chemical head gasket repair?

[chalmer240sx]

while messing aroun with a thrifty nickel i cam across a add selling chemical head gasket repair. its not lucas stop leak but like a product designed for head gaskets.

Is this product effective?

[Justin35ll]

I think I have heard about it working once before, but just replace the headgasket for realz

[NISSAN240SX12]

dont waste your time most of the time they do not work and if it does work for you its only temp. i would just replace the head gasket

[chalmer240sx]

mines rather smalll it seems because its not like its totally fried cuz i just removed my thermostate and it runs fine and gets warm fast but never over heats. i just dont have the time to rip the head off and all that junk.

[Frankenfourty]

Do not use that stuff what ever you do! Keep in mind that that stuff travels through your entire cooling system. HG repair/Radiator repair stuff causes alot more problems than it solves. It usually ends up clogging your heater core leaving you with having to replace your heater core. It also can plug your radiator. I'm trying to save you alot of hassle in the long run so please don't use it.

[asoomal]

http://www.rislone.ca/31111.htm

This stuff actually works, I've used it in my car :P

This is what's in it

http://en.wikipedia.org/wiki/Sodium_silicate

"Automotive repair

Sodium silicate can be used to seal leaks at the head gasket. A common use is when an alloy cylinder head engine is left sitting for extended periods or the coolant is not changed at proper intervals, electrolysis can "eat out" sections of the head causing the gasket to fail.

Rather than remove the cylinder head, "liquid glass" is poured into the radiator and allowed to circulate. The waterglass is injected via the radiator water into the hotspot at the engine. This technique works because at 210–220 °F the sodium silicate loses water molecules to form a very powerful sealant that will not re-melt below 1500 °F.

A sodium silicate repair of a leaking head gasket can hold for up to two years and even longer in some cases. The effect will be almost instant, and steam from the radiator water will stop coming out the exhaust within minutes of application. This repair only works with water-to-cylinder or water-to-air applications and where the sodium silicate reaches the "conversion" temperature of 210–220 °F."

[White Comet]

get whatever MGE used. his hg was leaking compression into the coolant causing bubbles. it wasnt worth it to replace the hg on the ka since his sr is being built so he dumped some stuff in and it works like a charm for him