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Old 07-04-2003, 12:18 PM   #1 (permalink)
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ECU Question
whats the difference between H22a1 ECU and h23 ecu?
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Old 07-04-2003, 12:20 PM   #2 (permalink)
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To look at....not very much.

Its the ROM inside thats different.

The H23 is a completely different engine, no vtec, different settings etc

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Old 07-04-2003, 12:46 PM   #3 (permalink)
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well i got a ghetto spoon chip for a h22 but i have an H23 ecu and wanted to know what would happen?
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Old 07-04-2003, 08:51 PM   #4 (permalink)
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i guess there is only one way to find out
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Old 07-04-2003, 10:50 PM   #5 (permalink)
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You would probably run rich when vtec is supposed to kick in, and maybe get a CEL. Don't know if the extra fuel will hurt or benefit performance though....
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Old 07-05-2003, 11:17 PM   #6 (permalink)
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don't put it in...you will most likely fry your ecu! or f*@k up your engine!
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