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Any recommendations on dual manifold vacuum gauge for carb sync? Really like the one in the carb sync video but can’t find a comparable. I have the carbmate, which I do like, but I’d rather be able to see rpm of each side like in the video. 

thanks! 

  • Re: Dual manifold vacuum gauge

    by » 3 months ago


    Nicholas

    They work great but you have to look for them.  Found one listed on Ebay, it is a bit pricey however.  If you go to the aircraft flea markets at airshows they normally have a few.  I have seen them at much lower costs in Oshkosh or Sun n Fun for example.  

    Cheers

    38069_2_dual MAP .jpg (You do not have access to download this file.)

    Thank you said by: Nicholas Wilcox

  • Re: Dual manifold vacuum gauge

    by » 3 months ago


    My carb vacuum gauges are cheap dial (Bourdon tube) types from a motorcycle shop - they work very well.

    Try eBay ($40 Australian)

    Had to purchase sufficient length of vacuum hose/tube, so gauges can be temporarily mounted in cockpit but otherwise use as is.

    Dials can be zeroed.

    I always swap vacuum hose to check for gauge error - has never been a problem.

    Motorcycle carburetors balance gauges from www.ebay.com.au

     

    Not sure why you want rpm - its will be the same for each side ie same as your instrument tacho.


  • Re: Dual manifold vacuum gauge

    by » 3 months ago


    It’s weird that there’s not much new market for them anymore. Thanks though 


  • Re: Dual manifold vacuum gauge

    by » 3 months ago


    Nicholas Wilcox wrote:

    It’s weird that there’s not much new market for them anymore. Thanks though 

    The digital world is taking over. ?


    Roger Lee
    LSRM-A & Rotax Instructor & Rotax IRC
    Tucson, AZ Ryan Airfield (KRYN)
    520-349-7056 Cell


  • Re: Dual manifold vacuum gauge

    by » 3 months ago


    For the home mechanic, carby balancing is usually an infrequent task. Throwing more money at a fancy carb balance tester, won't make the job any easier or more accurate. 


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