I think this post will cover the possible causes of both problems. Of course more details about the condition/upkeep of these cars would be helpful to the diagnosis.
Quote:
or somthing more serious?
Stalling between reverse and drive isn't always indication of serious problems. It's usually a sign of needing a tune up. A proper tune up is more than just adjusting the carb. Here is a list.Spark plugs,
Wires,
Distributor cap and rotor,
Points and condensor (if present)
Valve adjustment, you'll need a replacement valve cover gasket
Fuel filter,
Oil and filter change,
PCV valve,
Replace any cracked or hardened vacuum lines and hoses,
Air filter,
Check timing setting,
Check manifold gaskets for vacuum leaks (common on old slant sixes)
Adjust carb LAST!
This should be about $100 worth of parts, a little more if you buy premium stuff, and you should. Parts that are only a couple of years old arn't 'new' any more and should be replaced along with the rest of the list.
If this doesn't fix it, echo back the list of things you've recently replaced and you will get better attention because this list easily cures 80% of the questions and problems asked in this engine forum.
"What do you mean I have to replace the fuel and oil filters again, it's only been 2 years!"
