05 to 09 coyote generation 2 swap! Guide and help tips

[jaybnve]

Matt, thanks for the quick answer. Your approach certainly has advantages. It looks like the Gen 1 cams are lower lift than the Gen 2 (.472" vs .511") with the same duration, so Gen 2 cams should make more power. I assume that the Gen 1 PCM needs the Gen 1 cam phasors, and the Gen 1 cam phasers won't work with the Gen 2 cams; is that correct? Hate to give up the extra valve lift on what is basically a high performance oriented build...

 

[mattjames]

Matt, thanks for the quick answer. Your approach certainly has advantages. It looks like the Gen 1 cams are lower lift than the Gen 2 (.472" vs .511") with the same duration, so Gen 2 cams should make more power. I assume that the Gen 1 PCM needs the Gen 1 cam phasors, and the Gen 1 cam phasers won't work with the Gen 2 cams; is that correct? Hate to give up the extra valve lift on what is basically a high performance oriented build...

That’s pretty minuscule, and with proper tubing you’ll never know. The exhaust cams are the same G1 vs. G2

 

[confidenceman]

it looks good man.

 

[bacchus203]

Love to hear it. The 5.0 tach signal on canID 0x204 bytes 3 and 4 works wonderfully. Sending to cluster on 0x201 byte 4 and 5. I can send code/conversion formulas if you need help. Still wasn't able to get speedometer from the coyote pcm. Seems like all the speed data on canbus gets pulled from the abs and wheel speed sensors, which I don't have. Wrote some code that taps directly into the VSS wire to measure pulses per second, then sends can message to the gauge, hopefully that works a bit better.

Still no luck with the A/C, but its cooled down here so I have time. I'd like to keep the pcm idle raise logic if possible. Found a CANID that correlates with climate function but not sure if its going to do anything. With bypassing the pcm, does it bog down at idle when the compressor kicks on?

Sorry for the long reply delay.
On the AC, no I do not have a problem with it bogging down when the AC kicks on. I did have a problem with burning up relays for some reason. The ECU is from PBH so it only has one command out for the fan, and that use to be the only relay I had for the fan control, which at the time was for the high fan speed. So turning on the AC, via the AC controls on the dash, also kicked on the high fan relay. Having the fan run at high speed all the time was too much for the relay and I burned up a couple of them. I have since changed that so the AC has its own relay and turns on the fan at low speed and the ECU turns on the fan at high speed. My idle drops slightly, just enough to be able to hear it, but it catches up quickly. Not enough to bog down or stumble. However, if I leave the AC controls on, which will turns on the compressor, the engine drags when starting the car.

As for the CAN bus tach signal, I have just started getting back to that. I have a raspberry PI that I have set up to simulate the Mustang CAN output and a teensy 4.1 controller that I plan on using in the car. There are other things that I plan on using the teesny for besides the tach signal. I wanted to get everything set up on the bench before putting it into the car, hence the pi simulator.

 

[bacchus203]

On the fuel system side our local friend has suggested a VMP voltage booster for the pump, and retaining the stock style fuel system; this is what he is using on his Gen2 Mustang with the Magnuson Supercharger. I've read online that the fuel line which connects to the S197 fuel line in the engine compartment and runs up to the Coyote fuel rails is no longer available. Is that true? If not, can someone point us in the direction of where to acquire that fuel line? We can cobble something together but it would be nice to just bolt something on.

For the fuel system, I really wanted to stay away from a return style system. I kept the 2007 V6 fuel lines from the tank to the coyote fuel rail, with an increased capacity fuel pump. I realize you will need a new fuel line for more fuel. I am using a vaporworx module with a fuel pressure sensor. I have a nos adapter attached to the end of my fuel rail with the sensor and the vaporworx controlling the pump speed. https://aeromotiveinc.com/pages/vaporworx

I had a fuel pump issue at one point because of a rusted tank, so it got replaced with a new pump, not sure the capacity, but no issues.

 

[Justin Bonsell]

excellent on the AC, that info helps a lot.

on a separate note, anyone with a gen 2 have any success getting a gen 2 ABS module to work?