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Well as everyone knows.......the way to get more power is to ADD MORE FUEL!!! [rofl]

not flaming (doused the fire with fuel. LOL) just having a bit of fun. it DOES seem like a random question anyway :)
 
i have been looking at this a little myself...

using various manufacturers calculators they determine the injector size for 135hp (approximate stock zetec) to be about 21lb. Did ford lean these cars out from the factory? or are the calculators overly simplistic? If the injectors are sized that closely would injector upgrade be required after basic exhaust and induction upgrades?
 
x2 ^^^ on that question, i believe ask about mustang injector a while back and i still was wonder about these questions as well
 
i have been looking at this a little myself...

using various manufacturers calculators they determine the injector size for 135hp (approximate stock zetec) to be about 21lb. Did ford lean these cars out from the factory? or are the calculators overly simplistic? If the injectors are sized that closely would injector upgrade be required after basic exhaust and induction upgrades?

The kicker is fuel pressure. More base pressure can make a small injector flow as well as a larger one.
 
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