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How to make a snorkel?

Discussion in 'OffRoad Design' started by ChevyCaGal, Oct 11, 2001.

  1. ChevyCaGal

    ChevyCaGal 3/4 ton status

    Dec 16, 2000
    Likes Received:
    Sacramento, CA USA
    I have no clue where to even begin... is there a write up somewhere where I could get really basic simple step by step directions as to how to make a snorkel? I'm talking like instructions a 5 year old could get because I want to get it totally and not mess it up. I don't necessarily want cheap to make a cheap one either. But not one really expensive... like under a $100 bucks would be good. Something that doesn't look like they taped some pcv pipe up with duct tape... anyhow any help would be appreciated. Thanks! [​IMG]

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  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

    Jul 23, 2000
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    E-town baby!
    PVC is gonna be the only snorkel you could make for under a hundred bones. Send a pm to Thumper...he did his own snorkel.


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  3. SlyDog

    SlyDog 1/2 ton status

    Oct 23, 2000
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    Scottsdale, Arizona
    Hey Steph ... Check this one out ! <a target="_blank" href=http://www.off-road.com/chevy/tech/snorkel/>http://www.off-road.com/chevy/tech/snorkel/</a> Thumpers is also very cool !

    <font color=green>[​IMG]1977 K5 GETTIN IT AWN[​IMG]</font color=green>
  4. DieselDan

    DieselDan 1/2 ton status

    Jan 27, 2001
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    How about having a muffler shop bend up some 3" (or larger pipe) instead of going the "plumber's special" route. Might look a little cleaner without breaking the bank.

    Real trucks don't have spark plugs!
  5. Stephen

    Stephen 1/2 ton status Moderator Vendor

    Sep 15, 2000
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    Carbondale Colorado
    Doing a permanent installation that looks good for little cash probably isn't going to happen. I know of several vehicles with converted ARB snorkels from FJ60's I think, that seems to work out OK for lower output motors, but I think it's really going to choke a larger motor. We had a custom plenum built, cost about $120 or so for a sheet metal shop to build it, then a couple hours of our time to finish building it like we wanted, oops. would have been easier to do it all on our own I think. We went from there to 5" semi truck exhaust tube into the cab through the heater hole, then ran a conical filter under the dash. For the tank trap, we necked down to 4" PVC and ran it up higher. I didn't want to choke the motor, and evidently didn't. I had no idea we took the acceleration by a full second!

    I wouldn't run a snorkel full time, it's just too hard to get a big enough tube out of the engine bay while not obstructing vision or being vulnerable to getting knocked off by a rock or tree. A cold air intake from the grille is what I'm after for the final form. I'm not too worried about deep water, I can drive in 4 feet of water and just barely be over the tires! I don't have anything like that around here.

    Engine output and air demand is the biggest problem. for a small block, there are a LOT of intake systems that will get you a plenum (bolts to the carb/throttlebody) and some tube to start with. from there, I don't know what to tell you. For a big block, you'll probably just need custom parts to get big enough tubing.

    Hope this helps!

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