another MPG thread
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Joined: Mar 2009
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Year: 1996
Model: Cherokee
Engine: 4.0
another MPG thread
ok. so I honestly have read almost all mpg threads. seriously I have. But what makes city driving so much worse than highway? I know that it is, but I still don't understand why.
Last trip to Tahoe I got 22mpg all stock with 275's. New exhaust header all the way through. Full tune-up. All new fluids. New cooling system (runs a bit cool actually).
City= 12 mpg!
Last trip to Tahoe I got 22mpg all stock with 275's. New exhaust header all the way through. Full tune-up. All new fluids. New cooling system (runs a bit cool actually).
City= 12 mpg!
CF Veteran
Joined: Sep 2010
Posts: 2,844
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From: Warsaw, IN
Year: 2000,1990,1999
Model: Cherokee
Engine: 4.0
ok. so I honestly have read almost all mpg threads. seriously I have. But what makes city driving so much worse than highway? I know that it is, but I still don't understand why.
Last trip to Tahoe I got 22mpg all stock with 275's. New exhaust header all the way through. Full tune-up. All new fluids. New cooling system (runs a bit cool actually).
City= 12 mpg!
Last trip to Tahoe I got 22mpg all stock with 275's. New exhaust header all the way through. Full tune-up. All new fluids. New cooling system (runs a bit cool actually).
City= 12 mpg!
The stop and go. 275's???????
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Joined: Jun 2010
Posts: 849
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From: Slaughter, LA
Year: 1997
Model: Cherokee
Engine: 4.0L
Inertia.
Changes in acceleration waste gas. Once you get to cruising speed it is much more efficient than accelerating and decelerating. Doing that, you're just converting the engine energy into brake heat.
Changes in acceleration waste gas. Once you get to cruising speed it is much more efficient than accelerating and decelerating. Doing that, you're just converting the engine energy into brake heat.
CF Veteran
Joined: Sep 2010
Posts: 2,844
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From: Warsaw, IN
Year: 2000,1990,1999
Model: Cherokee
Engine: 4.0
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