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Performance examples to compare
Two 2004 97in. Bikes.... Torque vs Horsepower...... click
Touring with mid range power vs higher horsepower in higher r.p.m. for a more aggressive riding style. The higher
horsepower engine will demand about $ 2000.00 more for options. While the higher torque engine uses
stock valve sizes.
Two 2010 Limited 103 touring bikes ...... click
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........These two 2010 bikes and are basic in there upgrades and are very dependable, running pump gas, stock 103
comp. ratio and stock cranking pressures, tuning tools are hd pro tuner and tts master tune. The goal in the final product
was to gain torque to move a heavy bike 2 up with ease.
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1. The red run is a stock limited with pipes, a/c, tune, 85.4 hp
2. The purple run is a stock 103 limited with 110+ heads, 79.1 hp, not a good idea
3. The blue run is a stock 103 limited with cams, pipes, a/c, tune, 97.1 hp
4. The green run is a limited with cams, pipes, a/c, tune and
porting with stock valve sizes, 105.4 hp
Best 103 stock head and valve combo. for torque on 2007 and up ... click ...
When using your cylinders, heads and throttle body the costs are drastically reduced.
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