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Old 02-20-2008, 07:12 PM
Philip Justice's Avatar
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Location: East Central, Florida
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Better Gas Mileage?

Phil Here, I know i Have a V8 500 SL and It' not a Volkswagen but has anybody have a Secret for a little better Gas Mileage? Maybe a different "Chip" or some Special Spark Plugs? I really enjoy my Sweet SL but a few more miles per gallon would be nice. It's the principle of It All!

1992 Sweet 500SL 61K. Phil Justice
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Old 02-20-2008, 08:47 PM
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Location: Milwaukee Wisconsin
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Take one fresh egg.....Carefully tape it to the accelerator pedal. Never press hard enough to break the egg. Seriously, I average 20-21 overall and 25 to 26 hwy mpg on a 1991 300SL. I understand that the 500SL does about 3 mpg less. That's not bad for a car of this weight and vintage. They weren't built for economy. In 1992 your car cost about $100K. Gas was less than $1.50 per gallon. Who'd spend that much on the car and then worry about mileage?
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Old 02-20-2008, 10:47 PM
nobby's Avatar
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Quote:
Originally Posted by Philip Justice View Post
Phil Here, I know i Have a V8 500 SL and It' not a Volkswagen but has anybody have a Secret for a little better Gas Mileage? Maybe a different "Chip" or some Special Spark Plugs? I really enjoy my Sweet SL but a few more miles per gallon would be nice. It's the principle of It All!

1992 Sweet 500SL 61K. Phil Justice
You could drive it around on the back of a float truck.
I'm just sayin'.....
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Old 02-21-2008, 12:24 AM
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I love the egg trick~ I have a 450~ that is the truth.
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