Timing chain help

[tgd89]

Okay, so I was driving and my car starts overheating. I drive carefully home after letting it cool down, and figure out that pretty much all of my coolant is gone. I fill it up and don't have time to run and bleed it so i just let it sit overnight. I fill it up the next day after driving it, with about a quart and let it run and inspect it for leaks and such, check the dip and no coolant in the oil. Not seeing anything from anywhere after 30 some minutes looking at it, I figure that I just slowly lost all my coolant.
The next day about a mile from my house my oil press. light comes on faintly, and gets brighter with rpm. I coast to my house and find that there are white sploches on the dipstick, and on the underside of the oil cap milky white stuff. Now, the oil looks pretty clean besides those few spots, I'm pretty sure it's not a HG as the car drives fine. The timing chain has had rattle for a while now, was intending to replace it. Has it just finally worn through the coolant passage? I exspected it to be more dramatic, also why would the oil light come one?
Car is a 90 SOHC with 13XXXX some miles, and original timing chain as far as i know.

-Any help is apreciated, Ross

[crxturtle]

If your car has alot of white smoke coming out of the tail pipe you could be burning the coolant. or check your heater core. That could be cracked and slowly leaking coolant on the passanger floor. That happen to one of my friend.

[myzislow]

is it overheating? do you have coolant flow?

[i need tires]

sounds like a BHG cars will still drive fine with a BHG my friend had one on his ae86 for like a year and he still drove it.

Milky shit shouldnt be anywhere near your oil.. thats a number one bad sign!

[2jzs14]

white milky stuff on the underside of the cap can be condensation but its usually not on the dipstick.

[tgd89]

Well, i do have coolant flow, and coolant looks pretty clean. Has not overheated since it first did. I took off the valve cover and the coolant jacket is pretty grooved, i would say probably 3-6mm or more. Is there any other way than a comp test to see if a HG is bad?

[karmakaze]

Well, i do have coolant flow, and coolant looks pretty clean. Has not overheated since it first did. I took off the valve cover and the coolant jacket is pretty grooved, i would say probably 3-6mm or more. Is there any other way than a comp test to see if a HG is bad?

other than a compression test you could pull the head. those are your 2 options.