From the original thread: https://www.hdforums.com/forum/touri...no-charts.html

As some of you know I have been working on offering cams alongside our Power Packages for the 96" bikes for those who are looking to take the next step in performance. Over the past year I have been studying cam profiles and lobe centers as well as analyzing dyno charts from many of the bikes/builds and combinations we have tuned. We wanted to offer drop in cams with good power gains and most importantly we needed a cam that will complement our components. We have tuned 100's of mismatched combinations that made low or poor numbers and knew we could put together a package and improve on what we typically see. I talked with Bob Woods on several occasions and his straight forward and honest approach to business is a very good fit with ours and most importantly his knowlege of cams is second to none. We talked specifically about a cam for what we were looking for and we both agreed the TW6-6 should be a great fit, especially because our Jackpot mufflers and 2/1/2 headpipe are developed primarily for bottom end torque yet we still wanted a good Hp increase so we got a set to test. We swapped the cams, I loaded a PC-V map for a similar setup that we tuned and took the bike for a 15 minute ride with the PC-V/Auto Tune enabled. I could immediately feel the difference in performance, bottom end torque was smooth and signifigantly increased and the throttle response is much better with greatly increased overall power. Idle has a bit of a loap and sounds more agressive. The cams and valvetrain are as quiet as stock, overall the bike ran very well with our PC-V base map and Auto Tune. Got back to the shop and plugged into a laptop to view the fuel trims and was impressed that the Auto Tune had made changes to the base map almost identical to what I was expecting. The Auto Tune is one of the single most powerful tuning tools available and really works well. Put it up on the dyno and spent a few hours datalogging and tuning the fuel and igntion timing tables and the final numbers were 93Hp/103Tq. The torque is very strong from 2000 RPM's especially in the 3K RPM range. This testing was done on a 09 Touring models and the combination consists of Woods TW6-6 cams, Jackpot Dyno Tuned mufflers, Jackpot 2/1/2 headpipe, Fuel Moto Stage 1 air cleaner, and Dynojet PC-V (Auto Tune optional) Came in the next day, got the bike up to operating temp made some runs and laid down the same numbers.




http://www.youtube.com/watch?v=Oai8aF6iTw4

http://www.youtube.com/watch?v=6SPs6-pPhqE

 

Jaime,

Do you plan to do any testing with this cam in your 2010 SG? I'm interested in how it will perform with your stage 1 kit and the stock headpipe.

 

We will be doing some cam testing on our 2010 SG, I would expect 4-6 less HP/Tq with the stock 2/1 catalyst headpipe. However we are also now in the process of developing a Jackpot 2/1 stainless replacement headpipe as well.

 

Jamie,

IMO, great numbers for a stage 1 with cams. I had the same experience with Bob Woods, very knowledgeable and fun to talk to. How does the TW6-6 map compare to the 255 map with the same configuration? I have a buddy that is thinking 255's but I suggested the TW6-6 based on what Bob said. Personally, I'm going with the TW-7H and stage 3 heads. Any help would be appreciated. thanks.

 

The TW6-6 and SE255 cams make similar #s up to about 2750 RPM, after that the TW6-6 makes substantantially more Hp/Tq

 

But does the tw6-6 come on as early as the 255..?

 

Yes, the TW6-6 comes on as early as the SE 255.