zc motor swap - Honda-Acura.net

sharai1977 · 12-04-05, 09:41 PM

i bought two ecu one is suppose to be out of a 89 si civic hb the # is 37820-PM6-L080621-205734 9m and the other is a 91 4door civic ex ecu # is 37820-PS9-A50650-314365 zc which ecu would work for jdm zc dohc motor swap

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brianbu01 · 12-05-05, 01:42 AM

pm7 is the jdm ZC ecu
pg7 is the 86-91 integra
pm6 is the 88-91 si

The difference between them are the rev limits among others. They are listed in order to which are best. I am not sure what the PS9 is, I would guess a obd1 ecu.

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12-05-05, 01:42 AM	#2
brianbu01 Junior Member Join Date: Nov 2005 Posts: 15	pm7 is the jdm ZC ecu pg7 is the 86-91 integra pm6 is the 88-91 si The difference between them are the rev limits among others. They are listed in order to which are best. I am not sure what the PS9 is, I would guess a obd1 ecu.