efi live 06 4.2L envoy
01-22-2013, 07:30 PM
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efi live 06 4.2L envoy
who should i get tuning from? i want better fuel mileage not really looking for more power. i want a GOOD tune not just some Joe blow wanna be tunes
01-23-2013, 09:58 AM
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check with Justin @ blackbear performance , he'll set your tune the way you like it .
Black Bear Performance :: Custom Tuning Solutions for 96 and newer GM Vehicles
Black Bear Performance :: Custom Tuning Solutions for 96 and newer GM Vehicles
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