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I'm converting my EB1 5.0 from auto to manual. To avoid torque limitation, apparently I need to input a signal into ECU pin 5. Supposed to be a square wave at a certain frequency. Has anyone ever successfully built an electronic circuit to provide this input to the ECU? TIA
OK.... just trying to think outside the square....
So the problem is, one needs to feed a 25hz or 50hz signal to the ECU to prevent it from going to 'default' torque reduction mode. As NZ correctly states in that thread, not a matter of wiring up a resistor.
So what if you left the TCM in the car? This way, one could fudge the signal going to the TCM regarding gear position - in the same way TQE guys do. Then the TCM would oblige by sending the correct frequency to EEC which would prevent torque reduction.
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Uses a 50Hz signal and 25Hz signal (don't remember which way around at the moment).
Designed and breadboarded one of these up about a year ago...cct work OK.
Did not overcome the issue in my case as it turned out that the ute was using a US version of the EECIV that came with the 5.0 which came out of a Mustang and that signalling is different and the tuning is altered inconjuction with Trans control ... very complicated :/
In theory, however, should work for you.
Can send you a copy of the cct diagram...think I still have it.
If you are electronically challenged then I can probably assist there as well as I have a mate that is looking at manualising himself and I said I would make the signal generator for him so just as easy to make 2.
BTW#1 - I think that you will also need to take care of the PRND function - but that should be fairly easy - a few resistors and a relay.
BTW#2 - did not find anyone (Ford, AutoEMF, etc) willing to swap an Auto EEC for a Manual EEC.
BTW#3 - in theory, the auto EEC should go a little harder than the manual EEC as the advance curve is a little steeper.
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I'm converting my EB1 5.0 from auto to manual. To avoid torque limitation, apparently I need to input a signal into ECU pin 5. Supposed to be a square wave at a certain frequency. Has anyone ever successfully built an electronic circuit to provide this input to the ECU? TIA
As far as I am aware, and by going through the EEC timing curves there is no torque reduction for the V8 auto's, only on later model (AU's onwards I believe with V8s).
As far as I am aware, and by going through the EEC timing curves there is no torque reduction for the V8 auto's, only on later model (AU's onwards I believe with V8s).
There is :)
my car went slower after going to manual and with a diff change.
my car would only keep up with a 3 speed mpi 6cyl off the line
my car sounded 'sick' at wot in 1st gear, but not at anything under 3/4 throttle
my grin factor incresed when i finally got it going right
i can make my car go back into torque limit mode by simply pulling the trans computer fuse:)
Perhaps it does it by cutting fuel? It would be interesting to put the car on a dyno and measure the difference because its quite large. I guess you'd have to disable the vss so the car didnt know it was moving and therefore stayed in torque limit mode all the time.
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