Blown Head Gasket Symptoms!

[TONY!]

Originally Posted by Dejvid1785

Can anybody tell me how to test that to see if it really is the HG, is there an easy way to test it out?

From
http://www.toyota-supra.info/forums/...27&postcount=3

Originally Posted by TONY!

...In this leaking...do you see that your overflow is full after driving when it gets hot?
Do you lose coolant from that area? A very cheap way to see if you are losing coolant from that area is to put a container (soda bottle) after the overflow dump tube. If the overflow dump tube spits out coolant in the bottle...well, that would indicate that combustion gasses are forcing the coolant out of the system. That would mean you have a BHG in that case.
A cheap test. I learned that trick from Duane (upgradedsupra) so he gets merit for that idea....

Also, the guy that put that Cygnus site up, has some awesome write ups!
http://www.cygnusx1.net/supra/techtips.html

And within that, there is a good write up on BHG's.
http://www.cygnusx1.net/supra/techtip/bhgfaq.html