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Bigger fuel injectors question
Car: Ford, Mustang, 2004, 3.8 V6 - Back to Fix-It - Ford Repair Manuals
Q.I am going to look at and install larger fuel injectors for my 2004 v-6 mustang. I have dual flowmaster kits with 2 and a half in piping. A bbk cold air kit, a bbk 65mm throttle body, bbk shorty tube headers, I don't have the $ to put a supercharger on so my question is, am I on the right path and if so how much lbs injectors do i get and could you possibly tell me how much HP could i get from this.
Will i need a tuner? I did use a diablo tuner and a sct before with 96 or so octaine. we put it on a dino and gained only 4 HP. Hopefully bigger injectors will help if and when i ever get my supercharger
Answer You do not want to increase the engine fuel supply until you make a much larger increase in the engines ability to use that fuel.
Here is how to look at it. The engine is a air pump. The more air in and the more air out, the more Horsepower you are going to make. When you supply more air, you will have to supply more fuel.
With a stock 4.0 SOHC, you have opened up the inlet and outlet, but the engines restrictions are at the cams, heads, and engine design.
The only way that you are going to easily increase the air flow into the engine, is with pressure. Turbo or Supercharging.
Save your money, until you are ready to put on.. >> login for more
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