Going 103???
Road Captain
Joined: Apr 2011
Posts: 529
Likes: 1
From: Illinois
Don't know if I can get to 10.2 with the cast flat tops? I got confused between the TTS and Thundermax. Talked to the 2 tuners around I'd use and one likes tts, other PC? Shop without dyno uses PC other Shop says Thundermax? All say SEPTS is proprietary, overpriced, limited? It looks to me the PC vision offers features of both PC and TTS plus auto Tune??? I do like the auto tune Idea mostly because there seems to be few good tuners out there, or so I hear. I also don't like unhooking the O2s? Never getting into closed loop doesn't make sense to me?
Don't know if I can get to 10.2 with the cast flat tops? I got confused between the TTS and Thundermax. Talked to the 2 tuners around I'd use and one likes tts, other PC? Shop without dyno uses PC other Shop says Thundermax? All say SEPTS is proprietary, overpriced, limited? It looks to me the PC vision offers features of both PC and TTS plus auto Tune??? I do like the auto tune Idea mostly because there seems to be few good tuners out there, or so I hear. I also don't like unhooking the O2s? Never getting into closed loop doesn't make sense to me?
Road Captain
Joined: Nov 2010
Posts: 502
Likes: 0
From: Roads of Idaho
Just did a 103 stage 2 with se 255 cams. No head work needed. Still breaking it in and have to wait for dyno. The power difference is amazing. Puts the mph at 80 at 3k rpm. In 6th gear. Hit the throttle and it sets you back in the seat. Love it. Will post numbers when tuned
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Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
Likes: 143
From: Santa Cruz
Well, I finally got my bike back??? Put almost 300 break-in miles on yesterday. Not impressed at this point??? I hope it's a really bad tune (went with a PC5)?? They said it was set rich for break-in? It runs ok, there is a little stumble off idle, but not really much improvement over stock?? I'll get another couple hundred miles on and take it back. On the plus side, the SE compensator stopped the primary clunk and the SE clutch spring doesn't make the pull much more than stock.
Last edited by 0ldhippie; Jun 3, 2012 at 02:59 PM.
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Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
Likes: 143
From: Santa Cruz
OK another update. I got the 500 miles on and service done. They installed an autotune and told me to ride another 1000 miles then they will recheck the tune. It runs much better but mileage still sucks! It isn't fast (I also ride sport bikes) but better than stock and now has tolerable passing power. Runs much easier in 6th at 70-90. I can actually see 100 pretty easily (like 85-90 before). But all in all I'm not sure it was worth the 2500+ bucks to get it all done??? I'll put some more miles on and get back to ya.
I went 106 simply because it cost was cheaper than going with a 103( in Canada we pay the Deeley tax) so it was a no brainer. I got 107hp/115tq. None of my friends can keep up and cruising at 70mph I get 45mpg.
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Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
Likes: 143
From: Santa Cruz
I know this is my old thread but I finally got around to putting it on a dyno and getting it tuned (J T & S Performance). Started out with 104 ft lbs and 96 hp but the fuel ratio was screwed! Rich at both ends and lean in the middle with Fuelmoto canned map plus auto tune? Tunning only brought the peaks up to 109 ft lbs and 99 hp but it does run nicer and I'm hoping for better fuel mileage? Pretty sure it would get more HP by raising the rev limit because it is making peak hp at the rev limiter and still has good torque there? I really don't need to twist it that far? May last a little longer with the lower limit? I am pretty surprised with the results? I really didn't think it had that much power? I guess these heavy bikes really need A LOT of power to excite me? Asked the guys how there dyno reads and they said reads pretty normal, about 5% lower than most dynojets. They were impressed for stock heads and header. Nice torque over 100 ft lbs from 2500 past 5000! Guess it was worth it!
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