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liquid glass


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17 replies to this topic

#1 eqvance

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Posted 16 March 2004 - 04:44 PM

used liquid glass to repair a small crack in the head. how long do you think it'll last?

#2 baccaruda

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Posted 16 March 2004 - 09:49 PM

uhh.. you may be the one to tell US how long that lasts.. I believe that's a new approach. good luck!

#3 GLCraig

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Posted 16 March 2004 - 10:06 PM

where was the crack?

#4 Danbob99

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Posted 16 March 2004 - 11:58 PM

what car are you driving? is it the crack between the vlaves? or some where else on the head?

#5 bratsrus1

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Posted 17 March 2004 - 12:00 AM

Hi Eqvance This is Jerry, well the old timers call that stuff water glass and it works. Alot of flat head of flat head V8s were repaired with that stuff. Where can you still get it because i would like some of it. Thanks Jerry

#6 eqvance

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Posted 17 March 2004 - 10:44 AM

i never new where the crak was. alli know is that i was getting steam out the tail pipe and losing water. so i tried this liquid glass & it worked. just wanted to see iff i could find some else that's used it to get an idea how long this stuff will hold. thanks

#7 Meeky Moose

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Posted 17 March 2004 - 10:46 AM

i used to use that to fix blown HG's.. works great if you don't put antifreeze in.. the antifreeze will eat the waterglass..

it can be found at most pharmacy's.. sometimes ya gotta ask for it as some places keep it behind the counter..


a guy in oregon had an escort.. it was waterglassed.. he drove the snot outa that car pizza delivering for a few years before it went again..

#8 moosens

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Posted 17 March 2004 - 10:47 AM

:confused:
So,where did you apply the LG?

#9 Meeky Moose

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Posted 17 March 2004 - 10:48 AM

you drain the radiator, flush good until there is no more antifreeze, then dump in the waterglass and fill with water.. its that easy..

#10 Danbob99

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Posted 17 March 2004 - 11:33 AM

so how exactly does this stuf work? does it just bond to the crack there? why wouldn't it bind up everything else then? Is it triggered by being in the cylinder during detenation or something along those lines? instantly crystalize at the time of ignition? any one got a website or a link to it? this is good stuff, and i got cracked heads, so anything that could fix this problem i would be eternaly greatful for! thanks

#11 subarubrat

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Posted 17 March 2004 - 12:05 PM

The substance is sodium silicate. The compound flows into the leak on the head and when the combustion gases are present it is glazed into a very thin layer of silica glass. This repeats over and over until the glass layers build up to seal the leak. As the glass patch wears or fails fresh glass is layed down.

#12 Danbob99

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Posted 17 March 2004 - 12:12 PM

so is there any chance of it sealing up around the valves? since water is getting in there anyways? sorry if i keep buggin about this, but if i'm considering using it, i don't want to worsen anything, i can't quite afford to fix it yet.
thanks
Dan

#13 subarubrat

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Posted 17 March 2004 - 12:24 PM

It is reasonable to assume that anywhere it is exposed to combustion gasses it will form a glass patch. So it would depend on the nature of the crack, in an intake valve passage it would do nothing, but for an exhaust or intervalve crack it may very well work.

#14 Danbob99

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Posted 17 March 2004 - 12:44 PM

sorry, by that last one i was trying to see if there was anything it could damage, like sealing up on the valves themselves.

#15 Meeky Moose

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Posted 17 March 2004 - 12:47 PM

doubtful.. the stuff is the same thing thats used to make a cast harden btw.. another .02 of mine..

i've never used it on a soob, but have used it in fords, chevy's, mitsubishi's, toyota's.. had good results in all cases..

#16 scubaroo

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Posted 17 March 2004 - 07:31 PM

:argue: I would not use this. this is used car sales cure, ie saw dust in trans /diff, painted hoses, greased belts. use this only in an emergency! IT IS NOT COMPATIBLE WITH COOLENT/ANTIFREEZE.:(

#17 scubaroo

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Posted 17 March 2004 - 07:41 PM

:argue: Use this only in an emergacy! this is not compatible with collent/antifreeze. This is a Used car sales trick ie saw dust int trans/diff, painted hoses, greased belts, rolling back the odometer:(

#18 heartless

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Posted 17 March 2004 - 08:26 PM

doesnt sound like such a good idea to me, unless you live somewhere that never gets to the freezing point.... Besides, running straight water in your cooling system really isnt a good idea anywhere you live, but especially here in the great white north....we are still in the freezing temps range....I would have a dead Subie in just one night!! :eek:




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