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Old 09-12-2009, 04:49 PM   #1 (permalink)
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Join Date: Aug 2009
Location: Magnolia, Texas
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Considering Engine upgrade

I have a 2008 Road King that the dealer installed a 103 kit, SE 255 cam and racer tuner. Since they didn't address the intake or exhaust I had them install the Stage 2 intake, filter and put D&D 2 into 1 exhaust on the bike. It dyno'd at 97 ft lbs torque and 79 hp. Which I thought seemed low on the HP. Wanted a little more power and have talked two performance shops about an S&S 551 cam, Porting heads and a Power Commander to get the torque up another 8-10 and the HP up close to 100. Both shops have said the combination is fine and will help. They also said I should be close to the number already, saying both torque and hp should lightly above a hundred with what's already done to the bike. Anyone out there have any idea what the motor should be making as it is and is what I'm considering a descent way to go for the future. Any help would be appreciated

JoJeff
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Old 09-16-2009, 09:52 AM   #2 (permalink)
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I believe it depends on the Dyno and its calibration. possibly how they are rating horsepower. in what gear are they rating it or is it and average. if you check it on 3 different dynos, you will get 3 different answers.
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