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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1835286
05/27/15 02:50 PM
05/27/15 02:50 PM
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Have you talked to Chris at hotwireauto????

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1835341
05/27/15 03:45 PM
05/27/15 03:45 PM
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Hershey, PA
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Hotwire has a kit out there for NAG1 use in a GenIII swap. The NAG1 is more difficult to swap because the TCM is separate from the PCM, unlike most RFE applications. This requires the FCM to regulate the CAN bus so the two can talk, not to mention all the other inputs from the CAN bus the NAG1 requires to not go into limp mode.

BlackFish, what car did you put the 545 into? Any build pics, or thread somewhere? Any pitfalls/problems you encountered? Thinking about doing a 545 behind a 5.7L in a 73 Ebody.

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1835426
05/27/15 05:51 PM
05/27/15 05:51 PM
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Sacramento, Ca
Darius Offline
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I believe I talked to Chris. At that time, they did not have anything for this swap. This is why we ended up at PCM. In my opinion and experience ,there is no SINGLE source for EVERYTHING required for this swap if indeed you are using a donor car and want everything from that same donor.


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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1835434
05/27/15 06:01 PM
05/27/15 06:01 PM
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Sacramento, Ca
Darius Offline
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I just went to the hotwire site and looked at their kit. It says right on their list of what is included/needed that you MUST have the tone rings AND speed sensors from the rear axle installed.
THIS is what I have been telling everyone on every thread I have responded to on two different forums was MY problem! It is EXTREMELY difficult if not damn near IMPOSSIBLE to mount stock tone rings on an 83/4 axle assembly!


Driving modern convenience in classic beauty
Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1835506
05/27/15 08:19 PM
05/27/15 08:19 PM
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Canada
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Has anyone looked into Powertrain Control Solutions? It appears they have a controller that works with the NAG1.
Edit: my bad, the original link is for a PCS controller......DERP!

Last edited by WO23Coronet; 05/27/15 08:25 PM.
Re: NAG1 controller finally on market. Just found this... [Re: cudaman1969] #1835717
05/28/15 12:59 AM
05/28/15 12:59 AM
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Oregon
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Originally Posted By cudaman1969
Is the trans up shifted by electrical servos or by hydraulic like the old 727? If elec then why not just use micro switches to up shift and down shift( full manual ).


I saw a video of a guy with (probably a GM) transmission he set up like that. Had two (or three?) toggle switches on the dash. For every shift, he had to select the proper orientation up/down, down/down, etc. Every. Single. Shift. No thanks laugh2

That being said, it's probably feasible, just not practical.


If the controllers require the speed sensor and tone rings, I wonder how hard it would be to generate those from another sensor that's easier to mount work


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Re: NAG1 controller finally on market. Just found this... [Re: hooziewhatsit] #1835796
05/28/15 04:55 AM
05/28/15 04:55 AM
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Newport, Mi
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Originally Posted By hooziewhatsit
Originally Posted By cudaman1969
Is the trans up shifted by electrical servos or by hydraulic like the old 727? If elec then why not just use micro switches to up shift and down shift( full manual ).


I saw a video of a guy with (probably a GM) transmission he set up like that. Had two (or three?) toggle switches on the dash. For every shift, he had to select the proper orientation up/down, down/down, etc. Every. Single. Shift. No thanks laugh2

That being said, it's probably feasible, just not practical.


work


If the trans can be shifted by switches that way I would figure out a way to paddle shift it with relays.


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Re: NAG1 controller finally on market. Just found this... [Re: Darius] #1836102
05/28/15 05:35 PM
05/28/15 05:35 PM
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fredericksburg,va
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Originally Posted By Darius
I just went to the hotwire site and looked at their kit. It says right on their list of what is included/needed that you MUST have the tone rings AND speed sensors from the rear axle installed.
THIS is what I have been telling everyone on every thread I have responded to on two different forums was MY problem! It is EXTREMELY difficult if not damn near IMPOSSIBLE to mount stock tone rings on an 83/4 axle assembly!


There are NO sensors on the rear axel housing or half shafts, the hubs-brakes have abs sensors from where the signal comes from ( explanation from Chrysler). Just went thru all this with the 2011 Charger
Edit, the main speed sensor is inside the trans,pull the valve body and servos and there is the hole dead center with a sensor taking the signal off a slotted ring. By the way I have the new third member ass. setting in the floor with half shafts for sale(3.06 ratio) same rear under SRT8s. Make me an offer.

Last edited by cudaman1969; 05/28/15 05:46 PM.
Re: NAG1 controller finally on market. Just found this... [Re: cudaman1969] #1836221
05/28/15 09:20 PM
05/28/15 09:20 PM
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Sacramento, Ca
Darius Offline
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The tone rings were mounted on the end of the axle/1/2 shaft assy on the 07 I personally took them off of. So, yes. they were not on the housing BUT...the sensor mount was on the housing as I recall, that would be the easiest ting to solve. My point is, if you don't figure a way to mount a sensor/tone ring on the rear axle somehow (assuming you are not moving the newer rear assembly over) you are going to have problems. Maybe they have built something into the newer units, yours is 4 years newer than my donor.
It would make the swap real easy if the sensor was mounted on the transmission somehow as that is exactly what the PCS controller does.


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Re: NAG1 controller finally on market. Just found this... [Re: Darius] #1836428
05/29/15 02:20 AM
05/29/15 02:20 AM
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Canada
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So the PCS controller doesn't need the tone ring on the axle?

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1836455
05/29/15 03:59 AM
05/29/15 03:59 AM
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This is some info I received from Russell:

It requires a RPM, TPS value and shifter status in addition to the the supplied driveshaft speed sensor kit I supply as a minimum to operation the transmission.

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