The rear suspension is also out of a 2003 Cobra, but its slightly modified to work with the mini tubs provided by Autoworks International. In 2005 Ford introduced the throttle-by-wire system that actuated the throttle plate using an electric motor rather than a traditional cable. The EEC-V computer can be identified by the four rows of control pins in its main connector. Anyone drop a 5.4 sohc 2v or 3v into a Crown Vic? Low-cost code readers, available at most auto parts stores, read these codes, and can erase them, as well. Seems like alot less hassle. It was contacting the factory underframe, so it was turned 180 degrees and rewired and no longer touches the hood. 4 valve crown vic?? - Ford Mustang Forums Ford made it increasingly difficult to mix and match the wiring harnesses because of various options on the vehicle. You need to notify the tuner of any changes to items such as the intake, injectors, oxygen sensors, or any hardware that affects the performance of the car. Next in the firing order is Cylinder #3, located on the same side. You can just machine an adapter plate to use a standard modular cable-actuated dual bore throttle body (ie Cobra/Mach/MM) instead for pre 05 panthers, and fab a small bracket to mount the cables. For example, the PCM mounting on the donor vehicle may be in a place that doesnt work on your swap, and changing the placement may be difficult. They did this through a series of binary pulses that generated engine error codes with the Key On Engine Off (KOEO) test. All Ford modular engines come with mass air fuel injection systems from the factory. 2011 P71 4.6L 3V swap | Modular High Performance | Crownvic.net JCG1 im going to stop using modular fords forum and use another forum. I did some research and although I see alot of 2v to 3v engine swaps, I wasn't able to find a single build where someone installed 3v heads on a 2v bottom end. Will it fit? We get the Circle D 3b converter,. many people have done the 54. lightning swap also. To get the pro/street look the factory fender flares have been widened 112 inches in the back and 1 inch in the front. The difficulty with 5.4s making HP is because they have the same bore as a 4.6, but a longer stroke. why not use the computer and harness from the 6.2? This also allowed the T-56 shifter to protrude into the original shifter hole without any modifications.