> Has anyone used a primer over top of POR 15 other than the
> POR tie-coat primer?  I want to POR 15 some engine tin and
> other bits, and I'm wondering if it's totally necessary to
> use the POR 15 primer before painting over them.

I did it on my Fiat Spider.  I called the manufacturer and they told me
that POR-15 will accept most primers as long as they are applied while
the POR-15 is still tacky. Once it has fully dried, you can only paint
over with topcoat.  On my Spider the POR-15 seemed to accept the primer
fine according to these directions. (It has been about 6 months so I
can't speak for longevity, but no reason to suspect otherwise.)

Incidentally, for those who aren't aware, The Bus Depot does sell
POR-15.

- Ron Salmon
  The Bus Depot, Inc.
  www.busdepot.com
  (215)  234-VWVW

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