Which Cams for Fat Boy Lo?
I am going to look at the 204's too. McSarge, did you consider the 254 cams?
The SE255's in a 2010 made 84 hp and 103.6 ft lbs of torque a SE254 in the same bike made 89 hp and 101.8 ft lbs of torque. Depends on the setup of the bike.
I use my bike for mostly around town with a few 100 mile plus rides thrown in on the weekends. So I want quick acceleration. The 204's come on around 2000 rpm and pull hard as they go up. I know there a lot of cams out there and a lot of people love the TW6-6 in a stock 96. I just like the SE204 for the way I ride and I don't have to pay $400.00 plus for someone else's product. This is of course just my opinion.
I currently run a Thunderheader 2 into 1 exhaust and a SE Heavy Breather a/c. I am running a Thundermax Autotune fuel control unit with a custom map and I currently getting 78.26 HP and 95.52 Ft lbs of torque. With the 204's I am hoping I can get at least 102 ft lbs of torque 105 would be great. I will post up my results soon.
In this part of the country 95 #'s of tq with out a cam in a otherwise stock 96 would be very over inflated..
There are tuners that will and can produce high numbers by the way they set up the dyno.
Ours say they can do that too,, but there not trying to play the numbers game, there trying to get a good tune with real numbers
Our tuners do a SAE,, 4th gear pulls around here...
I know some other across the country still do STD's and 5th gear pulls which will give U around 5-8% better numbers....
Here. The average 103 kit with cams would do good to get 105#'s of TQ with mid 80's HP... thats without head work..
SEE the DYNO sheets below..
Heres what My son got when he put in the SE204's in both his 09 NT with BSL's and his.07 Deuce with BR's 2-2. The 07 had SERT and the 09 was with SEST.
both were tuned on the dyno...
Will add that they are great cam and come on strong around 2700,,Ideal for lighter bikes..
U can also see the 2-2 BR's has a lot more area under the curve...than the BSL's did..
Last edited by oct1949; Feb 14, 2018 at 03:57 AM.
I have altered the stock map I got from Zippers. I moved the timing advance up a bit and had it start a little earlier than the conservative way they had it set up. The change in timing really made a difference in waking up the bike it revs up quickly and pulls really strong. It also cooled the motor off big time, I also altered the fuel in the cruise area to try to get it to improve the mileage a bit.
The dealer installed SE204 cams. I have a Vance & Hinds big shots.
The carb and exhaust were modified and it dynos out at 79.18HP and 96.54 Torque. Performs well on the street and mileage is mid to high forties.

I love the way the bike goes now, decent low down but really flies when I wind it up which is how I like it. I have ordered D&D Lowcats though to try and bring up the TQ a little down low whilst not sacrificing up top.
agree also most tourers or heavy two upper that still otherwise stock find them a little lazy under 3k..
That 45 intake close moves the line to the right for just otherwise stockers.
Last edited by oct1949; Sep 6, 2010 at 03:29 PM.
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