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Are you sure that I would need Ford coils and plug wires with a Ford EDIS system? I'm under the impression that the EDIS would run the stock 4.7 coils on the plugs with nothing changed coil wise nor any need for plug to coil wires.

As far as transmission controller I was thinking this would do it.

http://www.powertraincontrolsolutions.com/content-4.html

The info mentions the 45RFE by name and they have a harness for it as well.

As a side not, this appears to be the same box Keisler is using to control their OD autos in their swaps.

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Not sure, I have no practical experience with the ford edis system. I've been setting up my efi controller to run the stock distributor just because for me, that was the easy way out. Not sure if edis would run your COP or if you would have to use the edis style 8-in-1 coil w/ conventional plug wires.

If that aftermarket trans computer will work for your setup, you may be in business in that regard. But for the $$$ you'd be paying for it, you'd be better off just getting a RH trans and rebuilding it. I tried that website link, but it was going so slow I just gave up.

Also, even a manual trans dakota engine control computer will require a speed sensor. Speed sensor controls has an effect on many engine control functions on the OEM comptuers. I've seen the maps for the 80's FWD mopar ecu's, and it would take a substantial amount of recoding to phase out the speed sensor even in a manual trans setup. Also, some manual trans controllers have trouble with idling in gear with the load placed on them by and auto trans. A regular auto trans computer will have a signal sent to it telling it the auto trans is in gear, and then it knows to bump the idle speed up a little to compensate. I've heard of some manual trans comptuers stalling the engine during decel/idle when hooked up to an auto trans. And that was with the 80's programming, nevermind how needlessly overcomplicated that was, I can't imaging how nasty the newer coding is.

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That's good info on the speed sensor. I think your right, it would be tough to create a fake signal without a VSS or something like it. If it would even be possible to flash out the need for the VSS, I don't know how well the engine would run afterward anyway. I have read the speed sensor does help the ecm with idle on deceleration so what your saying makes perfect sense. Nice car in the sig by the way.

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I see what your are saying on the VSS sensor and using a man trans controller with an auto. I think you would be good though. I am pretty sure this is what alot of 5.7 hemi guys are doing. I would call Dave at B&G Chrysler, he is one of the few that really knows flashes. He is up in Michigan.

Justin

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This is for my 2002 4.7L w/45RFE:

VSS


Here's a picture of the trans...
I believe the VSS is towards the rear near the tailshaft housing joint. (I'll take a look at it tomorrow.)

Not sure if the '02 is like my '99, but that truck has the ABS sensor in the rear axle.
IIRC, the '02 has a separate 'puter for ABS.
(I'll look through my FSM tomorrow.)

Rick

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Hi Rick,

Yeah, since I have never seen the truck that this came out of I have had to assume that the VSS was in the rear end but that may not be correct...

The transmission should have an input and an output speed sensor on the driver side mid way up the case. The input is near the front of the case (before the bell) and the output near the rear of the main case just ahead of the rear tail housing. I don't have a good pic of the rear tail case. It sure would be nice to know the VSS was all taken care of right on the tranny.

If the VSS is on the tail shaft of the trans, then does that mean that the RFE conversion tail housing that allows the speedo to work via a cable could not be used since the VSS is key to engine non-limp mode? That could mean an electronic speedo is mandatory for this project eh?

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If the VSS is on the tail shaft of the trans, then does that mean that the RFE conversion tail housing that allows the speedo to work via a cable could not be used since the VSS is key to engine non-limp mode? That could mean an electronic speedo is mandatory for this project eh?

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I sent this back to BPE. I hope I will get a yes or no back on the original flash questions.

Why a 4.7? Why did the original owner special order the Charger powder blue, slap stick with a slant six from the factory? I don't mind keeping the car an odd duck. Besides, I can get the whole 4.7-45RFE drive train for $600 including everything under the hood.

I'm a computer programmer by trade and this is not my first EFI project nor my first complete vehicle re-wire...

This conversation is getting off track. So can you flash the computer to work within the threads original criteria for success?

Thanks,

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I still have not heard back from BPE. I have ordered parts from BPE in the past and was very happy with my order and their service, however not so much on getting information about a possible ECM flash...

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I have a complete 4.7L from my 2000 dakota sitting here that I am planning on putting in my 71 valiant after I finish putting the SRT10 motor in the dak. I'm planning on using the factory computer and engine wiring harness and I don't think there will be to much of a issue making the other neccessary connections. However my dakota was a manual trans so I don't have the transmission control issues. I'm planning on sticking with the A833OD thats in the car now when I put the 4.7L in. I have all the wiring diagrams that I can send to you if that might help you out.

-Jon

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Thanks Jon I appreciate the offer. I may take you up on it in the near future.

WOW!!! A SRT-10 motor in a Dak eh? Nice project