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forespeed · 07-26-2014, 10:45 AM

While driving my 13 ZL-1 home from a Lingenfelter 630 hp upgrade, I noticed a nice side effect from the upgrade.
After driving my car the initial 2000 mile breakin this past winter in florida, I found my best mpg on the interstate, at 65-70 mph was just over 19 mpg. During the drive home last week, I was playing with the info center and reset my mpg display. I was pleasantly surprised to find my tune and mods resulted in average highway mpg of 21.5 @ 71mph. Just another reason to be happy with the tune and mods.
As I documented in my other post, the dyno run prior to upgrades did show my rwhp to be down 50 hp from approximately 470 rwhp expected. I can only assume the tune while correcting the factory rwhp also directly effected my mpg.
What mileage numbers are you guys seeing, either factory stock or after a tune?

07-26-2014, 10:45 AM	#1
forespeed Drives: 2013 Camaro Convertible ZL1 Join Date: Dec 2013 Location: Saginaw,MI Posts: 53 View My Garage	Lingenfelter upgrade side effect, nice While driving my 13 ZL-1 home from a Lingenfelter 630 hp upgrade, I noticed a nice side effect from the upgrade. After driving my car the initial 2000 mile breakin this past winter in florida, I found my best mpg on the interstate, at 65-70 mph was just over 19 mpg. During the drive home last week, I was playing with the info center and reset my mpg display. I was pleasantly surprised to find my tune and mods resulted in average highway mpg of 21.5 @ 71mph. Just another reason to be happy with the tune and mods. As I documented in my other post, the dyno run prior to upgrades did show my rwhp to be down 50 hp from approximately 470 rwhp expected. I can only assume the tune while correcting the factory rwhp also directly effected my mpg. What mileage numbers are you guys seeing, either factory stock or after a tune?