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NAG1 controller finally on market. Just found this... #1833058
05/24/15 12:43 AM
05/24/15 12:43 AM
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roadrunninMark Offline OP
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I was doing some research on the NAG1 and reading about how people having a rough time with controlling the NAG1 transmission. Well, I just found this site: http://soundgermanautomotive.com/pcs/

I don't know anything about this company/ controller yet, but I will try to find out more, including posting on the other sites. Has anyone else heard of this unit/company?

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833269
05/24/15 03:12 PM
05/24/15 03:12 PM
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fredericksburg,va
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cudaman1969 Offline
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I was looking into this also going over the issues of this trans, but the one that seams to be the biggest is no u-joint-slip-yoke out back of trans. With the way it is now the rear axel will have to be stationary. Does anyone make a different output for this trans?

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833275
05/24/15 03:20 PM
05/24/15 03:20 PM
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Garden Grove, CA
OzHemi Offline
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Why not just get a driveshaft made then with a slip joint in it?

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833425
05/24/15 08:19 PM
05/24/15 08:19 PM
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Bad340fish Offline
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Driveshafts with slips are very common in jeeps etc, shouldn't be an issue to have one made that way.


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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833430
05/24/15 08:26 PM
05/24/15 08:26 PM
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Rio Raton
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I think my Crossfire has a NAG1 tranny.


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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833518
05/24/15 11:01 PM
05/24/15 11:01 PM
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roadrunninMark Offline OP
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Cudaman - member Darius had someone make an aluminum adapter that mounts to the back of the trans and then you can use the slip joint front. He has a big build thread over at forbbodiesonly.com Plenty of pics too.

I heard back from Russell at Sound German Automotive. He has a facebook page with more info and reviews from customers. Looking at the website, you have two programs, which you can switch on the fly. It is a little pricey and has options you can get. He quoted me about $1200 for a kit for an older car. Here is some info he sent me:

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.

It works with all year NAG1 transmissions, plus he can control some Mercedes and Porsche transmissions.

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833527
05/24/15 11:15 PM
05/24/15 11:15 PM
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That $1200 doesn't include the transmission, does it?


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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833660
05/25/15 02:16 AM
05/25/15 02:16 AM
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Is there something wrong with just grabbing all the OEM computers and transmission from an autowrecker?


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Re: NAG1 controller finally on market. Just found this... [Re: Grizzly] #1833825
05/25/15 01:20 PM
05/25/15 01:20 PM
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Originally Posted By Grizzly


Is there something wrong with just grabbing all the OEM computers and transmission from an autowrecker?


Quite likely a minefield there. I haven't really looked into it yet.

I do know that the engine and transmission controllers communicate with one another. The engine controller also communicates with the body controller for engine run authorization.

There are eleventy billion computers in today's cars and they are all interconnected in one way or another.


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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833846
05/25/15 01:45 PM
05/25/15 01:45 PM
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It's great that someone finally did this for people who would want a NAG1 in an old car. I'm sticking with the 545RFE that's already mounted in my Duster. Much easier and cheaper....and it's still a 5 spd.

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1833866
05/25/15 02:06 PM
05/25/15 02:06 PM
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I'm 100% sure that price doesn't include the transmission.

Heck, I'm trying hard to stay under that price with my 46RE controller laugh2


If you ever find yourself in a fair fight, your tactics suck.
Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1834102
05/25/15 08:01 PM
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Price doesn't include the transmission, but data logging software and is fully programmable. Yes, I know it is pricey but it works. If you don't want to cut up your tunnel (to fit the 545RFE) and want the extra power to handle a 6.1, 392, etc., this controller is the only game in town (that I found so far). I don't know how hard it is to make the factory TCU work, as some have tried to do so and failed. Of course that would be the least expensive way to go. I think you have to use the rear out of a new car for the sensors or something? Even Modern Muscle and another co. (can't remember off hand) have shelved the idea of making a separate controller (had difficulty in making it work) for now.
Anyway, I just thought I would pass it on that there is a working controller on the market. Hopefully the price can come down some as more and more people get them.

Re: NAG1 controller finally on market. Just found this... [Re: feets] #1834208
05/25/15 10:41 PM
05/25/15 10:41 PM
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Darius Offline
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Originally Posted By feets
Originally Posted By Grizzly


Is there something wrong with just grabbing all the OEM computers and transmission from an autowrecker?


Quite likely a minefield there. I haven't really looked into it yet.

I do know that the engine and transmission controllers communicate with one another. The engine controller also communicates with the body controller for engine run authorization.

There are eleventy billion computers in today's cars and they are all interconnected in one way or another.



