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Thread: custom ra28 alloy fuel tank.

  1. #1
    Excited Member Grease Monkey thomasbl's Avatar
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    Default custom ra28 alloy fuel tank.

    A friend has offered to have an aluminium tank made up for my 28. He wanted me to put through an order for ally sheet for him. he suggested 3mm, but lives in a racing world where shaving grams is of benefit. Any suggestions, would 3mm be adequate?

  2. #2
    Diserter Domestic Engineer
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    Default Re: custom ra28 ally fuel tank.

    I was told aluminium is porous and advised away from using it for street tanks... anyone?

  3. #3
    Forum Sponsor Conversion King
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    Default Re: custom ra28 ally fuel tank.

    Quote Originally Posted by thomasbl
    A friend has offered to have an aluminium tank made up for my 28. He wanted me to put through an order for ally sheet for him. he suggested 3mm, but lives in a racing world where shaving grams is of benefit. Any suggestions, would 3mm be adequate?
    3mm alloy would be more than adequate. 2.5 would be fine also.
    if you look at most aftermarket cell there only made from 1.6 but i wouldnt install one of these under a car as 1.6 could get peirced by a rock @ decent speeds.
    cheers
    linden

  4. #4
    ra28 Grease Monkey
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    Default Re: custom ra28 ally fuel tank.

    i always thought that for a street tank it should be made from stainless???

    krem
    ke20 being restored and soon up for sale

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    Banned Backyard Mechanic Scoobzd's Avatar
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    Default Re: custom ra28 ally fuel tank.

    stainless would look prettier ive been told for motorbikes, yes i no a little bit off course, that 1.8 is fine, but i would personally stick with 3 or maybe even 5mm just to make sure.

  6. #6
    she loves me coz im a Conversion King love ke70's Avatar
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    Default Re: custom ra28 ally fuel tank.

    5mm farkin, just make it out of armour plate!!! lol
    3mm is some pretty serious stuff anyway
    theres alot of commos and kingswoods running around with ally drop tanks, i reckon you will be save with aluminium
    MY RIDE, 2 Door LHD KE70 sedan with 1G HKS stroker: http://www.toymods.org.au/forums/showthread.php?t=51760

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    Junior Member Grease Monkey
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    Default Re: custom ra28 ally fuel tank.

    Depends on the grade, but I'd say you'd be pretty safe with 3mm.

    What grade are you thinking of using?

  8. #8
    Junior Member Backyard Mechanic bigmat's Avatar
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    Default Re: custom ra28 ally fuel tank.

    what would an engineer say? for legalities.

  9. #9
    stunt dog Backyard Mechanic Esteban's Avatar
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    Default Re: custom ra28 ally fuel tank.

    Yep, the guy that's going to engineer your car would be the first person I'd ask ...

    Are you going to weld the surge tank into the drop tank while you're at it?
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  10. #10
    Excited Member Grease Monkey thomasbl's Avatar
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    Default Re: custom ra28 alloy fuel tank.

    Im not going to bother putting an intank pump etc in at the moment. I have all the other stuff setup so ill just get a tank made up at the moment. If i decide to clean it up a bit later, ill have him make another one up for me with all the tricks neatly inside.

  11. #11
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    Default Re: custom ra28 alloy fuel tank.

    you can put a surge on the side and have all the pumps mounted on the tak to make life much easier and it looks nicer also.
    cheers
    linden
    i have one sitting here if you want pics send me pm with your no and ill send you pics to your phone.

  12. #12
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: custom ra28 alloy fuel tank.

    I dunno about Vic, but in WA fuel tanks can only be made by people who are certified by the Trans Dept to make them.

    You can't exactly make one, and then get it signed off by someone.
    Sure, some places may do it, but most wont.
    Peewee
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  13. #13
    Junior Member Grease Monkey
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    Default Re: custom ra28 alloy fuel tank.

    Quote Originally Posted by thomasbl
    Im not going to bother putting an intank pump etc in at the moment. I have all the other stuff setup so ill just get a tank made up at the moment. If i decide to clean it up a bit later, ill have him make another one up for me with all the tricks neatly inside.
    Have you checked he price of alloy lately? A 3 foot by 6 foot sheet of 6061 (in a T6 temper), will cost you $450. If you want to go for aircraft grade (the same stuff they use for the skin). which is a 2024 T3, that will cost you $1500 for the same size sheet.

    Chromoly plate is bout the same as the 2024, at $36 per square foot, or $1730 a sheet

    And none of those prices have GST.

    And you want to make too Talk about a making a sizeable cost massive

    CrUZida sounds right too, it would be stupid if anyone was allowed to make tanks

  14. #14
    Excited Member Grease Monkey thomasbl's Avatar
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    Default Re: custom ra28 alloy fuel tank.

    Cost isn't an issue. I will all be done on the house, or for a slab at most. If i was paying, then i would be doing a hell of a lot more planning and research, especially given the prices of sheets. Thanks anyway.

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    Default Re: custom ra28 alloy fuel tank.

    Quote Originally Posted by Lachie
    Have you checked he price of alloy lately? A 3 foot by 6 foot sheet of 6061 (in a T6 temper), will cost you $450. If you want to go for aircraft grade (the same stuff they use for the skin). which is a 2024 T3, that will cost you $1500 for the same size sheet.

    Chromoly plate is bout the same as the 2024, at $36 per square foot, or $1730 a sheet

    And none of those prices have GST.

    And you want to make too Talk about a making a sizeable cost massive

    CrUZida sounds right too, it would be stupid if anyone was allowed to make tanks
    dont know who does your fab work but if they do it out of T6 then they have probs in the head.
    you cant fold it properly in 3mm or larger as it will split on the fold line and i would rather not have a tank that is made from seperate plates weded together as it would be a massive PITA to get it all straight and warp free so why bother.

    no alloy isnt cheap but materials wise it wouldnt be more than $250-300 odd its more the labour that would be up the ass but his mate isnt charging him so what does it matter.

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