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Thread: Weight!

  1. #1

    Lightbulb Weight!

    So my question is this;

    I assume that the factory weights of our early cars are indicated when the car is 'dry' - no oil, brake fluids, gas etc...Once we've tanked up with gas, filled with all fluids, much weight does this add to the factory 'specs.'?
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  2. #2
    Senior Member curtisaa's Avatar
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    Oct 2002
    Pasadena, CA

    Gas and oil

    I believe gas weighs 8lbs/per-gallon. Oil is a bit more...

  3. #3
    Moderator Chuck Miller's Avatar
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    Oct 2002
    Reseda, CA.

    Gas is about 7 lbs. and water is about 8 lbs... Had to remember that stuff a long time ago for getting right at minimum SCCA class weights...

    I thought that the factory figures were 'wet' with 1/2 tank of gas.

    I also think I remember that a 69' is for sure the lightest long LB stock 911 made.
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  4. #4


    Given the penchant for shaving ounces off these cars, e.g. removing glove box doors, clocks, etc., for those who want to nail this one down to a gnat's ass, gasoline weighs 5.8 to 6.5 lbs. per gallon (U.S.)--temperature dependent.

  5. #5
    I don't think they ARE dry -- they are according to a DIN spec.

    You would need to look up that (old) DIN spec and find out what it entails.

  6. #6
    I assumed that "curb weight" meant full of all fluids other than gas, tank 1/2 full...All factory tools, carpeting, etc. also in place...
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  7. #7
    DIN = Deutsche Invented Number.

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