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Snorkel

Discussion in 'Daihatsu Hi jet' started by dale hynes, Apr 10, 2021.

  1. dale hynes

    dale hynes Member

    I have tried several snorkels on my 93 S83P, and finally found an easy one. I plugged the hot air inlet on the stock air filter housing, don’t want water coming in there, removed the rubber hose from the air filter inlet to the frame. I then got an upper radiator hose for a Plymouth valiant with a slant six, 69 in this example. It slips over the stock air filter intake and when cut to fit, makes a 90 degree turn through the hole in the cab support. I then used 1.25 inch ABS water piping, with a 90 degree elbow coming out of that radiator hose and pointing up to the box bed. I cut an appropriate sized hole in the bed right near the right corner of the cab, inserted a 24 inch piece of the pipe into the 90 degree fitting and put 2 90 degree fittings on the end of the pipe so rain doesn’t get in. It works in two feet of water so far.
     
    Juju1187 likes this.
  2. bobjonah

    bobjonah Active Member

    Why do they make 17" high rubber boots ? - for finding 18" deep water ! If you are going to be wading rivers, don't forget your other vents - diff, tranney. distributor etc.. They can all be routed into the snorkel, or at least to another high point.

    Good job on the snorkel
     
    Brandon Phillips likes this.
  3. Jigs-n-fixtures

    Jigs-n-fixtures Well-Known Member

    I’ll second Bob. As you hit the water it is generally cooler than the air, and thing cool down and contract. My nephew ruined the differentials on a Power Wagon by fording icey streams. Water was deep enough to come upto his floor boards, and the chilling by the water cause the differentials to cool down rapidly and suck in water. Then he went home and parked the truck for a couple of months.

    Started it up and started to run it and go a howl out of the rear differential. Went home and drained the difffs, and found the milky oil. Pulled the covers and found rust.
     
    Limestone likes this.
  4. dale hynes

    dale hynes Member

    All pieces are vented to the snorkel.
     
  5. Helirazor

    Helirazor New Member

    Hi Dale, not sure what it is like on your Hijet but on the S210p I've found the inlet for the cab air ventilation system is just inwards slightly from the passenger side front headlight. I know you always want a bow wave when wading, but it may also push water into the cab. I know I'd be looking to find a way of sealing it better as the "recirculation" lever just shuts a flap but it's not 100% and certainly would not be water tight.

    Do you have any snorkel pics please it sounds cool!
     
  6. Jigs-n-fixtures

    Jigs-n-fixtures Well-Known Member

    On the 80, and 100 series Hijets, the air inlets route from behind the “bumper” down the frame rails, and gets pulled from the frame rails. It pulls from the left side until the engine warms up, and goes through the heat exchanger around the catalytic converter, and across to the air mixer box on the right side. The feed from the right side goes from an outlet on the frame to the air box, and then on to the carb. When the engine is cold, a vacuum signal run through a thermostatic valve to the air box. When the engine is cold it pulls the preheated air from the left side, and as things warm up it draws cold air from the right rail.

    If you haven’t installed a snorkel, do not try to wade the trucks. The engine will not react well to water coming in the intake.

    If I didn’t have a pick/tipper I would drill a hole up through the front of the bed, right behind the back wall of the cab, and up to about 4-inches above the cab roof. The Carbs have tiny throats, so I’d probably go with 1-1/4 or 1-1/2 inch exhaust tubing. You can buy pre-made bends if you don’t have a Bender, and flanges to weld on, pre-cut.
     
    Helirazor likes this.

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