JP1738's Stocker and S/G car

[JP1738]

Originally Posted by Roy Kinslow

I noticed your PVC valve plumbing. I believe its preferred to have it pull vacuum at the carb base. The way it appears you have it , it is possible for it to lean the mixture only on one or two cylinders. At the carb base it will be more evenly distributed. Might show up more at idle. It's a vacuum leak. Of course your results may vary. Good luck 🙂

My carb is not fitted with a vacuum tube at the base right now. I'll look into it when I pull it off again to see if I can see where one is meant to be and re-plumb it if possible.