CT 525 question

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  • huckleberry_hound
    Senior Member
    • Jul 2007
    • 206

    #1

    CT 525 question

    Is it normal for these engines to surge at idle when cold until engine temp comes up? Ours has always done this and seems to be getting worse lately, I’m wondering if it could possibly be a coil or plug or plugwire causing the issue,, any advice?
  • brad hibbard
    Senior Member
    • Oct 2007
    • 974

    #2
    I really hate to chime in on 525 questions because I really do not have my finger on this engie much ---BUT
    Huck hound---it sure does sound like you have have low speed situation with your carb.
    have you turned the low speed screws in an attempt to correct this ???


    Brad
    Race-1 offers competitive pricing on Chevrolet Performance 602, 604 & 525 sealed circle track racing engines. Race-1 specializes in the GM CTC engines and we offer a wide variety of services specific to the 602 & 604 crate engines. Your source for Stealth Racing Carburetors! Learn from Brad's expertise in teaching, too!

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    • huckleberry_hound
      Senior Member
      • Jul 2007
      • 206

      #3
      Turned out to be a bad msd box Brad

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