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ECUs, all the same?
#1656963
08/10/14 10:23 AM
08/10/14 10:23 AM
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Joined: Jan 2003
Posts: 4,051
Connecticut
jeff968
OP
master
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OP
master
Joined: Jan 2003
Posts: 4,051
Connecticut
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The Challenger had a few issues starting over the past couple of months. Turns out the problem was the ECU. I had the Orange one from the Mopar performance electronic ignition kit. Although the kit was 5 years old it only had about 2,500 miles on it. The ECU looked new. Any recommendations on a replacement model (I have a used ECU in the car now)? Are the orange ones garbage or is that about the life to be expected? Thanks
1970 Dodge Challenger T/A
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Re: ECUs, all the same?
[Re: stumpy]
#1656967
08/10/14 04:50 PM
08/10/14 04:50 PM
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Joined: Aug 2007
Posts: 6,119
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,119
Valencia, España
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I disagree. Got two chromed broken in a row, one of them just last long 24 hours of useage... fixed both replacing the power transistor ( temporally ): fixing Chromed boxes This has being also threated here in Moparts, but taking my initial topic in DC.com
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: ECUs, all the same?
[Re: 74RALLYE]
#1656971
08/10/14 05:08 PM
08/10/14 05:08 PM
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Joined: Aug 2007
Posts: 6,119
Valencia, España
NachoRT74
master
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master
Joined: Aug 2007
Posts: 6,119
Valencia, España
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Quote:
My orange box died with less than 1000 miles on it. I picked up a few chrome boxes at the junk yard 10 years ago and haven't had to replace any of them.
yes, maybe thats the old boxes when good transistors came up from manufacturers, as I said, but not newers ( dunno the LATERS ), where the chinesse electronic junks are all around.
Anyway, is just a theory, but I think I have "prooved" some on my experiment
With a Charger born in Chrysler assembly plant in Valencia, Venezuela
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Re: ECUs, all the same?
[Re: NachoRT74]
#1656972
08/10/14 06:11 PM
08/10/14 06:11 PM
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Joined: Jan 2003
Posts: 5,472
So Cal
Sinitro
master
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master
Joined: Jan 2003
Posts: 5,472
So Cal
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Nacho.. In looking @ changing out the power transistor I find no mention of using the insulating thermal grease... Thermal grease is absolutely required for bonding the power transistor properly to the insulator to its heat sink mounting. Without this the power transistor can heat up, burn out and fail. As it is not using the heat sink to help cool it down.. Here is a link to a YouTube video for the proper procedure. https://www.youtube.com/watch?v=hNRacVQRgBcJust my $0.03... 
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Re: ECUs, all the same?
[Re: Sinitro]
#1656973
08/10/14 06:34 PM
08/10/14 06:34 PM
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Joined: Apr 2010
Posts: 4,154
bethlehem pa
mikemee1331
master
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master
Joined: Apr 2010
Posts: 4,154
bethlehem pa
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Quote:
Nacho..
In looking @ changing out the power transistor I find no mention of using the insulating thermal grease...
Thermal grease is absolutely required for bonding the power transistor properly to the insulator to its heat sink mounting. Without this the power transistor can heat up, burn out and fail. As it is not using the heat sink to help cool it down..
Here is a link to a YouTube video for the proper procedure.
https://www.youtube.com/watch?v=hNRacVQRgBc
Just my $0.03...
HaHaHa!! that was my old Xbox 360's problem!
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Re: ECUs, all the same?
[Re: jeff968]
#1656974
08/10/14 09:35 PM
08/10/14 09:35 PM
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Joined: Jan 2003
Posts: 75,324
A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,324
A gulag near you.
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Quote:
Are the orange ones garbage or is that about the life to be expected? Thanks
Pretty much , switch to a pertronics , they make one that works in the electronic distributor , the plus is the ugly orange piece of garbage , the ECU not your car , will never leave you stranded or wanting for more ...
... que the orange box sword swallowers in 3 ... 2 ... 1 ...
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Re: ECUs, all the same?
[Re: JohnRR]
#1656975
08/10/14 09:55 PM
08/10/14 09:55 PM
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
RapidRobert
Circle Track
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Circle Track
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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Groundbreaking stuff Nacho  , If I can find a dead one (of any color) & source that transistor I'm gonna give it a shot. I've never ran orange boxes enough to have one fail but from the multitude of neg comments I definitely would not purchase a new (orange) one
live every 24 hour block of time like it's your last day on earth
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Re: ECUs, all the same?
[Re: RSNOMO]
#1656978
08/11/14 01:00 AM
08/11/14 01:00 AM
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Joined: Jan 2003
Posts: 75,324
A gulag near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,324
A gulag near you.
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Quote:
I find it amusing that in your world, 8 3/4 rear axles(which lived in millions of Mopars)...
And electronic ignitions(which powered millions of Mopars)...
Do not live up to your exacting standards...
A cheap, imported POS component does not trash an entire concept...
And do you really think pertronix is some sort of gift of divine intervention???
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Re: ECUs, all the same?
[Re: SattyNoCar]
#1656980
08/11/14 05:50 AM
08/11/14 05:50 AM
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Joined: Jan 2003
Posts: 27,421
Balt. Md
383man
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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Quote:
Quote:
In 20+ years of driving...
And rolling-up 20,000+ miles on the odo...
I've lost one orange box...
It's been mentioned here (by my self also) that the orange boxes built within the last 10 yrs or so are garbage. The old(er) ones actually worked pretty good and held up well.
I had an orange box I bought way back in '90, and had it on three different daily drivers putting well over 150K miles on the unit before it began to die in '02 (developed an intermittent short).
That seems to be as it seems most of the orange boxes that are bad seem to have been bought after 2000 as many that say they are junk bought them after 2000 and maybe Mopar changed the vender around them as who knows how many venders they have used over the years ? I do know I bought my orange box about 1999 and its still on my 63 working good pushing it into the 10's. Also many have reported the newer orange boxes that did not die are taking timing out at higher rpms. Mine seems to not be doing that as we had my orange box on my boys Dart and when we swapped it to MSD it ran the same as it was no faster and started the same. That said if you want to use the MP I would use the chrtome box as less seem to complain about them having trouble. Ron
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