PEAK LongLife & LongLife50/50

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I just visited PEAK's website and noticed that their full strength LongLife & LongLife 50/50(blue jug gal)...add to any color/any make & model antifreeze/coolant says that both are Phosphate and Silicate FREE.

Any comments or "Yeah But"! on this coolant from members here?

OOPS! Is this a dead horse?
 
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Originally Posted By: Char Baby
OOPS! Is this a dead horse?


No, not yet...
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Does peak contain 2-EHA?


Is it safe for older GM, 1994?

or does it have the plasticising 2-EHA that will eat away at the gaskets?
 
Peak's technical literature states that Peak Global Lifetime contains no 2-EHA but they are silent on the subject of whether Peak LongLife contains 2-EHA. I have seen many claims on these boards and elsewhere that Peak LongLife is DexClone (contains 2-EHA) but no proof.
 
Okay so if it contains 2-eha it is NOT safe for my car then, as I have an older model GM, that shouldnt have dexcool in it. I need to find some old fashioned green style a/f.
 
Peak's Tech Dept is notoriously unreliable. They also claimed that Mazda FL-22 was produced by Motorcraft and invented in Germany. I stand by my statement. I have seen no proof that Peak LongLife contains or does not contain 2-EHA.
 
By deductive reasoning it is a Dexclone and contains 2EHA. In aftermarket coolant there is really only a few types. If the coolant is not Zerex AVF, original green, G-05 or Global it is a dexclone. More importantly there is only two universal formulas being marketed by the major brands, Global and dexclone. Peak may or may not have admitted LL contains 2EHA, but they don't have to. If it did not, they would make a point of stating that just like they do with Global.
 
I e-mailed Peak today regarding the issue and they confirmed that Long Life contains 2-EHA "Thanks for your e-mail. The PEAK LONG LIFE ANTIFREEZE is a 2-EHA, while the PEAK GLOBAL LIFETIME ANTIFREEZE is a non 2-EHA formulation".
 
On page http://www.peakantifreeze.com/resources-technically_speaking.shtml, Old World Industries states:

Quote:
The major performance difference between extended life and conventional antifreeze is the life-span of the product. Conventional antifreeze lasts only two or three years due to depletion of the antifreeze corrosion inhibitors. Because the corrosion inhibitors are different, automobile extended life antifreezes last five years or 150,000 miles. Heavy-duty extended life antifreezes last between 400,000 and 600,000 miles with the use of a one time extender.

...

Old World Industries manufactures two extended life antifreezes. PEAK Global® LifeTime™ features a patented, advanced organic acid technoloy [sic] for automobiles and light-duty trucks that, with a complete flush and fill, provides a LifeTime protection guarantee - for as long as you own the vehicle. Final Charge® antifreeze is a red colored heavy-duty antifreeze. Because it is organic acid based, Final Charge antifreeze does not require SCAs when used in heavy-duty applications. Elimination of SCAs greatly reduces the cost and variability associated with heavy-duty cooling system maintenance.


On page http://www.peakantifreeze.com/antifreeze-peak-long_life.shtml describing Peak LongLife Antifreeze and Coolant, Old World Industries states:

Quote:

* Provides 150,000 miles or 5 years of maximum protection when a complete cooling system flush and fill is performed


If Peak LongLife is a DexCool clone distinct from Peak Global Lifetime, then Peak manufactures three different extended life antifreezes: Peak Global Lifetime, Peak LongLife and Peak Final Charge. So who is right, Peak's Technical web pages or the Peak Tech Dept?
 
Sometimes HD coolant is a dexclone with a higher dose of inhibitors. I don't know if that is the case for Final Charge, but PEAK technical did tell me that Global and Final Charge had different organic inhibitors.
 
I see that Pep Boys has a new Peak Long Life bottle which claims "new technology" on the back panel. Could this be Global Lifetime under a new muse?
 
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