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Chevy/Geo Metro Real World MPG

64 messages,  Last post on Aug 06, 2009 at 7:57 PM

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#59 of 64 89 metro by drewkohls Jul 06, 2009 (10:12 am)
i just did the calculations and i got 42 mpg's with 50/50 mix driving. I have no egr valve from the factory? and i have the minimum compression, 155 psi give or take a few, on all 3 cylinders. its a 5 speed. I think if i shift a smidge earlier all the time and coast up to stops more and stay closer to 55 mph i could get that up to about 45 or so, but i only do between 55 and 60 on country highways. sounds good
#60 of 64 89 metro by drewkohls Jul 06, 2009 (10:12 am)
i just did the calculations and i got 42 mpg's with 50/50 mix driving. I have no egr valve from the factory? and i have the minimum compression, 155 psi give or take a few, on all 3 cylinders. its a 5 speed. I think if i shift a smidge earlier all the time and coast up to stops more and stay closer to 55 mph i could get that up to about 45 or so, but i only do between 55 and 60 on country highways. sounds good
#61 of 64 89 metro by drewkohls Jul 06, 2009 (10:10 am)
i just did the calculations and i got 42 mpg's with 50/50 mix driving. I have no egr valve from the factory? and i have the minimum compression, 155 psi give or take a few, on all 3 cylinders. its a 5 speed. I think if i shift a smidge earlier all the time and coast up to stops more and stay closer to 55 mph i could get that up to about 45 or so, but i only do between 55 and 60 on country highways. sounds good
#62 of 64 Geo 1996 by fincenmib Jul 06, 2009 (3:03 pm)
My best mpg on a new engine, 3 cyc. is 50 so far. Just regular gas, nothing special other than platnum plugs. The old engined smoked and was an oil burner and consistantly got 53-57 mpg, go figure! The newer engine goes pretty fast for a 3 banger, it has the power now, but it did lose a few on the mileage.   JB
#64 of 64 Metro Timing by mikell1 Aug 06, 2009 (7:57 pm)
New to the forum. Have a 1998 Chevy Metro 3 cyl. 1.0 liter. Was getting in the mid-40's up until a few months ago when I had to replace the balding tires. About the same time, had to replace the water pump, which required removing the timing belt. Lost about 5 mpg after either the tire replacement or possibly affecting the timing in the water pump replacement (had to remove timing belt). Wondering what others with same engine are timed at and whether I should try and advance timing to regain fuel economy. Or could improved traction of new tires caused this much lost in fuel economy.

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