Custom gages...

G_T

G_T

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Dallas, TX
Background:

I'm installing a 2004 Gen III Viper V10 engine in a 1970 Dodge Charger. For those that remembered, it came from a rolled black SRT-10 RC...


I am using the stock PCM. I would like to update my stock guages - yet retain the classic muscle car look (I like the Autometer Sportcomp II gages.)

Currently, I have an engine run stand with the original SRT-10 instrument cluster - everything works, but I do NOT want to use these gages - they appear to be all electric and perhaps USB based...

I am looking for tips/suggestions on the type of gages to purchase that can interface in with the v10. I have no problem installing new/differenct sensors as required.

However, the engine still needs to run using the stock PCM - so I need to be careful not to disable anything that is vital for the PCM to keep the engine running.

I have no experience tackling this type of electronics modifications - everything on this build has been one challenge or another, but this one is definately over my experience. I do have the Viper FSM - just want to try to save some time and find someone who has done this.

Looking for tips and pitfalls - what to do, and mistakes to avoid.

Has anyone tried this - even if you have installed aftermarket instruments in your trucks, are there any general guidelines/suggestions on what to try?
 

It is very easy to piggyback the other gauges. My lincoln has digital factory units with Autometer Oil temp, oil pressure, intake air temp, coolant temp, voltage, vacuum/boost, and 0-9k tach added on.


.
 
Last edited:
I cant help ya with what to get, but I can get all the iss pro, autometer and other guages, if ya decide what ya want , I will help ya all I can sir:)
 
When you say "piggyback"... does that imply that the stock cluster is required? If it is completely removed, will the engine run - or is the SKIM going to get in the way?

Stinker - thanks for the offer... I will definately hit 'ya up when ready, I'll be looking at the autometer sport comp II's - a full array of 'em :D
(Tach, Speedometer, Fuel level, Fuel pressure, Volts, Oil pressure, Oil temp, water temp, and boost.) Plus, I'll need whatever interfaces/connections/sensors to hook up the mess to the motor.

I am going thru the FSM now... what a nightmare.

I also need to know if the ECM is going to need to be reprogrammed with all of this electronic hacking...:confused: (I previously said PCM, but meant ECM... heck, I have to separate the 2 of them anyway... :dontknow: )
 
G_T said:
When you say "piggyback"... does that imply that the stock cluster is required? If it is completely removed, will the engine run - or is the SKIM going to get in the way?

Stinker - thanks for the offer... I will definately hit 'ya up when ready, I'll be looking at the autometer sport comp II's - a full array of 'em :D
(Tach, Speedometer, Fuel level, Fuel pressure, Volts, Oil pressure, Oil temp, water temp, and boost.) Plus, I'll need whatever interfaces/connections/sensors to hook up the mess to the motor.

I am going thru the FSM now... what a nightmare.

I also need to know if the ECM is going to need to be reprogrammed with all of this electronic hacking...:confused: (I previously said PCM, but meant ECM... heck, I have to separate the 2 of them anyway... :dontknow: )
Click to expand...




On mine we just used an ecm out of a Mark8 lincoln and soldered the wires to the same wires that were on the town car.

When I say piggyback I mean that we either created or used existing ports/locations to hook up the Autometer gauges as if there were no factory gauges.

We also wired the ignition to accept 8 coils instead of just 2.


.
 
Last edited:
More info

OK,
Let me add a bit more info/complete picture of the entire challenge...

The V10 is on an engine run stand and runs with the original PCM and dash cluster. It has the RF key/SKIM security system as well.

There are 3 basic things I need to accomplish - but I need to find someone that can give me good advise or assist in modifications:

First, I will be installing new gages in the Charger. They can be electric or mechanical. Most likely Autometer Super Comp II full set of gages (tach, Speedometer, oil pressure, oil temp, volts, fuel pressure, fuel level). I need to know how to interface them into the engine system. Do I just procure new sensors of the appropriate type? Concerns I have is with tach and what to tap for signals. Etc. for all gages.

Second, I want to remove the SKIM/security system. I will NOT be using the original dash cluster. I believe the SKIM/security system, Dash cluster, and PCM all communicate via PCI to exchange VIN/etc. I will also be removing the cats/etc., So I believe I need to find someone that can reprogram the PCM to disable the SKIM stuff and modify the other necessary parameters. Who can do this?

