I finally got my hands on a GTX ECU. I'm running my na escort gt ecu and wire harness. Is it just a straight plug and play, to swap the ecu's? And what about the NA harness, witch has a 3 wire TPS senor thats either off or on with no percentage. Is there anything that I have to chage, or get the GTX harness? Whats is the rev limit on the GTX ecu? Will I loose hp now? With the NA ecu i've ran a 9.4 at the local track thats an 8th of a mile. I was told by a friend that the reason my car is so quick is because my NA Ecu is running wide open with no limits and dumping a lot of fuel.
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I can get you the pinouts for changing the knock sensor. if need be---Has ClubProtege helped you in someway? show your support by Contributing--- Click Here---
1992- project FE3..... 313 WHP @ 9.3psi
I pet my dash when I get into the car..."good car"he actually has a mazda tree, parts grow on it
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i am running the gtx ecu on a 3 wire tps, and no knock sensor.
i have some issues (none driveability). The car drives great just likes to... for lack of a better word... miss... when im at full boost with a big load (going up a hill or low in the rpms wot in 2-3-4-5 gears) .
other than that if i keep it at like 90% or so (i know the 3 wire is just an on off switch) i still move like a bat outta hell and i dont encounter the problem.
i have right now awaiting install, a gtx, rebuilt tranny, and a jdm harness... (im kinda looking for a straight bodied car to put it all in). im going to pick up the knock sensor and controller off a turbo 626 from the junk yard, and i have the 4 wire gtx t/b.
i have heard something along the lines the na ecu pulles harder top end because the timing retards or something like that w/ the gtx. but the gtx is a safer ecu to run and build your setup on.... if you got it though put it in and you tell usThere are no stupid questions, just stupid people.
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non driveability i mean, it drives just fine... like a factory car, i never have any no start issues, any idle issues nothing, there is still some tuning (unsure if its a mechanical motor issue or a fuel issue, with the whole missing thing... but its not the ecu for sure, it drove great when installed the misfire thing only started recently and is completely unrelated)
i got the wire harness from a dude trying to sell it on the forum FOREVER he wanted like 500cad or something and i ended up getting it for 215cad shipped! i would not worry about a jdm wire harness unless you run the gtx, if you are just running a bpt just run the usdm harness. because there are some connectors in different locations on each setup.
the car drives great with it i cannot complain, its fun getting my car out on the dry roads (like the first day in over a month litterally) and being able to burn up second bouncing off the rev limiter with a quick shift from first a far cry from my struggling to bounce off the rev limiter in first with a dump of the clutch with my revs up without the turbo
just plug it in, advance your timing a tad to make up for the "limp mode" that the ecu is in without the knock sensor, and your golden.
i will say this though i have had 0 motor issues and my cousin whom i sold one of my turbo setups to has blown up 2 motors on his na ecu, given they were more driver error than specifically the ecu (timing WAY too advanced) then he just rebuilt the motor without a machine shop involved and something about mating parts from 2 old motors that were sitting on the side of my house for a year without replacing bearings or any recurfacing of bearing surfaces, the second motor was doomed from the start.There are no stupid questions, just stupid people.
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