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Discussion Starter #1
Hello. i have a 99 civic y8 with a obd2b stock ecu.

im getting a obd1 ecu to tune with crome.

I know P28 and P30 works, right?

I know my engine has knock sensor.

P28 doesnt have support for this, and P30 does... right ?

I found a p28 to buy.. but its better to find a P30 because of the knock sensor right?

And the conversion / harness differences between the p28 and p30 ?

My big question is, its better get the p30 indeed ?
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