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GMC Sierra 2500
Chip Help Mileage? on 6.0?
maineflyer123
Member
Posts:
4
January 2016
edited January 2016
in
GMC
Are there any chips that will actually improve my fuel mileage?
Tagged:
GMC
GMC Sierra 2500
Repairs & Maintenance
Fuel Efficiency (MPG)
2001
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texases
Member
Posts:
11,079
January 2016
Nope. If you want to spend a big chunk of change with a dyno and someone who knows what they're doing, you might improve power a little. All of those $69 'chips' are a scam.
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