Thread: How can I reprogram the shift points in a 2000 Olds minivan?
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Porsche_monkey Porsche_monkey is offline
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Join Date: May 2001
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10% seems optimistic.

Why wouldn't GM do that from the factory? What are you going to sacrifice in drivability to get that?

But you can get 10% by doing maintenance, and driving carefully.
Old 06-05-2008, 11:23 AM
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