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Pressure Carb vs Fuel Injection

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Flying High

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I am looking at buying a Pitts, some have Pressure Carbs and some have Fuel Injection. Some people claim that fuel injection will give the same engine more HP and some say that there is little difference except the carbs are expensive and complicated to overhaul where is injection is more reliable.
I spoke with a very reputable engine builder who modifies lots of engines and he is convinced that injection makes little difference and interestingly a crossover or 4 into 1 exhaust doesn't do much other than make the engine sound better. He went on to say that the best single improvement is cold air induction and pumping compression ratios up.
What is the experience of people here?
 

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