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s5 ecu?

   
Old Jan 6, 2009 | 10:23 PM
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slideordie08
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i have a 87 na rx7 and i just bought a s5 engine and tranny but but it didnt come with a ecu so do i have to use a s5 ecu(if so whats the codes for them) or can i use a s4 ecu???please help
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Old Jan 6, 2009 | 10:53 PM
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mazdaspeed7
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No, youre fine with the one in the car. Just use the wiring harness and injectors in your car.
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Old Jan 7, 2009 | 03:11 PM
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slideordie08
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even if i use the rtex7 1.8 which ecu should i use???
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