Quote:
Originally Posted by California98Civic
Actually, the HX is the successor to the VX, with vtec-e and EGR but with the 1.6L engine and significantly shorter gearing (especially final drive, about 3.75, instead of 3.25). Even the wheels are the same design, though an inch larger.
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Ah, cool, I didn't realize the HX was in fact a newer revision of the VX. An interesting question then is which ECU was used? I think the P2N was the HX which obviously will support the proper EGR and lean burn but we never bothered to develop any OBD2 tuning stuff.
The VX, which was a P07 had those features too. That's the ECU I used in my swap and it required the ever-expensive L2H2 wideband O2 sensor. I would normally swap ECUs in a '96+ car, with a conversion harness to go to OBD1. Adding extra wires for the 7 wire sensor was pretty simple.
The downside with my own swap is that the VX ECU is not chippable. So you either go down to a P06 series and lose the wideband, EGR and lean burn or you live with the factory tune. Like a barefoot shoemaker I never had the time to do any tuning stuff for the P07. Not like it would make any money as a product...
-Michael