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'97 Riv Computer Updates???


84accord
04-14-2006, 12:25 AM
Anybody out there updated thier cars computer?
What was the result? Did the PCM need to be sent in?
Worth the money? How did you do it? Who did the program?

Rivrocket

96riviera18
04-14-2006, 02:22 PM
it must be custom programing or you must do it yourself with DHP powertuner 1.0 or 1.5 versions(digital horse power). go to regalgs.org under the riviera forum. there is a lot of info about pcm upgrades...they run about 300 and are helpful in calibrating your a/f ratio and removing the stupid 112/115?? speed limiter but as far a more hp goes, the money is better spent on a 3.4' pulley and other mods but thats jus my opinion. i dont have a custom pcm but there are riviera's with them and they good if you race alot or have done a lot of mods and the next step cost too much $$$

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