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Username Post: Pure Vs. Pre-mix anti freeze        (Topic#341821)
bigalturk1 
Forum Newbie
Posts: 10

Reg: 09-20-13
01-11-17 09:00 AM - Post#2670567    

I graduated GM training center and Delco Remy school in the early 1970's. I remember one of my instructors (Mr. Walker) telling my class that the only time a vehicle should use 100% pure antifreeze (No water added) is in places like Alaska or Korea, during the winter months. He mentioned that 100% does not cool as well under ordinary circumstances (Back then there was no "Pre-mix", so it wasn't mentioned). Fast forward to later times I find that premix doesn't cool the engine on performance builds as well as using the non mix antifreeze (Mixed with water) does.
I do however like the idea that you can dump the premix on the ground w/o hurting the environment.
If a car gets hot in traffic and everything is in working order I just buy a smaller water pump pulley, it not only spins the pump faster but it also makes the alternator charge faster... although it does rob some Horsepower at the track.



 
Low priced Genuine GM Auto Parts
thx1138v2 
Contributor
Posts: 126

Reg: 05-01-14
01-12-17 04:42 AM - Post#2670692    
    In response to bigalturk1

I ran into this info while looking for something else to do with cooling systems.
https://hellafunctional.com/?p=629

I combined the data from the two graphs into one graph. The numbers may not be exact because he didn't give the numbers but they are close.
Antifreeze Mixture



Edited by thx1138v2 on 01-12-17 04:45 AM. Reason for edit: No reason given.

 
scrambldcj8 
Senior Member
Posts: 2278

Loc: MA
Reg: 04-06-03
01-12-17 05:26 PM - Post#2670809    
    In response to bigalturk1

The above two links pretty much counter Mr. Walker.

Also, I don't think any "pre-mix" can just be dumped on the ground without hurting the environment.....or pets for that matter. Although, there is environmentally safe anti-freeze mixes on the market...those can possibly be dumped?



 
454cid 
Frequent Contributor
Posts: 2407
454cid
Age: 44
Loc: West Michigan
Reg: 02-18-12
01-12-17 11:07 PM - Post#2670885    
    In response to scrambldcj8

  • scrambldcj8 Said:

Also, I don't think any "pre-mix" can just be dumped on the ground without hurting the environment.....or pets for that matter. Although, there is environmentally safe anti-freeze mixes on the market...those can possibly be dumped?



Yeah, pre-mix being "Safer" makes no sense to me either. It's my understanding that any of it does break down after awhile so I'm not super vigilant about not getting it on the ground. I'll catch what I can, and then rest I don't worry about. What I do worry about is any areas of fairly concentrated coolant, because of animals, so I'll wash that away with the hose.


99 K3500 RCLB


 
Low priced Genuine GM Auto Parts
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