Carburetor throttle spring/springs - NCRS Discussion Boards

Carburetor throttle spring/springs

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  • Jack J.
    Expired
    • July 31, 2000
    • 640
    #1

    Carburetor throttle spring/springs

    Tags: None
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    • Mark E.
      Extremely Frequent Poster
      • April 1, 1993
      • 4498
      #2
      Re: Carburetor throttle spring/springs

      I did exactly that with my '70 LS5. Easily reversible mod.
      Mark Edmondson
      Dallas, Texas
      Texas Chapter
      1970 Coupe, Donnybrooke Green, Light Saddle LS5 M20 A31 C60 G81 N37 N40 UA6 U79
      1993 Coupe, 40th Anniversary, 6-speed, PEG 1, FX3, CD, Bronze Top
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        • Chris H.
          Very Frequent User
          • April 1, 2000
          • 837
          #3
          1969 Riverside Gold Coupe, L71, 14,000 miles. Top Flight, 2 Star Bowtie.
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            • Jack J.
              Expired
              • July 31, 2000
              • 640
              #4
              Re: Carburetor throttle spring/springs

              Thank you Chris. You provided the answer to my question.
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                • Owen L.
                  Very Frequent User
                  • September 30, 1991
                  • 838
                  #5
                  Re: Carburetor throttle spring/springs

                  How do you determine what secondary spring to use - as in spring rate and length?
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                    • Leif A.
                      Extremely Frequent Poster
                      • August 31, 1997
                      • 3607
                      #6
                      Re: Carburetor throttle spring/springs

                      If you're truly concerned about spring failure, why not buy another stock spring and throw it in your glovebox...it will give you the peace of mind you're looking for but will most likely never be used.
                      Leif
                      '67 Coupe L79, M21, C60, N14, N40, J50, A31, U69, A01, QB1
                      Top Flight 2017 Lone Star Regional
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                        • Jack J.
                          Expired
                          • July 31, 2000
                          • 640
                          #7
                          Re: Carburetor throttle spring/springs

                          Chris, I just re-read your post and I was wondering, did your throttle stick or was it spring failure?
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                            • Chris H.
                              Very Frequent User
                              • April 1, 2000
                              • 837
                              #8
                              Re: Carburetor throttle spring/springs

                              I believe a weak spring. Regardless, never want to experience that again. Look at any nice hot rod and they all run dual springs.
                              1969 Riverside Gold Coupe, L71, 14,000 miles. Top Flight, 2 Star Bowtie.
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                                • Chris H.
                                  Very Frequent User
                                  • April 1, 2000
                                  • 837
                                  #9
                                  650BB8AE-388C-402C-A1E0-9AA73A4C9A0E.jpeg
                                  1969 Riverside Gold Coupe, L71, 14,000 miles. Top Flight, 2 Star Bowtie.
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                                    • Mark E.
                                      Extremely Frequent Poster
                                      • April 1, 1993
                                      • 4498
                                      #10
                                      Re: Carburetor throttle spring/springs

                                      Originally posted by Leif Anderson (29632)
                                      If you're truly concerned about spring failure, why not buy another stock spring and throw it in your glovebox...it will give you the peace of mind you're looking for but will most likely never be used.
                                      The extra spring in the glove box won't close the throttle when the primary spring fails.
                                      Mark Edmondson
                                      Dallas, Texas
                                      Texas Chapter
                                      1970 Coupe, Donnybrooke Green, Light Saddle LS5 M20 A31 C60 G81 N37 N40 UA6 U79
                                      1993 Coupe, 40th Anniversary, 6-speed, PEG 1, FX3, CD, Bronze Top
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                                        • Mark E.
                                          Extremely Frequent Poster
                                          • April 1, 1993
                                          • 4498
                                          #11
                                          Re: Carburetor throttle spring/springs

                                          Originally posted by Owen Lowe (20119)
                                          How do you determine what secondary spring to use - as in spring rate and length?
                                          For Quadrajets, use the dual spring set up used 1974 and newer.
                                          Mark Edmondson
                                          Dallas, Texas
                                          Texas Chapter
                                          1970 Coupe, Donnybrooke Green, Light Saddle LS5 M20 A31 C60 G81 N37 N40 UA6 U79
                                          1993 Coupe, 40th Anniversary, 6-speed, PEG 1, FX3, CD, Bronze Top
                                            • Top

                                            Comment

                                            • Leif A.
                                              Extremely Frequent Poster
                                              • August 31, 1997
                                              • 3607
                                              #12
                                              Re: Carburetor throttle spring/springs

                                              Originally posted by Mark Edmondson (22468)
                                              The extra spring in the glove box won't close the throttle when the primary spring fails.
                                              Yeah, but the ignition key will.
                                              Leif
                                              '67 Coupe L79, M21, C60, N14, N40, J50, A31, U69, A01, QB1
                                              Top Flight 2017 Lone Star Regional
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