> <<And I'm a little afraid of using quad tip plugs because I'm
>  wondering that they would be hotter which wouldn't be so good for the
> heads.>>
>
> The quad tip plug does not go into the head as far as the triple tip.  I
had
> the triple tip in my T4 engine and the head temps were hotter than the
single
> tip platinum (300-350).  I put in the quad tip plug and the head temp
dropped
> (225-275).

Robert,
I wonder why the quad tip is not specified by Bosch for the Vanagon; whereas
the tri-tip plug is???
(haven't actually seen the listings, but that's what I've heard on the list)
Bill