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Question about Vance and Hines

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    #1

    Question about Vance and Hines

    My question today is one of concern of the header pipes connected with and Vance and Hines 4-1 system.

    If the pipes coming out of the head are blue, doesn't that indicate a lean running engine or is it simply due to the single wall construction of the header pipes?

    TIA
    Larry

    '79 GS 1000E
    '93 Honda ST 1100 SOLD-- now residing in Arizona.
    '18 Triumph Tiger 800 (gone too soon)
    '19 Triumph Tiger 800 Christmas 2018 to me from me.
    '01 BMW R1100RL project purchased from a friend, now for sale.
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    #2
    The single wall will contribute to the bluing, tho my chrome V&H lasted a few yrs with only getting gold, not blue...And I never understood why but both too lean or too rich can get the exhaust too hot & turn the pipes blue...Just my opinion.
    1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

    Comment

      #3
      I don't think I've ever seen a set of V&H without a bit of blue on them...
      1980 GS1000G - Sold
      1978 GS1000E - Finished!
      1980 GS550E - Fixed & given to a friend
      1983 GS750ES Special - Sold
      2009 KLR 650 - Sold - gone to TX!
      1982 GS1100G - Rebuilt and finished. - Sold
      2009 TE610 - Dual Sporting around dreaming of Dakar..... - FOR SALE!

      www.parasiticsanalytics.com

      TWINPOT BRAKE UPGRADE LINKY: http://www.thegsresources.com/_forum...e-on-78-Skunk/

      Comment

        #4
        Originally posted by salty_monk View Post
        I don't think I've ever seen a set of V&H without a bit of blue on them...
        Then you have not seen mine...lol...it is 10 years old and has 30,000kms (20,000 miles) on it...it's been great!





        No signature :(

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          #5
          00Q0Q_cE1y4qURzDjz_0CI0t2_1200x900.jpg

          how about this for bluing? Too lean?
          Larry

          '79 GS 1000E
          '93 Honda ST 1100 SOLD-- now residing in Arizona.
          '18 Triumph Tiger 800 (gone too soon)
          '19 Triumph Tiger 800 Christmas 2018 to me from me.
          '01 BMW R1100RL project purchased from a friend, now for sale.

          Comment

            #6
            Originally posted by alke46 View Post
            [ATTACH=CONFIG]63789[/ATTACH]

            how about this for bluing? Too lean?
            One of the common reasons for heavy blue like that is allowing the engine to idle too long without a fan blowing on the engine. Not good for the engine either.
            Ed

            To measure is to know.

            Mikuni O-ring Kits For Sale...https://www.thegsresources.com/_foru...ts#post1703182

            Top Newbie Mistakes thread...http://www.thegsresources.com/_forum...d.php?t=171846

            Carb rebuild tutorial...https://gsarchive.bwringer.com/mtsac...d_Tutorial.pdf

            KZ750E Rebuild Thread...http://www.thegsresources.com/_forum...0-Resurrection

            Comment

              #7
              Oooohhhh, That's BAD, how long did it take to get that way? Not sure what it is, but something screwed for sure.
              1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

              Comment

                #8
                That's the bike listed in the road ready bikes for sale thread started by member omaharj. I've looked at it once and I am going to look at it again tomorrow but I have my doubts the seller is going to negotiate to my satisfaction. The bike also comes with the stock 4-2 exhaust.
                Larry

                '79 GS 1000E
                '93 Honda ST 1100 SOLD-- now residing in Arizona.
                '18 Triumph Tiger 800 (gone too soon)
                '19 Triumph Tiger 800 Christmas 2018 to me from me.
                '01 BMW R1100RL project purchased from a friend, now for sale.

                Comment

                  #9
                  My V&H are pretty blued out. Seller could never get the carbs sorted out and like Ed said, maybe didn't run a fan when failing at it.
                  Tom

                  '82 GS1100E Mr. Turbo
                  '79 GS100E
                  Other non Suzuki bikes

                  Comment

                    #10
                    To me, that looks a lot more like tooo much heat coming straight out of the cyl., through exhaust valve, than the eng getting too hot from lack of air circulation. Dang'it my memory...I remember back in the day the local shop had a customers bike down & back together, not sure what for, but when they fired it up within appx. 15 to 20 sec. the tops of all 4 pipes started glowing red. Woo, wooo, wooo, shut it off. They immediately knew what was wrong, took it back apart & corrected it, but I just can't remember what the heck it was.
                    1983 GS1100E, 1983 CB1100F, 1991 GSX1100G, 1996 Kaw. ZL600 Eliminator, 1999 Bandit 1200S, 2005 Bandit 1200S, 2000 Kaw. ZRX 1100

                    Comment

                      #11
                      Stainless steel will oxidize at about 5-600 degrees F, which is an entirely acceptable exhaust gas temp for a 4 stroke

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