-40 degree i/c. I want the lower running temp of a 28-40 overlap. And I want the legs of a duration in the 220-240 range. I know the stock 255 is a good low end cam but low end isn't all I want. So a compromise is in order. I'm thinking a little squish to help combustion and compression so cometic .030 h/g is likely on the build sheet. Question: The h/g should boost c/r to 9.7, or so I'm told, is that too much compression for a 34 degree i/c cam? Has anyone tried a tw222 with a .030 h/g? Or is it better suited to one of the later i/c cams like tw5-6 or 57h.    2nd Question: Are the 110 stock heads better suited for a .555 lift or will they work better with a .575 or .600 lift. Will intake velocity suffer too much at 2500-3500 rpm with a taller lift? Just curious about a tw7h vs tw6h or a tman 600.

I am primarily a hwy cruiser.  My ride is a 2010 flhrc with a new 110 crate engine(long story). I love turning onto the hwy with lots acceleration and also having the pwr to get out of trouble when I feel I'm getting closed in by traffic. And finally I like cruising at 80mph in 6th and simply twisting the throttle to pass them long semi b trains at 100mph. I had that with the 103 I built but the high compression and general over tune wasn't real durable, which explains the new 110 crate. So if anyone has a bit of experience with .030 h/g and early (34 - 38) i/c cams, I'd be interested in hearing about that set up.

pic of the detonation of my flat top 103, 10.5 c/r piston

[HD Street Performance]

Consider your choice and a .030hg, no milling and a good tune.

[HILLSIDECYCLE.COM]

That engine was going thru living hell to destory that forged piston like that.
Bet that was on the intake side of the piston?
Scott

[bulawrench]

I was thinking the same combo would be a cheap way to go. The torque cams and increase the compression.The dyna is lighter and i love the torque. I think as long as you have octain that can support higher compression it will always be better.

[Liljimmylv]

Okay, update time.  After much hesitation, deliberation and consternation, I installed a TW6H and a .030 cometic head gasket. And a fresh dyno tune. I lost my dyno chart somewhere between the dealer and home....I'll find it & post....but here's the end result. Bike had a stage 1 already so just changing cams went from 103 trq/94hp with 255 to a pretty awesome 113tq/106hp with the TW6H. Torque starts building at 2500rpm (100ft) where as the 255 was starting at 2200rpm. It's NOT noticed at take off, power is there from the start. I'm happy happy happy.

 "nothing says I'm over you, like a deer in the back of your pick up" J.R.