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Car advice needed

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  • Car advice needed

    Anyone ever done or know someone who did a diesel to vegetable oil fuel conversion? I'm considering getting an older Mercedes diesel and converting it to use vegetable oil.

    Considering I drive 70 miles round trip to work each day I could save some cash on gas.

  • #2
    Re: Car advice needed

    there are a couple of shops who restore and convert benzes here in LA. if you're going to burn grease, you have to be able to procure, treat and store gallons of it. the cars can burn grease without any modification, if I recall, but to burn biodeisel, then need new lines and hoses, which will run you about a grand.

    I had an old 300D back in the day. they're good cars, but don't underestimate how differently a 4000lb car with 92 horsepower drives than whatever you're driving now.


    • #3
      Re: Car advice needed

      I might have a chance to pick up a 1996 E300D local. Does the conversion drop HP?


      • #4
        Re: Car advice needed

        I wouldn't think that the parts for conversion affect horsepower, and you'd think that there are just as many hydrocarbons in grease as there are in diesel, or you'd never get combustion at all. the E300Ds probably have more efficient engines than my 1981 300D. if the price is right, I'd go for it. you can always sell it to some hippie kid so they can tour with Phish.

        1996 Mercedes-Benz E-Class E300D
        Rear-Wheel Drive
        Engine layout I6
        Horsepower 134 hp @ 5000
        Torque 155 lb-ft @ 2600
        Compression ratio 22.0:1
        Displacement 2996 cc
        Valvetrain 24/DOHC
        Horsepower per litre 44.73
        Sizes and Capacities
        Height 56 in
        Width 70 in
        Length 189 in
        Front track 60.2 in
        Rear track 59.9 in
        Wheelbase 111 in
        Weight for automatics 3538 lb
        Gastank capacity 17.2 gal
        MPG, fuel and more
        Original msrp $39900
        Tires 215/55R16
        City economy 28 mpg
        Highway economy 35 mpg
        Standard seating 5
        Doors 4
        Fuel system Diesel/MFI
        Front suspension Ind
        Rear suspension Ind
        4-Speed Automatic