Re: experiences with radiator stop-leak?

[Richard Funnell <rfunnell@pobox.com>]

I've had good luck with Bar's when the leak was quite bad (past the head
gasket in a 5KT).  No adverse effects and it lasted a couple of years (at
least).

Richard

At 06:42 PM 9/30/98 -0400, G. Benedikt Rochow wrote:
>
>
>As the drip rate of my '84 5kS is quite low,
>I'm wondering about using a stop-leak product.
>
>I'm interested in any positive/negative/neutral
>experiences (and theorizing) on the following types
>of products:
>
>-"Gold Seal" radiator/block sealant, requires draining,
>flushing with water, filling and letting sit with sealant/water
>mix, draining, flushing, refilling. "Not compatible with antifreeze".
>
>-"Bar's Leaks" small amount of liquid, to be added to warm coolant.
>followed by running engine for 15-30 minutes. "Seals all
>[...], aluminum, and plastic radiators and [some other water-tank-like
>things]."
>
>-"Porter Seal" (?) looks like coarse ground tobacco, to be added
>to coolant, (or mix with water to make a paste to apply from the
>outside :), "mechanics' choice since 1915", (C) 1937,
>"also seals aluminum"
>
>TIA,
>-gbr
>
>
>