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54 coil performance

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  • Guy M.
    Very Frequent User
    • November 1, 1993
    • 499
    #1

    54 coil performance

    Can a faulty coil make an engine run poorly? I was under the impression that it either it works or it doesnt. Thanks for the input!
    Tags: None
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    • William C.
      NCRS Past President
      • May 31, 1975
      • 6037
      #2
      Re: 54 coil performane

      Generally speaking you are correct re the coil, what type of problems are you having?
      Bill Clupper #618
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        • Guy M.
          Very Frequent User
          • November 1, 1993
          • 499
          #3
          Re: 54 coil performane

          This is a fresh rebuild of everything. Just readjusted the valves and they are ok. All the usual stuff is new, plugs, cap points etc. with the ball on the pointer the rotor points to # one with the points open. Have 3.8 psi to the carbs. Engine stumbling around. I have the chasis rigged to run. The fuel bowls are full to within 1/8 inch of the divide inside. Fresh head gasket, no leaks. Compression is around 100, one is 90. Had the head rechecked for valve leakage, all ok. I cant believe its timing with the way its set up. New condfensor. The only thing I havnt replaced is the coil which is why Im asking the question. Maybe its running so rich its choking itself. The plugs are carbonned up pretty good. Im wondering if that can make it run so poorly. This thing should be purring. The carbs are freshly rebuilt. Whats left?? close to body drop and I would rather not work around the body. This has less than 2 hours running time on it. Im stumped
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            • William C.
              NCRS Past President
              • May 31, 1975
              • 6037
              #4
              Re: 54 coil performane

              Have you actually checked the timing with a light when someone is cranking the car?
              Bill Clupper #618
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                • Rob M.
                  NCRS IT Developer
                  • January 1, 2004
                  • 12695
                  #5
                  Re: 54 coil performane

                  bad capacitor can also kill an engines performance (also new capacitors can be bad)...
                  Rob.

                  NCRS Dutch Chapter Founder & Board Member
                  NCRS Software Developer
                  C1, C2 and C3 Registry Developer
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                    • Guy M.
                      Very Frequent User
                      • November 1, 1993
                      • 499
                      #6
                      Re: 54 coil performane

                      Ill go back and verify it again, Can the timing still be off that bad if its set up ncorrectly. I guess the distributer can be off a tooth and still run perhaps?
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                        • Chris S.
                          Extremely Frequent Poster
                          • January 1, 2000
                          • 1064
                          #7
                          Re: 54 coil performane

                          these things run like sewing machines....
                          something is wrong
                          1954 Corvette #3803 - Top Flight 2012, Bloomington Gold 2012,
                          Triple Diamond Award 2012, Gold Concourse Award 2012, Regional and National Top Flight 2014
                          1954 Corvette #3666 - "The Blue Devil" - Pennant Blue - restoration started
                          1957 Corvette - FI 3 sp - Black and Silver
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                            • Joseph S.
                              National Judging Chairman
                              • March 1, 1985
                              • 831
                              #8
                              Re: 54 coil performane

                              Buy a cheap auto parts store COIL! We have solved many poor running issues with new coils. If your spark is not strong enough it will never run properly.
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                                • Cathy S.
                                  Expired
                                  • August 31, 2003
                                  • 293
                                  #9
                                  Re: 54 coil performane

                                  Try a napa coil. About $40 never an issue
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