There is ABSOLUTELY something wrong with it.....IF you don't insure the tone rings and speed sensors are there also.
I went that whole route. It is on my build thread on FBBO in the projects section title "B Body Stiffening"


Driving modern convenience in classic beauty
Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1834778
05/26/15 07:58 PM
05/26/15 07:58 PM
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Darius Offline
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Another note on this PCS NAG1 controller, it was originally designed to use in the new Gen LX ,LC platform cars for those who were building the GenIII hemis to race. They wanted the transmission to handle massive horsepower etc.
I believe the applications we are trying to use it for need more than what the original designers were thinking about initially. Once they started to see the demand for older car swaps they had to regroup.
This is purely MY interpretation based on conversations with several folks who have had some exposure to the issues around it. I believe they will develop a product that will increase in demand , particularly once word starts getting around that there is a product available to enable this swap.
I have looked HARD for this solution and it appears I must be one of the first to go down this route....at least the first to have it posted on the most visited Mopar Forums anyway. I know I have not seen it in any of the Mopar magazines, but I don't read every one of them either. Most of those editors are stuck in the past anyway.


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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1834906
05/26/15 10:47 PM
05/26/15 10:47 PM
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70blackfish Offline
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any build pictures, I used a 545rfe with my 6.4 build. i heard they can handle 550-600hp all day

Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1834907
05/26/15 10:47 PM
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Re: NAG1 controller finally on market. Just found this... [Re: 70blackfish] #1834934
05/26/15 11:27 PM
05/26/15 11:27 PM
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Darius Offline
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Originally Posted By 70blackfish
any build pictures, I used a 545rfe with my 6.4 build. i heard they can handle 550-600hp all day


Here is a link to my build post on FBBO 17 pages TONS of pics and tales of woe and frustration;-)

http://www.forbbodiesonly.com/moparforum/showthread.php?1121-B-Body-stiffening


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Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1835146
05/27/15 10:53 AM
05/27/15 10:53 AM
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cudaman1969 Offline
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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 ). The speed sensor iis inside trans and works with the abs sensors plus main controller. Reason I know the mechanic next door spent two months with the help from the Dodge shop trying to find the problem with a 2011 Charger. The trans would go into limp mode, tried everything, two trans, new sensors, changed tires. Come to find out the previous owner had changed to an SRT8 rear(3.06 ratio) and main controller was programmed for a 2.65, so the sensors couldn't jive and kicked it into limp, even the main engineers from Chrysler couldn't figure this out. Changed back to an original rear and trans worked fine.But chrysler did say the tires had to be within 5% of stock size to work properly(same as changing gear ratio). We think the rear package came with a chip box but was lost with selling the car to dealer to used dealer. As far as using Jeep trans I think they are independent (bolted solid to frame) so no u-joint either, I didn't see the type of slip u-joint you used in your build up pics other than the aluminum piece.
Edit; got the original trans and going to pull it down to see if my idea would work.

Last edited by cudaman1969; 05/27/15 10:59 AM.
Re: NAG1 controller finally on market. Just found this... [Re: roadrunninMark] #1835264
05/27/15 02:18 PM
05/27/15 02:18 PM
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70blackfish Offline
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WOW>>>Darius..I just read your build, nice Job! sorry about your wiring troubles ..

Re: NAG1 controller finally on market. Just found this... [Re: cudaman1969] #1835282
05/27/15 02:46 PM
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Darius Offline
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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 ). The speed sensor iis inside trans and works with the abs sensors plus main controller. Reason I know the mechanic next door spent two months with the help from the Dodge shop trying to find the problem with a 2011 Charger. The trans would go into limp mode, tried everything, two trans, new sensors, changed tires. Come to find out the previous owner had changed to an SRT8 rear(3.06 ratio) and main controller was programmed for a 2.65, so the sensors couldn't jive and kicked it into limp, even the main engineers from Chrysler couldn't figure this out. Changed back to an original rear and trans worked fine.But chrysler did say the tires had to be within 5% of stock size to work properly(same as changing gear ratio). We think the rear package came with a chip box but was lost with selling the car to dealer to used dealer. As far as using Jeep trans I think they are independent (bolted solid to frame) so no u-joint either, I didn't see the type of slip u-joint you used in your build up pics other than the aluminum piece.
Edit; got the original trans and going to pull it down to see if my idea would work.


I am NO expert ,in fact very novice, about exactly how transmissions work, particularly the new computer controlled ones but....I do know that Russell had us save a file of how the thing was working and send it, the computer itself, the rear gear, and the tire diameter when he re-programmed my unit. Obviously all of these components have to line up like the stars for everything to work properly. There was some discussion (mostly talking from Russell) about pressures and signals so I am pretty sure it is a combination of both that actually cause the transmission to shift when it does.
I should have this thing re-installed sometime next week so I can report on performance.....or not.


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