Harley Stock Cam

QuestionI would think the air filter and pipes would probably require an Air/Fuel/Ratio increase. Does adding the cam upgrade, definitely need an increase of Air/Fuel/ratio more than just the air filter and pipes? 2002 FLSTCI Heritage From stock to : K&N air filter Hooker long shots (pipes) Bolt-in cam slight upgrade

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Answer Any change from a Harley stock cam to performance will warrant more fuel. When the overall lift and overlap of the valves change, the engine will run lean and need more fuel.




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