359 3406 air to water swap

Discussion in 'Peterbilt Forum' started by drummer33, Dec 31, 2020.

  1. drummer33

    drummer33 Bobtail Member

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    Dec 31, 2020
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    I have a 359 Pete with a bad cat 3406b that's air to water. I also have an air to air 3406b I can put in it. Im wondering if I can swap the intake manifolds and convert the air to air to air to water? Ive toyed with the idea of converting the Pete to air to air, but its a short hood and Im concerned there won't be enough space with the ac condenser.
     
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  3. wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    Yes the water jacket manifold bolts right on.


    Being a short hood has no bearing on if air to air will fit. The distance from the grill to front of the engine is the same as an exhd. The extra 8 inches is between the back of the engine and the fire wall
     
  4. drummer33

    drummer33 Bobtail Member

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    Dec 31, 2020
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    So If I bought a charge air cooler for 359 I could use my existing radiator?
     
    650cat425 Thanks this.
  5. wore out

    wore out Numbered Classic

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    CHASIN THE DEVIL'S HERD
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    No you need a radiator and CAC from an 86 or 87 359. That's the only years a 359 had air to air. If your wanting a direct fit
    Now that said if your crafty you can make something work but usually looks like hell. If it was mine I'd throw the JWAC on it and run the hell out of it
     
  6. drummer33

    drummer33 Bobtail Member

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    Dec 31, 2020
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    Thats what I was thinking too. Thanks for your help
     
    blairandgretchen and 650cat425 Thank this.
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