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Thread: vacum line or no vacum line

  1. #1
    bigsmoke1956 Guest

    vacum line or no vacum line

    Help,

    With the new dry cells which is the best way induce the hho into the injectorw by way the vacum or by air intake, which is the best to do it.

    thanks
    Bigsmoke1956

  2. #2
    Join Date
    Aug 2008
    Location
    Southern Alberta Canada
    Posts
    483
    I use a vacuum line and one to before the throttle body.

    i run both lines off of my bubbler.

    just dont use a big vacuum line, it will suck water out of the bubbler.
    Come to the Darkside - We have Cookies
    And lots of KOH (16 LBS)

    Not currently running HHO.
    I dont run HHO during winter.

  3. #3
    Join Date
    Aug 2008
    Location
    Wichita Kansas
    Posts
    135
    When you use a vacuum line it lowers the atmospheric pressure, as well as your boiling point. SO if your cell gets hot, it will boil faster. I ran mine through a bubbler of vinegar so that any water sucked out got caught in it. I ran mine through the air intake and vauum line, and had no problems but I'm sure it may have lowered my MMW a bit when it got hot.
    1995 Chevy Camaro
    17 MPG base city/highway
    Listening to Van Halen

  4. #4
    Join Date
    Jul 2008
    Location
    Federalsburg, MD
    Posts
    1,538
    I used a vacuum line for many months without incident, then ended up with water in my brake master cylinder and hardly being able to stop my truck at 5mph. The vacuum line I used was NOT the brake vacuum.

    In my opinion, vacuum isn't worth the safety risk. I was lucky that my problem occurred before I pulled out of my driveway onto the road, you might not be so lucky.

    Russ.
    2006 Dodge Ram 4.7L - 16.5 mpg stock
    My thread Painless Experiment in HHO

  5. #5
    Join Date
    Oct 2008
    Location
    Peoria, IL
    Posts
    363
    Quote Originally Posted by Painless View Post
    I used a vacuum line for many months without incident, then ended up with water in my brake master cylinder and hardly being able to stop my truck at 5mph. The vacuum line I used was NOT the brake vacuum.

    In my opinion, vacuum isn't worth the safety risk. I was lucky that my problem occurred before I pulled out of my driveway onto the road, you might not be so lucky.

    Russ.
    (i only post this to help people avoid hooking up to vacuum)

    this may have occurred becasue the brake booster is actually a vacuum reservoir. When the engine is not running, there's still some vacuum present because the booster 'stores' some vacuum. It does this to assist in stopping your vehicle in the event the engine stalls. when your engine is shut off, the booster is still 'providing some suction' and could siphon off some of your bubbler fluid. As Painless found out, it's not a very healthy outcome.

    EDIT: I should add that there are some that use this method (anyways) and have had no incident, you may do so at your own risk. IMO the small bit of 'perceived' gain isn't worth the risk.

    I hope this helps
    mike
    Individually our voices are but a whisper, only together will we be heard.
    ENERGY SHOULD BE AND WILL BE FREE

  6. #6
    kaptar Guest
    You know that your vacuum is highest when you back off the throttle. I don't think that is when you need your biggest shot of hho. Wouldn't it go right out the exhaust with no benefits?

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