![]() He just needs to figure out the triggers, figure out possible dwell issues, get a handfull of common sensors, and find an ECU connector to adapt the harness. The guy said that he already had the ECU. WRX AIT sensor/ CLT sensor unless you can reprogram the curves $$$$$Īlter the injection harness to change the WRX 1-3-2-4 firing order to the miata 1-3-4-2 order. Somehow mount the correct trigger wheel patterns $$$$$ ![]() Somehow mount WRX Cam/Crank sensors $$$$$ In the least to make the WRX ECU work, off the top of my head, you need the following: Next you'll be trying to figure out how to install adjustable coliovers from a civic that are even cheaper than the $200 shipped racelands. I can't believe how cheap miata owners are sometimes, even when we acutally have a relatively cheap options for a pretty great ECU solution. I'd rather do this, spend a little extra cash up front and have a platform that is supported, has a big user base, and painless than to have to source random parts, hope i get good deals and then employ the pull and pray method. You could have it built, installed, and tuned in one weekend I'm sorry but that's cheap and easy. mods, around $20 to build a harness, and about 4-5 hours of time. $247.00 for the kit, $20 for the extra parts needed for the cam/crank inputs, ebc, idle & alternator reg. Seems like it should work but wasn't sure if anyone tackled this in the past.Īm I missing something that needs to be considered? To make map modifications/cal and tuning life easy I'll likely use a WRX MAF and 440cc fuel injectors. Ignition coils will need to be converted to 4 coil arrangement. VICS switch point needs to be triggered somehow (possibly by WRX tumble valve switch) Generator needs to be swapped with an internally controlled alternator.ĮGR controls need to be worked out or removed. I was looking over the ECU PINOUTs and the only issues I could see were: I was thinking of purchasing a 1999 Miata being sold locally and had an extra WRX ECU and TD04 turbo. Lots of free logging and diagnostic software available. Romraider and Ecuflash are free open source applications and the the only cost is for the Tactrix USB OBDII connector. You can read and flash the ECU as many times as you like with Ecuflash. You can access and modify all the ECU maps using Romraider. You can pick up a WRX ECU for less than $150 on Ebay. Has anyone ever tried or considered using a WRX ECU on a Miata?
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