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Old 05-25-2013, 06:49 PM   #65
Marcoscrdo
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Quote:
Originally Posted by ST185RC View Post
Two are entirely different. VTEC involves switching cam lobe profile effectively changing timing when engaged. D4S is the fuel delivery system that pumps directly into the combustion chamber.
Yeah i know, but like what happens when d4s happens. More fuel is put in so more power?
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