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[LarryB]

I feel, now this is just me, that the 05 TC88 was best, no epa, good platform to build from. drop a baker DD6 and off you go.

[Hoist!]

I feel, now this is just me, that the 05 TC88 was best, no epa, good platform to build from. drop a baker DD6 and off you go.

No Timkens by then Larry! That stopped in '02, when the TC's weren't 100% either yet. There is NO good factory TC year IMO!

Hoist!

[1jeep]

Well this is great news, i am not alone with this noise!! My bike just spent last month at the dealer getting a new engine due to overheating, in the end i fixed it by replaceing the the cat/exhaust/tuner. I still have that mid range top end clatter that i complained about. My 06 never had any of this noise before and after the 95" build, this 110 sounds like a ford powerstroke diesel.

$35k for a problematic bike that the moco denies any issues with.

[grc]

Well this is great news, i am not alone with this noise!! My bike just spent last month at the dealer getting a new engine due to overheating, in the end i fixed it by replaceing the the cat/exhaust/tuner. I still have that mid range top end clatter that i complained about. My 06 never had any of this noise before and after the 95" build, this 110 sounds like a ford powerstroke diesel.

$35k for a problematic bike that the moco denies any issues with.

Too bad it doesn't run as well as a PowerStroke.  If it did, maybe folks wouldn't mind the noise.  And btw, I haven't seen the current management of H-D admit to having any issues.

Jerry

[HD Street Performance]

This is a huge thread and I don't have the time to read all the posts but I know the piston slap has been discussed. More relevant and closer to the root cause IMO is just a valvetrain harmonic set up by the rather stiff valve springs, big heavy valves, and the short duration fast ramp cam. Yes I am speaking of the stock SE255. A change to the Andrews 32h left a stock motor very quiet IME. No other changes until we went for more power later in development.

[LarryB]

This is a huge thread and I don't have the time to read all the posts but I know the piston slap has been discussed. More relevant and closer to the root cause IMO is just a valvetrain harmonic set up by the rather stiff valve springs, big heavy valves, and the short duration fast ramp cam. Yes I am speaking of the stock SE255. A change to the Andrews 32h left a stock motor very quiet IME. No other changes until we went for more power later in development.

so you are in favor of the change to Andrews 32h cams?

[HD Street Performance]

Sure with a retune.

[LarryB]

Sure with a retune.

as in Mastertune etc.?

[HD Street Performance]

Sure but the SEST or direct link in the right hands can work well too.

[LarryB]

I here ya, but i have tuned with the TTS and really like their product.

[HD Street Performance]

Thats the key use what you are familiar with.

[djkak]

Well, why didn't you?
You, at a loss for words?

I don’t mean to speak for Hoist, he seems to be able to handle that OK. I couldn’t help but notice that Hoist speaks a New York dialect that is very difficult to understand without being able to observe his body language; mostly hand and finger gestures n’ stuff. When you factor in the Ethernet effect you really have to pay attention. Once you get it figured out, he makes perfect sense. 

So djkak, IYHO, would you rather own a 2006 Harley or a 2007?
The more I read about the motor changes made by Harley for year model 2007 forward the more I think a 2006 model year and earlier is a better choice.
Am I wrong?

SBB

IMHO, I believe the 2007 is hands down a better machine. The changes to the cam chest area alone make this an easy choice. The 6-speed + elimination of the starter jackshaft is a no brainer. I like the integration of the oil passages into the crankcase and transmission housing. Realizing there have been some growing pains with the IDS, I believe that a component like this is absolutely critical for any high performance street application, as is a high capacity motor sprocket. If I landed on a 2007 Twin Cam, I would run both the IDS and the big sprocket. If I had to do one before the other, I would choose the sprocket first.

My sense is that the increasing flywheel shift issues beginning in ‘07 are the result of drivetrain changes coupled with higher engine output which was not met with adequate torsional dampening of the drivetrain.

I understand the new high output XR1200 runs a spring dampened clutch to reduce torsional loads. The V-Rod uses clutch and rear sprocket dampening and the 1125 Buell uses clutch and trans drive sprocket dampening.

Twin Cam’s built prior to ’07 are not at all immune to flywheel shift. This is especially true of modified, higher output machines like a 2006 dragonfly green 1550 Road King. Your options may also be limited if you wish to reduce the high torsional loads that the crank and drivetrain of modified machine like this are subjected to.  jmho

[HD Street Performance]

I would take the 2006 hands down.
Same flywheel issues, the 5 speed is a big advantage over the 6sp DRAG (not Cruise) drive, better final drive gear ratio, the TB flows better and generally they are much easier to coax power out of to the tune of 10% more. If I wanted a 6 it would be a Baker DD6. Only con and easily changed the tensioners
HD used to stand for Hundred Dollar still the same but also Half Done. None of them are great but at least the earlier models were a stable platform to build up. They all can be fixed but that costs $$ and that is an insult after laying down 20-30+K for a new bike.The factory SE division continues on a pursuit of big long cams and big heads that run out the back door and the bottom ends that can't handle the load. Old news, and all of this keeps the aftermarket primed.

[StreetDog]

 Anyone have this motor noise from the 2010 CVO'S yet? The engineers at Harley know about all the noise from these 110 motors and Harley should be ASHAMED of their shotty problematic motor noise from piston slap and valvetrain noise. These are things that could be easily fixed. Can't tell me that they cannot build a quieter motor. Maybe they can get Porsche's engineers to help them fix these issues too. We all know how to fix these issues with quantity parts but we shouldn't have to spend money to correct cheaped out parts and shotty motor issues from the factory. I know I would rather spend another $1,000 for a well built machine that everyone could be proud of, and I'm sure many owners feel the same way. Only a matter of time people will get tired of having to spend thousands of dollars to FIX these noisy motors and other issues the factory releases. And they wonder why sells are down. Nobody likes pulling into your destination with everybody listening to your $35,000 noisy, knocking motor. Nice chrome, nice paint but what is that tapping, knocking, clicking sound? That will make you feel real good.    

[timo482]

all true
however

piston slap will get worse with larger bore at 45 degrees - so noise will be a issue over 103...
even VW gave up on air cooling combined with polution control - thus the overheating .....
i traded my 00 in on a 07 due to it have had the cam failure and i could see metal in the crankcase and all they changed was the cam case parts
my 07 has more power than the 00 but it drives the same.

if i had it to over today - id have kept the 00 & rebuilt it to a 103

if i could sell my 07 and get back the cash i put into it - id find a 00 or 01 and rebuild it.

*sigh*