I have a set of gas tanks that I am cleaning and re-sealing. I intend to use
Hirsch Gas Tank Sealer, which comes highly recommended. Based on
recommendations from a friend, I cleaned the tanks using muriatic acid, which
worked like a charm: 40 year old tanks came out looking like they'd been
sandblasted. However, it is necessary to wash out the acid with water, which
then caused the tanks to immediately flash rust. That was expected, and I had
a pint of Hirsch's Gas Tank Etch
(http://www.hirschauto.com/acb/showdetl.cfm?&DID=27&Product_ID=7&CATID=3)
standing by. It should have removed the flash and etched the tanks prior to
sealing. However, they came out pretty patchy. I wasn't at all happy with
the result and didn't want to seal an improperly prepped surface. I suspect
that one pint wasn't enough, but that stuff gets pretty expensive when you add
shipping in and I think it is basically just phosphoric acid. I used to be
able to buy phosphoric acid pretty easily 30 years ago, but can no longer find
it. Does anyone know a place where this can be found easily and
inexpensively? If not, is there a good substitute for it? Or, should I just
bite the bullet and buy several pint bottles from Hirsch? Thanks.
_________________________________________________________________
Gear up for Halo. 3 with free downloads and an exclusive offer. Its our way
of saying thanks for using Windows Live.
_______________________________________________
Shop-talk mailing list
http://autox.team.net/mailman/listinfo/shop-talk
|