Fuel Economy - Hypermiling Dedicated to discussions on fuel economy improvements and related modifications.

poor mpg with stage 2 and exhaust

Old 03-27-2010, 11:29 AM
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poor mpg with stage 2 and exhaust

05 ss/sc

i have gm stage 2 (actually not positive about what flash is on it)

zzp h/dp magnaflow catback

ingen intake

93 gas

on the highway going 65 im getting under 30 like 28 29 and around town shifting at 3k i get 20

is this normal?
Old 03-27-2010, 01:42 PM
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I'd say most likely its normal. When I was driving my 07 SS/SC I would granny it almost everywhere to see what kind of mileage I could get and the best I saw was like 29, so you're doing pretty good then.
Old 04-01-2010, 03:15 PM
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i get 43 mph with crewse set at 75 an i got more than just a stage six so you shud go to a tuner an have him put a milage an set for perfomance. it cost me 350 for the tune an for over 400 crank hp without the nos im happy with the milage
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