Bill,

Did you try replacing the pressure cap?   Could be that the relief valve is
weak.   Happened to me in exactly that way.

Dave

At 09:59 PM 9/2/97 -0700, TBill wrote:
>It's HOT in Texas in the summer!
>Took VAnagon to mechanic who leaned it out so I could pass inspection.
>When it came back and the guy shut it off I heard the sounds of coolant
>boiling.  Overflow tank was overflowing!  Turned it back on and checked
>the temp needle.  A little passed center, hot but it's been lots
>hotter.  Heck, the fan wasn't even on.
>So, kept on trucken, but it keeps happening.  'Course when cold the
>overflow tank is dry, so I add water, so it can overflow again...
>
>Think I ought to get my ratio of anti freeze to water back up again?
>
>Now I realize that running leaner means running hotter, but still..
>Also, he advanced the timing further than I had it...
>TBill
>
>