All your keep cool questions answered

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#1

Black 03 Z06

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Great find Fred. Interesting and informative.
 

ddgermann

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Yes very informative article. Looks like we better stick to Dexcool. 😱
 

Keith Tedford

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For our vehicles, I stick to what GM engineers recommend. They have tested what they put in new vehicles. I won't argue with that. Evans no water coolant would be the only other product that I might consider. Evans Waterless Coolant, Prevent Engine Overheating
 

ddgermann

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For our vehicles, I stick to what GM engineers recommend. They have tested what they put in new vehicles. I won't argue with that. Evans no water coolant would be the only other product that I might consider. Evans Waterless Coolant, Prevent Engine Overheating
For the Corvette yes, I absolutely agree Keith. Although mine have been 1 C6Z and 2 C7Zs these has been 0 cooling issues. I never had any issues with the 15Z either although the car never went into the track. For the C6 and C7s if you’re running warm it’s likely your rad being obstructed with bugs and debris as the cause. Unless you have some other issues internally. Which is far less likely.
Evans waterless coolant is actually pretty amazing stuff. I use it in my H1 Hummer as they did have some cooling issues under load with the 6.5TD. Especially when they were modded up a bit like mine is. The science behind it works very well for Diesel engines as they like to run warm. The engine will not boil over and cavitation damage to liners is virtually eliminated with Evans Coolant. However it’s common to see it being used in high performance gasoline engines as well. It’s not a cheap undertaking to switch out and the system has to be modified to run at 0 pressure; but the performance of the cooling system goes up dramatically. I put it in my H1 when I changed out the entire cooling stack and have never had a problem.
Good post Keith.
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