carb theory (not mine, to me its all black magic)

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  • mvalenti
    Forum Mentor
    • Nov 2009
    • 748
    • Haverhill, MA
    #1

    carb theory (not mine, to me its all black magic)

    http://www.slideshare.net/J.T.A.JONES/carburetor-theory


    found this. looks like it was compiled from a few sources. its helping me, hope it helps others...
    -Mark
    Boston, MA
    Suck Squeeze Bang Blow..
    sigpic
    1980 GS850G with 79 carbs.....
    Tags: None
    • Guest
      #2
      ugh math

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        • Gorminrider
          Forum Sage
          Past Site Supporter
          • Aug 2012
          • 4803
          • British Columbia, Canada
          #3
          interesting details .... a compendium of tuning tips! lots of stuff I didn't know (but that's easy) Tuning per Relative Air density ...? wow.
          Thanks for the link!

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            • Big T
              Forum LongTimer
              Past Site Supporter
              Super Site Supporter
              • Mar 2005
              • 12392
              • West Slope, OR
              #4
              Originally posted by Gorminrider
              interesting details .... a compendium of tuning tips! lots of stuff I didn't know (but that's easy) Tuning per Relative Air density ...? wow.
              Thanks for the link!
              Well, if you check closely, you'll see it's about 2 strokes

              Interesting stuff for reference
              1978 GS 1000 (since new)
              1979 GS 1000 (The Fridge, superbike replica project)
              1978 GS 1000 (parts)
              1981 GS 850 (anyone want a project?)
              1981 GPZ 550 (backroad screamer)
              1970 450 Mk IIID (THUMP!)
              2007 DRz 400S
              1999 ATK 490ES
              1994 DR 350SES

                Comment

                • koolaid_kid
                  #5
                  It is also about a different carb design, but some of the principles, such as stoichiometric tuning (using a wideband i.e. a sniffer), EGTs and RAD are applicable across the board.
                  The other stuff, not so much.

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                    • Gorminrider
                      Forum Sage
                      Past Site Supporter
                      • Aug 2012
                      • 4803
                      • British Columbia, Canada
                      #6
                      yes, I saw that "two stroke", but it looks to be a bunch of stuff from different sources. ...how about that plug diagnosis...per side electrode?

                      this'd be a poor man's Colour-tune if it is true.

                        Comment

                        • koolaid_kid
                          #7
                          Haven't heard that one for a four stroke.

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