Operation: Texas Thunder
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Lindfors turned the heads over to Larry Hardy, Lifestyle's Performance Techniques motor expert, for porting. For a street bike like this one, you don't want the largest possible ports or you'll actually lose performance in the 2,000-4,000rpm range, where most of us do our street riding; wide-open ports are best for drag bikes. In the 2,000-4,000 range, port shape determines the velocity of the mixture and exhaust flow in to and out of the combustion chamber. The idea here is to increase airflow, shaping the air so it goes in faster, pulling fuel in quicker, and then sending the exhaust out without it backing up in the chamber. View Related Article
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