After my due diligence last September I settled on the aforementioned cam, looking for low to mid range power on my 2012 103" Road Glide, concentrating on the low end of the power spectrum. I have a Big Sucker A/C, V&H Power Dual header, V&H High Output slip on mufflers, and a Power Vision tuner.

After riding with the new cams for 10 weeks or so, I have come to the conclusion that the TW-222's are more of a mid range cam. Any of you that have the same cam agree with me? I'm just curious.

I am not unhappy, but the power band is not quite where I expected it to be....they really start to make power for my bike at around 3000-3200 RPM, where I expected it to be closer to the 2300-2500 RPM range. Maybe my "due diligence" wasn't as diligent as I thought it was (?)! When I am in the "power band" they're amazing.

Here's some details and some questions to consider when giving me your input....

-My tune is canned from Fuel Moto (pretty darn close, but not perfect I suspect)
-Timing needed to be tweaked a little, which Jaime did (seems better afterward)

? Is the answer to bringing the power band lower in the RPM range a good dyno tune, if even possible?
? Do any of you see your set up with these cams still making power at 100 MPH? I rarely go those speeds, but did yesterday just to see what the cams were giving me in a range where I would not expect them to still perform. (They were still making INCREDIBLE power at 100 MPH!)
? Is it possible that the power band is higher in the RPM range due to the fact that I have High Output mufflers on this setup?

Interested in others experience with these cams based on total set up.

Thank you.

 

Looking at some dyno charts of the 222 it seems they peak torque around 3000 give or take. They look pretty good at 2500 but the peak is closer to 3000-3200. I have the 555's and they are a bit farther to the right for peak but they really start pulling strong at about 2600 and peak about 3500-3700. In any case it seems you are feeling peak torque where it should be. Its about trade offs. No cam is going to peak at 2200 and have anything left at 4000, or at least I've not heard of one.

Sent from my Galaxy Nexus

 

I have 204 s e cams head work and race tuner , low and mid great , 92 hp 109 torgue very happy . bassiani pipes and mufflers

 

..by the way, i think at 100 mph (in sixth i'm assuming) you are likely in the top part of the power band for that cam. It's not the miles per hour, it's the rpms that matter.

 

I found the TW222 to be a big TQ improvement in the low end and mid range range, coming on at about 2400 rpm and pulling well through to 5000. Peak TQ is at about 3500. I also have the PV from FM and it ran very well with one of Jamie's maps but I did dyno it after and it does run smoother all the way through the rpm range after the dyno. A dyno tune is not going to change the power band, it does have the potential to improve how your bike runs across the whole rpm range though. Your high output mufflers will have little bearing on your power band being in the higher RPM range. Too bad you didn't have a baseline dyno done before your changes. You would have been able to see exactly what changes to the TQ and HP were and where in the rpm range they are.

 

It depends what ya call mid range? Contrary to popular belief, Harley motors don't make much power under 2500rpm, no matter the cams. 222s in your 103 ought to be pulling pretty good at 2500, but peak torque is still gonna be around 3500+. Ya still got a couple thousand rpm before ya hit stock rev limit... While most riding is done in the 2300-3500 range that really isn't "mid-range" and expecting strong power in the bottom end of the rpm range (2000-2500) just isn't realistic with any gasoline internal combustion engine, even "torque" Harley ones. That said a proper dyno tune is always a good idea.

 

That's a good point, and one that doesn't escape me. I now wish that I had looked at the RPM range I was in at that speed yesterday, but at that speed I was concerned with two things: the road, and the pull (feeling) as I rolled the throttle.

Sounds to me like I got what I bought, which as I said doesn't disappoint me, it's just that I was expecting lightly different.

 

What exhaust are you running? If your exhaust is set up more for high HP, your torque could be suffering. You might need a little more back pressure. Maybe a different baffle.

 

It pulls "okay" at 2500, but really pulls after 3000. Not sure where peak is, but I know it's still pulling strong well above 4000. Probably starts to lose steam at about 4500-4700 I'm guessing.

Rev limiter is now 6200, though I don't think I've ever hit that. Hope never to need to!

Thanks guys, for your input. All of them thus far are enlightening.

 

That's one of my thoughts. As mentioned, I have V&H High Output slipons, and there's no question that I'm losing a little on the bottom end. Conversely though, it seems apparent that what I've given up on the bottom with this muffler, I've gained on the top end. Not where I needed it, but it's fun to occasionally take it to the top just for S's & G's! OCCASIONALLY being the operative word!