The gas tank was taken down and was cleaned out. It recently got a tune up. It was actually at the shop today. Drove off and when I got home that’s when it all went down hill.
Sounds like you need to do some simple diagnosis. You should own a dwell meter, timing light and a vacuum gauge. They are cheap but very useful tools. It does not take a lot of skill or know how to keep these old girls on the road. Get that manual and read through it. That will be your first biggest step.
