Carb. Sychronizer ?

Discussion in 'Motorbike Technical Discussion' started by Iowa883, Jul 11, 2004.

  1. Iowa883

    Iowa883 Guest

    What would be the best synchronizer for the small shop owner ? Something
    that would be estimated at being used a dozen times a year or less ?
    Thanks,
    Iowa883
     
    Iowa883, Jul 11, 2004
    #1
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  2. Just a decent set of four vacuum gauges. What else?
     
    The Older Gentleman, Jul 11, 2004
    #2
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  3. Iowa883

    John Johnson Guest

    I bought a CarbTune II this year, and like it quite a bit. It's compact
    (unlike a rack of vacuum gauges), accurate, comes with a big pile of
    adapters and all necessary hoses, and doesn't have any mercury in it
    (big plus for me). On the other hand, it cost me $115 or so because of
    the lousy exchange rate between the USD and UKP.

    My local shop uses a mercury manometer. The shop guy there said that he
    was always recalibrating his vacuum gauges and even then the manometer
    was more accurate. I don't want to deal with storing and moving mercury,
    so I rejected this option. On the other hand, manometers are compact and
    relatively inexpensive (usually $40ish) as well as being accurate.

    A bunch of people online have fabricated manometers that use other
    fluids (ATF, water, etc.) out of clear tubing and a yardstick. They
    apparently work quite well (though the reporters are likely to be
    biased, given that they built the things), are inexpensive ($15ish in
    parts), and if you're not moving it anywhere, the fact that it's 3ft
    tall isn't that big of a deal.

    A rack of vacuum gauges is your other choice: they're relatively large,
    often expensive ($80ish for nice ones, I was warned against the $30ish
    ones from places like JC Whitney-for all I know those work just fine),
    (apparently) need to be calibrated, and are quite accurate.

    THat doesn't tell you which is the best, but it does cover pretty much
    all of the options. HTH

    --
    Later,
    John



    'indiana' is a noun. Leave only the noun between @ and .edu to reply
     
    John Johnson, Jul 11, 2004
    #3
  4. Iowa883

    M. MacDonald Guest

    You can buy an inline vacuum restrictor at Pep Boys for maybe a buck or two
    if you fear sucking up fluids from your home made manometer. I did it on
    mine and it dampens the fluid movement (colored water) nicely. I own one of
    those expensive Carbunes and this cheapo thing does an even better job
    albeit it is taller. Mine's on a long board without the yardstick, maybe 4
    or so feet.

    http://www.powerchutes.com/manometer.asp

    Mack
     
    M. MacDonald, Jul 12, 2004
    #4
  5. Iowa883

    Tostada Guest

    ....and those threaded tubes that screw into the manifold ports.
     
    Tostada, Jul 13, 2004
    #5
  6. Well, yeah. My set of gauges was ready-supplied with those.
     
    The Older Gentleman, Jul 13, 2004
    #6
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