MotoGP » Petrucci makes Ducati MotoGP debut

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Given the fuel pressure limits in the rules, it is probably dealing with fuel injector distances from the intake valve, throttle body sizes, and staged injectors. Burgess alluded to the staged injectors, there are probably smaller injectors for the low rpm and low throttle openings that allow easier smaller atomized fuel amounts to make it into the engine at perfect ratios and driveability style responses, and then a farther stepped out injector set for the massive horsepower required for the wide open throttle.

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