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Mercedes/BMW/Ferrari
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Discussion Starter #1
Getting 14MPG with mixed use city/highway I was looking for a bit more as this is my daily driver for the next 3-4 years with about 110 miles per day/5 days a week.
Before I did anything I managed to get a few dyno runs at school
I was returning a solid 180 Hp/237 Torque at the wheels.

1. Sliced off the kidney beans and ran straight pipe/ high flow Magnaflow three way converter running through stock rear silencer.
2. Leaned the mixture to .4% at cruise before the converter
3. MSD Ignition
4. Moved cam timing 2 degrees advance (both cams)

Result 258 Torque/191hp + 3 MPG more...woohooo!!!!!!
I doubt i'll be able to break 20mpg but 17 mixed use is exciting all for now...

I also slammed the front end to the point of looking cruel so now I have to find factory springs again...Darn
 

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'82 Euro 500SEL, '85 Euro 500SEC AMG WB Cabriolet,'86 Euro 500SEC RUF
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9,487 Posts
I had a 560 SEC that routinely would get 19 MPG if I drove it with common sense. Could break 20 if I used the cruise control on long trips and no funny business. It was a US 560. My Euro 500SEC would get 15-16, high one day was 18, on a long trip.
 

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1985 500 SEC EURO AMG/LORINSER; 1988 560SEL, 1995 S500 Sonderschutz
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3,679 Posts
could use bigger rotors. Got the wagon wheel look going on.
 
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