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Evans NPG Coolant

G

GS583

Guest
Has anyone used this product in an LT1/LT4? Looks good on paper, but would like to hear about real world experiences.
 

Topless

Well-known member
Joined
Nov 12, 2001
Messages
444
Location
San Diego, CA
Corvette
1992 Convt w/hard top; 2004 Z06 Z16; 1962 327/300
I'll bite...

I have not hear of it. What is it supposed to do?
 
G

GS583

Guest
c4c5 specialist; Will this reaction happen even after the recommended system flush or would this only be if there was Dexcool left in the system?
 

c4c5specialist

Technical Advisor
Joined
May 29, 2001
Messages
3,682
Location
New Haven, Ct. USA
Corvette
Nope, but someday.
Hi there,
Well, its really not quite that simple. You see, Dex cool is a formula where you do not have any silicates in the coolant, and it bonds to aluminum and internal parts. Now, the conventional green ethylene glycol bonds differently as well. The reason for this is the chemical composition.
So, even if you flush the coolant out completely, the bonded chemical is still in the metal and other parts of the cooling system.
Remember, even people who attempt a retrofit of the Dexcool to other vehicles, do not really suceed, as the interval will still be 2 yrs 24ooo miles, due to the inability to completely clean the system of the old coolant.
Many people attempt this but the ability of Dexcool to completely work as intended, is the purity of NO other coolant in the system.
Even when asked to do this in a dealer, we cannot perform this, as there is no added benefit.
this is the reasons for my reply.
Besttoall, c4c5:hb
 

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