View Poll Results: What coolant do you use in your LSx?
Voters: 405. You may not vote on this poll
Offical Dex-Cool vs. Green Thread
well on our cars they are normally hit in the front so the radiator breaks and we flush out the block and always use the green stuff. dexcool to us is just a problem because if it mixes with anything else youre fucked so we go with the green and havent ever had a problem
Originally Posted by cool
If the two are mixed, the dexcool loses its extended life properties. Thats all.
This is the truth...people will tell you it will gel but thats false. Do some actual research and from automotive tech sites and coolant manufacturer sites and you will see that no gelling will occur.
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Apparantly GM uses some kind of gel-like cooling system sealant on problematic cars (mostly V6's with the intake gasket failures) this sealant likes to collect around the filler neck and make a mess. It's not the coolant itself doing it.
i am a GM technician and i really don't like the dexcool. every car i work on that has the stuff in it looks like crap. the radiatior cap has a blackish film on it and around the neck of the radiator.
on the other hand my dad use to run the prestone in his truck, (tow truck) changed it every year. he had to replace the radiator because it was stopped up.
i like & run mopar 100k mile coolant. its orange and works great. i never see any film buildup or rusting of my iron block 370. the stuff is about $20 a gallon though.
on the other hand my dad use to run the prestone in his truck, (tow truck) changed it every year. he had to replace the radiator because it was stopped up.
i like & run mopar 100k mile coolant. its orange and works great. i never see any film buildup or rusting of my iron block 370. the stuff is about $20 a gallon though.
Originally Posted by LSWon00
There was just an article on this same issue in MotorAge magazine (ASE Tech Magazine). Long term studies have found Dex-Cool to erode "plastic" engine components over time. Their final conclusion was to switch to tradional (green) and change at the coolant's reccomended intervals. I personally have had no issue in my cars with Dex-Cool but I just thought I would post this.
Been using Prestone Dex-cool since I bought the car. Only problem was at 96k the thermo wouldn't open, but i'm pretty sure that has nothing to do with what type coolant is being used.
Teching In
Joined: Feb 2007
Posts: 23
Likes: 0
From: Glade Spring, VA
Originally Posted by Tainted
if you mix them it makes a really nasty gunk that will clog **** up. ive tested it in an old radiator
Thread Starter
TECH Enthusiast
iTrader: (3)
Joined: Jun 2004
Posts: 640
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From: Chino Hills, CA
Originally Posted by LSWon00
Here it is again for all of you:
I'm considering switching to something else now. Anything metal I've seen in my engine looks perfectly clean... anything that is plastic seems to have that residue on it.... hmm...
Again, VERY GOOD information LSWon00. Keep it coming guys
