> Peter Williams writes:
> > 
> > chisel...nope... drill).  What is recommended for cleaning up old engine
> > tin?

To which David Schwarze replied:

> Take it all to a machine shop and have it "hot-tanked".  Then paint it
> your favorite shade...

This is what I did whan I rebuilt the 1700 in my 72 18 months ago.  I had
it hot tanked, then I primed it with a rust resist primer and followed that
with a rust resist enamel.  Finally, I used nail polish to highlight the
cylinder numbers on the top tin.  This still looks good after ~8000 miles.

 
Cheers,

 -Dyer

Dyer Lytle, National Optical Astronomy Observatories, Tucson, AZ, 602-323-4136
Internet: lytle@noao.edu   WWW: http://iraf.noao.edu/iraf_staff/lytle.html