GuestNX/Hal's problem with the radiator overflow over filling then blowing fluid out of it's vent hole happened to me as well.

This was about 6-8 weeks ago.

From then on, I COULD NOT keep my engine from reaching the H mark on the temp gauge.

The raidiator would overheat then over flow in to the overflow. The fluid inside the over flow would be boiling. There was NO way to get the motor cool. Even running 115 MPH and then putting the car in neutral and coasting to 0 mph would not help.

With the car running and the hood open and both of my aftermarket fans blowing, the Temp gague would still not come down from the H mark.

The only way I could get it down was to turn the car off. Or turn the engine off and leave the ignition on, thus running 1 fan constantly. ( I hard wired 1 fan to always be on )


I tried several solutions, but nothing worked. I DID NOT have stock radiator, but HAL DID.

So it got me to thinking that maybe the 2 STOCK fans blowing directly on the motor had more of a cooling effect on the motor itself than I thought. So it was NOT the stock fans cooling the raidiator, but the fans cooling the motor.

This lead me to thinking about mybe the water pump was being burned up, or maybe there was something inside the motor/cooling system that was breaking down due to the extreme heat.

I don 't have my FSM, so I can't look to see what may be failing.

Any thoughts?

 

IIRC Hal's original problem was coolant coming out his exhaust...he either blew a headgasket or cracked the block which _then_ caused the radiator to fail.

I don't think his radiator/fan was the cause of the problem, just a result of a bigger one.

 

That does not sound similar actually.

Opposed to your system not cooling properly, my needle was actually below the middle and the coolant was definately not boiling over.

What happened in my situation: the radiator ripped completely apart. Jime(thanks) nailed it pretty well by predicting the headgasket having let go, allowing the cylinder pressure to go straight into the coolant and immediately majorly overpressurizing that system.

This was a direct result of me pushing things too far (very significantly farther than my 476whp dyno which has proved very reliable) and has been corrected (put back to old settings).

I guess 476/505 will have to be enough for what the car has on it.

About yours though, were there any significant events leading to this starting 6-8weeks ago? Does sound more like a cooling system problem than a motor issue.

 

What about your thermostat?

 

Oh, since you deleted the thread so fast I never read it.

And I would not know about my cooling system not working properly... the installer and the punk who sold me the turbo gave me 1 POS 12 inch NON worth a damn fan.

I'll have that fixed soon.

But thanks for the thoughts and the willingness to help me.

I wish the jack*** who sold me this POS turbo was as helpful as you.

 

The turbo was installed much longer than 6-8weeks ago. I was wondering if there was anything significant that caused the new overheating issue (see, 6-8 weeks ago). nonetheless

And also, oddly enough I still run 1 cheap pusher fan, very similar if not the exact same to the one you received - without overheating problems. Sounds more like a radiator/cooling system problem possible?

 

your correct about the turbo, and I was INCCORECT about the fan.. it is 10 inch fan, not 12.. my bad.


And yes I also think there is a cooling system problem..

BUT the fact the the car overheated from DAY 1, the cooling system failure could have been caused from that.

One will never know.

 

Well, Kirk, as my mom always says: good things come to those who wait......but I think you've waited and paid your dues. I'm there for ya man...just holla!