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R
When I first bought my '82 CE two years ago, a local Chevy dealership mentioned that I could upgrade my engine's computer module. I believe this is the one in front of the battery behind the seat. The cost would be around $350.00.
Has anyone tried to upgrade this device, and was there any improvement in the car's performance?
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I put the Hyper-tech chip in mine to change the shift points.
It makes it much smoother when you keep in in overdrive all the time, even in city driving.
I don't believe it enhanced performance.
Cost was about $130 from Mid-America.
I did the swap. You need to keep the old chip to swap back when you do a tune-up.
So my conclusion is it helps, but barely noticeable, IMO.
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Not sure what they mean by up-grade. I replaced mine with a new one for about $60. I don't think it's worth $350, whatever it is.
Dave
Lifetime Member #116
Dave's '82 
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in Forum: C3 Electrical, Body and Interior
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