Need Opinions. Have nothing to compare to.
What was the highest vacuum reading and was it steady? This can tell you if you have some issues and roughly about how largish of a cam you have.
Did the previous owner mention the engine was rebuilt?
I don't recall off the top of my head what the actual vacuum was reading, but yes, it was pretty steady. I remember thinking it was a little low, but I don't remember if it was around 11 or 13. I want to say it was running around 11 inches because I don't think I would have thought 13 was low. Borderline maybe, but not low. At the time, I wasn't really thinking about specific numbers. I was just tweaking the four mixture screws a little at a time until max vacuum was reached, to make sure they were all set evenly (as per my handy dandy "Tuning Demon Carburetors" book!).
I will run back to the shop and check vacuum tonight. It's about 25 degrees colder today, but I'll let her warm up good and check it quick.
I did find it interesting that the book said to start at 1.5 turns out, but carb was set to 3/4 turns out. I adjusted them out approximately 1/4 turn more (1/8 turn at a time each) before vacuum started to drop off. Reset them back to max vacuum where it started to drop.
Yes,... he clearly said they rebuilt the motor, but it sounded like he had a shop do the rebuild because when he was talking about the engine he specifically said "
They did some machine work and put in a bigger cam" not "
I" or "
We"
