Quote:
Originally Posted by Grubby
Best vac was about 7 at 550 rpm idle. Screws are pretty close to 1 turn out. My vac gauge is old and beat up - it may not be accurate.
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John, I think you should really double check this with a new vacuum gauge before you start doing any more monkeying with your carb. With your build, if you're down in the single digits with your vacuum, at a normal idle, then I'm going to call "foul" and point to something like an intake manifold leak. You said you double checked your timing and adjusted your valves, those are two other typical causes for low vacuum....
Brent & Bobcat, you don't think his vac is a little low?
