Enter your username:
Do you want to login or register?
  • Forgot your password?

    Login / Register



    Results 1 to 3 of 3

    Thread: ignition knock

    1. #1
      Join Date
      Aug 2012
      Location
      Wilton ,CA
      Posts
      49
      Country Flag: United States

      ignition knock

      Im in need of help bad can figure this out.
      rewire my 68 Firebird front to back installed a few new parts to my 402 BBC new distributor msd street fighter i believe and new rebuild carb holley 650 double pumper.
      After that when i started the car for the first time bad a really bad ingition dump knock from engine and back fire when revving high and it wont go away. only goes away when bass t timing is at around 55 deg ive heard thats to high. im trying to drive this car again but i dont want to block something up i also check for vacuum leaks did not find any
      any help or someone run into something like this before?

    2. #2
      Join Date
      Apr 2001
      Location
      The City of Fountains
      Posts
      15,971
      Country Flag: United States
      Quote Originally Posted by cali-life View Post
      Im in need of help bad can figure this out.
      rewire my 68 Firebird front to back installed a few new parts to my 402 BBC new distributor msd street fighter i believe and new rebuild carb holley 650 double pumper.
      After that when i started the car for the first time bad a really bad ingition dump knock from engine and back fire when revving high and it wont go away. only goes away when bass t timing is at around 55 deg ive heard thats to high. im trying to drive this car again but i dont want to block something up i also check for vacuum leaks did not find any
      any help or someone run into something like this before?
      I would start over and make sure that the distributor is installed properly. You could easily be off a tooth or two...

      Andrew
      1970 GTO Version 3.0
      1967 Cougar build
      GM High-Tech Performance feature
      My YouTube Channel Please Subscribe!
      Instagram @projectgattago
      Dr. EFI
      I deliver what EFI promises.
      Remote Holley EFI tuning.
      Please get in touch if I can be of service.

      "You were the gun, your voice was the trigger, your bravery was the barrel, your eyes were the bullets." ~ Her

    3. #3
      Join Date
      Sep 2014
      Posts
      130
      Country Flag: United States
      Balancer outer ring may have slipped.



      55° is way too much


    Tags for this Thread



    Advertise on Pro-Touring.com