No announcement yet.

Ducellier Vacuum Cam Adjustment

  • Filter
  • Time
  • Show
Clear All
new posts

  • Ducellier Vacuum Cam Adjustment

    Hello, I have a Ducellier distributor in my car for which I was replacing a questionable vacuum advance unit. I neglected to record the position of the cam at the end of the linkage inside the distributor. Can any Click image for larger version

Name:	Vacuum Cam.JPG
Views:	79
Size:	29.7 KB
ID:	23476 one tell me the purpose of this cam and how to properly adjust? See Pic attached.

    Bruce in NJ
    70' Europa 0318R

  • #2
    The purpose of the cam is to adjust the amount of vacuum advance. I would put it in the middle position until you have instructions and whatever else you need to check it. It may be different for the Lotus compared to engines in production Renaults. I wish I had more detailed information, but I hope this helps a little.