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Old 04-26-2013, 02:31 AM   #14
prodigit   prodigit is offline
 
Join Date: Jul 2012
Location: Miami, FL
Posts: 389
Yeah, fuel injection injects fuel and air into the cylinder causing a slight overpressure, as opposed to a carb version, where the cylinder due to a vacuum sucks the fuel/air mixture in.
This effect you have with fuel injection is similar to the effect of a mild turbo; especially noticeable in the low end.
It's like having the power of a 66cc kit with having only a 49cc cylinder.
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