Don Hanson wrote:
> How did you ever trace something like that down?

>> The plastic part of the oil fill tube, where it joins the metal part on my
>> '84 7 passenger, was loose (read didn't make a seal) and caused the engine
>> to run like it had a vacuum leak.

I used logic while troubleshooting the poor running.  All the vacuum
hoses and connections were good so I looked at the rubber plug on the
dipstick, the O-ring seal at the base of the dipstick then realized that
the oil fill tube's plastic half wiggled excessively on the metal part
of the tube.  The oil fill cap, after all, does have a rubber seal
inside.  It was just part of the process of elimination.

Mike