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  • antijam
    antijam replied to the thread Recurrent misfiring problem.
    I pulled all the plugs to do the compression test and noted which cylinder each came from. The only visible difference of those from the...
  • johng
    johng replied to the thread Recurrent misfiring problem.
    Don't know if your's is the same, but my old Colourtune won't fit into the spark plug hole, the body is too wide.
  • Oneball
    Oneball replied to the thread Recurrent misfiring problem.
    Have you pulled the plugs out and compared a good cylinder with a bad one?
  • antijam
    antijam replied to the thread Recurrent misfiring problem.
    Trouble is it only works if the plug is firing. Even then using the viewing tube and mirror could be tricky in tight places. I'm trying...
  • teamzr1
    teamzr1 replied to the thread Recurrent misfiring problem.
    If your borescope has a record video mode Insert that AFR tool into 1 of the cylinders you think has misfire Rig the borescope so it...
  • Roscobbc
    Roscobbc replied to the thread Recurrent misfiring problem.
    I was going to add that were great for setting-up SU's or Strombergs - can't remember the viewing tube and mirror gizmo.....and yes its...
  • Roscobbc
    Roscobbc reacted to antijam's post in the thread Recurrent misfiring problem with Like Like.
    Yes indeed Rosco! - I didn't know they still made them? A rummage through my 'Tune-up' tool kit revealed this.... ...a near pristine...
  • antijam
    antijam replied to the thread Recurrent misfiring problem.
    Yes indeed Rosco! - I didn't know they still made them? A rummage through my 'Tune-up' tool kit revealed this.... ...a near pristine...
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  • teamzr1
    teamzr1 replied to the thread Recurrent misfiring problem.
    Interesting, never heard of this test tool before Some info...
  • Roscobbc
    Roscobbc replied to the thread Recurrent misfiring problem.
    Remember the old Colourtune sparkplugs?. With it's glass (rather than ceramic) insulator you would adjust your ideal mixture to a...
  • teamzr1
    teamzr1 replied to the thread Recurrent misfiring problem.
    If the sparkplug gap is correct and your testing showed high voltages from coil than it would have to be a makeup of the charge to the...
  • antijam
    antijam replied to the thread Recurrent misfiring problem.
    I was much of your opinion. However, I've tested and swapped all the ignition parts separately. Everything is in spec and each item...
  • Oneball
    Oneball replied to the thread Recurrent misfiring problem.
    If that is the case then your problem is almost certainly in the electrical system. There are very few non electrical issues that test...
  • antijam
    antijam replied to the thread Recurrent misfiring problem.
    I'll do that JR.(y)
  • teamzr1
    teamzr1 replied to the thread Recurrent misfiring problem.
    Since you going through all the time and effort, while having intake off I would hand rotate the engine and assure the lifters are...
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