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View Full Version : obd0 to obd1 in a 90ef



bigasian
11-11-2005, 01:12 AM
I recently purchased a 1990 civic hatch std, with a gsr swap. The car has been converted to mpfi, and is currently running on obd0. Obviously the car is not running to its full potential on obd0, and i would like to convert it to obd1. My first question is how hard is the conversion, and secondly what parts will i need to do it?

Thanks for the help. :)

green91
11-11-2005, 02:05 PM
Conversion harness, distributor, ecu, few other small things. it's easy.

bigasian
11-12-2005, 01:53 AM
Thanks for the help.

95droppedhatch
11-16-2005, 12:21 AM
it is actually really easy rywire.com makes everything for the conversion the harness for the ecu and the harness to go from the obdo plugs on the old dizzy to the obd1 plugs of the new dizzy so the only thing you have to wire up is the 4 wire o2 sensor and and the jumper wire for the check engine light to check codes

bigasian
11-16-2005, 01:15 AM
Thanks a lot.

Vteckidd
11-16-2005, 11:34 AM
Conversion harness
VTEC OBD1 distributor
Repin the distributor to OBD1
OBD1 ECU

its pretty simple.

bigasian
11-17-2005, 01:30 AM
Hey vteckidd i tried to pm you about some parts but you mail box is full.

Vteckidd
11-17-2005, 09:16 AM
its clear now

bigasian
11-18-2005, 12:28 AM
pm'd