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Old 06-06-2021, 11:43 AM   #11
jayvee34
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Join Date: Apr 2021
Location: St. Augustine, Fl.
Posts: 437
Default Re: Zenith - 1 Carburetor

Quote:
Originally Posted by redmodelt View Post
That link shows the instructions not the carb being talked about and did not see small type at bottom where it came from and line that I quote. Does your carb have the adjustable jet on the bottom (like the Tillotson)? "Set main jet adjusting needle at 4 1/2 full turns open." While not stock, it was an aftermarket item and could explain a lot. If so maybe change back to non adjustable jet and see if that helps.
My Zenith -1 is suppose to be stock unless the previous owner modified it someway. Please excuse my ignorance of the adjustable jet. If you mean the GAV is adjustable, yes it is. I did use a rebuild kit for a stock zenith, and clean
soaked overnight in carb cleaner, and run a wire through all the passages.
After putting it back together and running it on my car it will only run as I described above, which is what the tractor adjustment describes. Any help concerning this is very much appreciated.
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