3" abs flexable?

Discussion in 'Plumbing Forum, Professional & DIY Advice, Tips & ' started by cammok5, Jan 4, 2008.

  1. cammok5

    cammok5 New Member

    Messages:
    3
    im acualy building a snorkle for my trucks intake, not realy plubmbing but.. im using 3" abs pipe and i need it do have a bend anout 5* give or take. can you heat up the 3" abs and bend it at all or is there something else i can do? thanks for the help
  2. construct30

    construct30 New Member

    Messages:
    590
    Location:
    NorthWest PA
    ABS pipe flames at a low temp and can be toxic so you can try, but be very careful.

    PVC conduit does bend easier with just a heat gun. I wouldn't use an open flame on PVC or ABS.

    Go to stacey davids gearz web site ask there. They will know the situation.
  3. Bob NH

    Bob NH In the Trades

    Messages:
    3,317
    Location:
    New Hampshire
    I haven't tried bending ABS but have bent 2" PVC conduit by heating it.

    You can buy flexible PVC which would be my preference for an intake attached to an engine. The vibration and movement of the engine on the flexible mounts is likely to put large forces on a rigid connection.

    If your engine needs a snorkle then you must have an intersting task to make the electrical system work under water.
  4. Phil H2

    Phil H2 New Member

    Messages:
    125
    Location:
    Tujunga, CA
    If it is ABS drain pipe, it probably has a foam core. I never tried bending it. But, I suspect that the foam core could cause problems when bending.
  5. Wet_Boots

    Wet_Boots Sprinkler Guy

    Messages:
    798
    Location:
    Metro NYC
    Use the flex pipe, and don't try to bend the ABS
  6. construct30

    construct30 New Member

    Messages:
    590
    Location:
    NorthWest PA
    For a snorkel you need a smooth interior wall and gradual bends to keep restriction at a minimum. The flexable pipes are all corrigated that I have seen, they will not work for his application so don't recommend it unless it is smooth and minimum restriction.
  7. Wet_Boots

    Wet_Boots Sprinkler Guy

    Messages:
    798
    Location:
    Metro NYC
    The flex PVC you'll find used in spas and swimming pools has a smooth inside wall.
  8. construct30

    construct30 New Member

    Messages:
    590
    Location:
    NorthWest PA
    That stuff could work and you just use PVC glue and fittings with it, but didn't he say he needs 3". The biggest I've seen is 2".
  9. cammok5

    cammok5 New Member

    Messages:
    3
    ya i ned 3". do they make any rubber/silacone "pipes" that would go over the 3" abs so i could just cut the pipe and use the rubber part as my bend?
  10. Redwood

    Redwood Master Plumber

    Messages:
    7,452
    Location:
    Connecticut
    ABS should prove very interesting in a high heat application under a hood... Have ya got a fire extiguisher? I would look to an aftermarket parts manufacturer to provide one... It just might be engineered for the application.
  11. cammok5

    cammok5 New Member

    Messages:
    3
    ive seen a few people use abs under there hood for the same thing im doing. ive also heard t use abs and not pve becouse when pvc burns it has toxic fumes and abs doesnt. i can always use that heat rapping tape on my headers if it melts

    btw they dont make any kind of air intake for my 84 ford except them round air filters that sit on the carb. im forced to make my own
  12. Wet_Boots

    Wet_Boots Sprinkler Guy

    Messages:
    798
    Location:
    Metro NYC
    There has to be a better way to get what you need. I could even see trying to 'build' your part from fiberglass and resin.
  13. Redwood

    Redwood Master Plumber

    Messages:
    7,452
    Location:
    Connecticut
    How true except ABS lights up at a lower temperature than PVC. How do you feel about melted plastic draped over the top of your motor?
  14. construct30

    construct30 New Member

    Messages:
    590
    Location:
    NorthWest PA
  15. Bob NH

    Bob NH In the Trades

    Messages:
    3,317
    Location:
    New Hampshire
    Up to 6".

    http://www.flexpvc.com/
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