Third, the engine needs to run with the reprogrammed PCM and WITHOUT the original dash cluster. Is this possible? I "think" the PCM needs a number of vital engine statistics/parameters while it runs. So I am concerned about ensuring the PCM sees this information AND getting the new gages to work.

This is a tall order - I have tackled every part of the engine swap - but this particular electronics/engine management/security system is out of my current league of knowledge. I have the 04 FSM and have poured thru it - what a nightmare, and of little help.

Should I just drop the idea of modifying the stock PCM and go with a full aftermarket ($$$$) engine mgmt system? Suggestions?

What I need is a professional tuner that has experience with what I am trying to do.

I appreciate all the help with this challenging project.
 
Stinker said:
I cant help ya with what to get, but I can get all the iss pro, autometer and other guages, if ya decide what ya want , I will help ya all I can sir:)
Click to expand...
Yeah, tony can help...i just ordered my 8th gauge from stinky
 
MUTT said:
Yeah, tony can help...i just ordered my 8th gauge from stinky
Click to expand...

way do u need a gauge for that girl car to see how slow it is lol what,s up bro longe time no talk
 
You might wanna try PMing Marty, he seems real knowledgable about the PCM workings..What the heck is the name of his place?..Hes a vendor on here..somebody help me out wouldja?..lol
 
Riff62 said:
Thanks bro..I was having a brain fart..lol
Click to expand...







You realize of course that you are the only person on this forum that has ever had a brain fart don't you?:D :D :D :D





.
 
G_T said:
OK,
Let me add a bit more info/complete picture of the entire challenge...

The V10 is on an engine run stand and runs with the original PCM and dash cluster. It has the RF key/SKIM security system as well.

There are 3 basic things I need to accomplish - but I need to find someone that can give me good advise or assist in modifications:

First, I will be installing new gages in the Charger. They can be electric or mechanical. Most likely Autometer Super Comp II full set of gages (tach, Speedometer, oil pressure, oil temp, volts, fuel pressure, fuel level). I need to know how to interface them into the engine system. Do I just procure new sensors of the appropriate type? Concerns I have is with tach and what to tap for signals. Etc. for all gages.

Second, I want to remove the SKIM/security system. I will NOT be using the original dash cluster. I believe the SKIM/security system, Dash cluster, and PCM all communicate via PCI to exchange VIN/etc. I will also be removing the cats/etc., So I believe I need to find someone that can reprogram the PCM to disable the SKIM stuff and modify the other necessary parameters. Who can do this?

Third, the engine needs to run with the reprogrammed PCM and WITHOUT the original dash cluster. Is this possible? I "think" the PCM needs a number of vital engine statistics/parameters while it runs. So I am concerned about ensuring the PCM sees this information AND getting the new gages to work.

This is a tall order - I have tackled every part of the engine swap - but this particular electronics/engine management/security system is out of my current league of knowledge. I have the 04 FSM and have poured thru it - what a nightmare, and of little help.

Should I just drop the idea of modifying the stock PCM and go with a full aftermarket ($$$$) engine mgmt system? Suggestions?

What I need is a professional tuner that has experience with what I am trying to do.

I appreciate all the help with this challenging project.
Click to expand...


most of you guages you can just use the supplied sensor I think, such as water, oil, and so on,


for the pcm questions call dave at http://www.bgchrysler.com/

now for a few of your other questions pm Stingray on here, he can tell you the wire to tap for the tach signal, and possibly answwer a few other questions
 
supercar1of1 said:

You realize of course that you are the only person on this forum that has ever had a brain fart don't you?:D :D :D :D





.
Click to expand...

MAN WHAT IS THAT FREAKING SMELL ,,,oooo its fatjack with beer farts
 
Stinker said:
most of you guages you can just use the supplied sensor I think, such as water, oil, and so on,


for the pcm questions call dave at http://www.bgchrysler.com/

now for a few of your other questions pm Stingray on here, he can tell you the wire to tap for the tach signal, and possibly answwer a few other questions
Click to expand...

That, or you could replace the existing sensors with ones that work with whatever gauges you want to use.
 
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