kenneth d lewis wrote:
>
> Greetings and Salutations;
>
>         Has anyone heard of something that is attached to heads which
> indicate if it was exposed to excessive heat? From what I heard they are
> dime sized pieces of metal. My head rebuilder said they were missing on
> the pair I sent in.
>
> Drive Safely & Good Luck
> Ken Lewis    <Kernersville,NC>
> 86 VW crewcab;60 356B Coupe
> --------------------------------------------------
>
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Ken
those are heat tabs they are glued on the heads and the center melts out
at 250 F
they always melted out on the vanagon heads so I stoped using them
250 is considered over heated for most water cooled heads
Bob