Well the car keeps overheating, even after changing headgaskets and a new head on the car...
I drove the car to track Sat and it ran fine , ran a little hot but i turned heat on and it went down...

So i made a few passes , so after my last past i reved the motor and the Temp gauge was moving down when i reved the motor, so i figured i was low on coolant, so i checked it was fine..

So i started driving back to ATL and the temp gauge kept moving down not once did it overheat,

Well then i go a blow a tire, so i pull over and steam is coming from everywhere and water is pouring out my reservoir tank,,,

So i let it cool down and i put more water and finish driving home (5 miles) and never overheated,, check the water in my radiator and its full to the top.. check the oil , no water in oil, and no oil in my water..

So today i let the car warm up and i rev the motor and still the gauge is moving down as i rev it...

My fan is always on, when the car starts the fan is on so it isn't my fan, what else could it be...

HELP ME!!!!

 

are you using the same thermo?

 

Yup, new thermo.. could it be my water pump going out???

 

im having the same prob right now. Every since I got back froom the dyno its been doing the smae thing and I just replaced the thermo. WP is the next thing im changing out.

 

FYI all my overheating problems had to do with inadequate slim line fans yes even running all the time. Also the large intercooler i have covering the front air dam. I bought a lower temp termo and an FAL fan and problem is 95% solved. Still overheats on hot days with a/c

 

try water pump cuz at low rpm if the propellor is worn out it cant move enough water but when you rev the engine the propellor moves fast enough to cool the engine. At least check it out

 

the way i was told is eighter the water pump works or it dont, it not making no noises and not leaking at all,
the top and bottom raditor hoses are getting hot so water has to be going thru there i would think,

but the water in my raditor dont seem to go down at all

 

maybe your fan switch is dead... or got your thermostat on backwards.. yes it can be put on backwards.. also.. your coolant mix is prolly way off also.. i suggest if your running 50/50.. to go with 60/40 water/coolant or even as far as 70/30..

 

Nope not fan switch mine is wired to run all the time

 

Clogged radiator.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Turbo Chris &raquo;</TD></TR><TR><TD CLASS="quote"> Still overheats on hot days with a/c</TD></TR></TABLE>

so doesn't every other car that's stuck in traffic for a while......

 

If I was you I would also check your lower radiator hose to see if it's pinched...that problem plagued my for a long *** time..

 

If the block or head was warped i would be loosing alot of coolant??
Just curious to know if thats a possibility, but the funny thing is im not loosing anything

 

I had the same overheating prob wit my turbo gsr. I jus got a new thicker all aluminum radiator/ lower temp thermostat and FAL fans, hasn't overheated since, and thats here in south TX where its 96 degrees and 80% humidity!

 

Hmm. . .dual core radiator right? Do you have your fans wired directly to a switched ignition source, or they are kicking on by themselves? Try using a little water wetter, I heard it works pretty well.

 

I have to question why you are drag racing your car when it's having overheating problems...