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  1. #1
    Join Date
    Sep 2007
    Posts
    322

    Default aluminum fuel tank (not cell) for the street?

    I cannot find any online discussion of this.

    Are there drawbacks with a fabricated tank that's aluminum rather than steel/stainless? Totally street car. All weather.

    My car's stock steel tank is about 18 lbs empty. If there was an 18-lb barbell strapped to the undercarriage and it needed replacing, it seems reasonable to spend a few extra bucks to get a 10-lb one.

  2. #2
    Join Date
    Oct 2014
    Location
    DFW, Texas
    Posts
    238
    Country Flag: United States

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    It's likely a bit more prone to cracking in the event of an accident, but that may be the least of your worries if you wreck a classic car.
    1972 Plymouth 'Cuda - Not LS-swapped, 5.7L Hemi [MS3 Gold Box], T56 Magnum 6-speed1976 Dodge D100 - Warlock
    2016 BMW X1
    2016 Subaru WRX


  3. #3
    Join Date
    Jun 2001
    Location
    Orlando, FL
    Posts
    10,767
    Country Flag: United States

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    I've used aluminum for custom tanks several times. It's actually less prone to cracking than stainless steel, so the real issue is proper design to deal with its lower strength.

    On balance, though, I prefer aluminum.
    John Parsons



    II Much Fabrication's Blog -- New products, Fabrication sequences, etc.

    II Much Fabrication's Current Build -- LS9-powered 69 Camaro

  4. #4
    Join Date
    Sep 2006
    Location
    Southern Indiana
    Posts
    4,605
    Country Flag: United States

    Default

    For limited use dont forget to pour in Stabil. Daily driven I have actually seen corrosion in alu tanks!

    Lee Abel
    AFTERMARKET PERFORMANCE

    1977 Chevy Monza 2+2:Project "Cheap Trick"
    1978 C10 Long bed , On air and trailer puller
    2006 Buell Blast ,Just a bike to ride and for mileage
    1966 Caprice 4dr Sports Roof fact.327/now 350/SOON 454???? Project "II Old,,,ZERO BUDGET OR LESS CAPRICE!"




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