OBD-II and performance tuning (attn: James Henry)

From: Jim Azeltine (jazeltine@westaff.com)
Date: Fri May 08 1998 - 12:28:28 EDT


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>> These are the most accurate & reliable systems around but I wish =
there was some adjustability to them.

I found this reference on the B&B electronics website (www.obdii.com =
thanks Richard!) It appears that it is possible to modify the way the =
computer manages the engine....

OBD-II and performance tuning

While the vast number of drivers want nothing more than dependable, =
economical transportation, many of us are looking to OBD-II for extra =
performance. Earlier on-board computer systems had chips that could be =
replaced to adjust engine parameters for extra speed and power. While =
the OBD-II systems are sealed and do not allow chip replacement, they do =
provide a real time data acquisition system that is useful to tuners.

Power loaders can actually reprogram the performance parameters of the =
OBD-II system to accommodate performance options. At the current time =
the number of models they can service is limited, but the range is being =
extended. Be sure the person doing your reprogramming keeps the car in =
compliance with EPA emission standards. As aftermarket
manufacturers develop additional solutions, we will add their =
information to our links.
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