ol'gus
December 4th, 2010, 08:08 AM
can u get any better gas mileage out of a 5.7 vortec with efi tuneing im a diesel guy dont know much abouth tuneing a gas motor
Taz
December 4th, 2010, 02:18 PM
If the 5.7 L Vortec engine is controlled by an LS1-B style PCM (OEM or “0411” swap) enabling Lean Cruise for improved fuel economy may be an option - depending on the OS.
Regards,
Taz
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