2002F150FX4

Im new to this forum, and need some help. I just had my engine rebuilt, new upgraded cams, ported heads, the works. I was told I need larger injectors to run correctly. I am having the worst luck finding injectors other than stock #19 pound. Is there an injector from another vehicle in the #25 pound range that will plug and play, or some where to buy upgraded injectors. I checked Summit, Ford Dealerships, Seems like im the only person in the whole world to build this motor HELP PLEASE????? 2002 F150 FX4 4.6 W is the 8th digit in the VIN. UPDATE a 1998 Mustang Cobra has #24 pound injectors, has anyone done this swap, or know if it will work in my truck?????

97' 4.6

Pretty sure all injectors for 2v modular motors are interchangeable, but I'm no ford tech. For example, aftermarket injectors for a 2002 Mustang GT would be a direct swap. The cobra motors had an entirely different top end and intake so there may be a big difference.

jprevat

iTrader: (1)

I know the harley and lightning trucks ran bigger injectors and should swap right in.

Jbrew

Who's tuning it? They'll tell yuh. Shoot, I can tell yuh, what are your numbers? What's it built for?

ghostrider

What are your mods? Why do you think you need to upgrade your injectors?

2002F150FX4

Its got moderate cams, ported heads, performance pistons. The guy who built the motor told me to get bigger injectors due to the cams. No one is tuning it. Im not a mechanic, and the guy putting the motor in is a decent mechanic. I have no clue the numbers on it

jprevat

iTrader: (1)

Tuning is going to be a must because the computer is going to be trying to run that motor on a stock program and thats just not going to fly.

2002F150FX4

I was told, since that computer has been unplugged from power. The computer will learn the new cams??? Am I wrong

jprevat

iTrader: (1)

Yeh I wont pretend to know the answer to that but to get the most out of your engine even with simple mods (efans, exhaust, and a cai) you have to tune. So in my mind changing internals like that would have to lead to tuning.

2002F150FX4

Another question, by tune, my brother has a 2001 Mustang GT Diablo tuner, will that work?? I am obviously in the dark here, I might just sell the dang thing and buy a brand new 5.0 4x4, this truck aint been nothin but bad luck