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my car is a 99 gt with a 5.4 2 valve swapped in, it has 278ah comp cams and a hps intake, 24lb injectors and all the bolt ons except pullies... recently got it tuned and now getting some codes. wondering if anyone could help me find the root cause. p190-fuel rail pressure sensor. p0460-fuel...

I have a 99 mustang gt with a 2 valve 5.4 it has comp cam 278ah cams, hps intake + all the bolt ons with the exception of headers,off road x pipe though. I have ordered a trio of can tunes from you already today, maybe a little hastily, i am going to try them, if i decide to drive it up there...

What's the difference as far as swapping? Say putting cams out of a Romeo on a Windsor head? Does it work, and what parts are needed. This is all on a 02 5.4 2 valve if it helps you help me, please and thank you.

Buying up parts to build a vortech kit on my 99 gt with a 02 5.4 2valve out of an expedition. Having trouble finding solid info on which bracket I need, can anyone shed some light on this situation so I can order my bracket?:??:

Wondering if anybody knows if comp cams 278ah cams will clear the pistons(assuming they are properly degreed) on a 2002 5.4l 2 valve?

Like it says, looking for a lightning lower intake, my motor is a 02 5.4, hoping to get one that fits that I can build an upper for.

so I found which ones to use for a xcal3 but my question is... Which ones for the livewire, it seems to have different options when I open my livelink software.

so my 9600 sct livewire will not connect to my computer, it will light up and power on but cant retrieve my stock tune or any other interactions between my laptop and the device. I have uninstalled and reinstalled severeal times, checked drivers, all my (very) limited computer knowledge goes. I...