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Prestone 50-50 or Zerex g-05 #2770814
05/03/20 03:27 PM
05/03/20 03:27 PM
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South San Francisco, Ca
70sixpkrt Offline OP
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I'm going to change my coolant next week and wondering whats better to run. Prestone 50-50 or Zerex g-05. I am running
Eddy aluminum heads. I am currently running Prestone 50-50.


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4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)
Re: Prestone 50-50 or Zerex g-05 [Re: 70sixpkrt] #2770828
05/03/20 04:23 PM
05/03/20 04:23 PM
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Blair County,PA
62maxwgn Offline
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If you're running 50-50 you are paying for a half gallon of antifreeze and a half gallon of water.The average price of Prestone is around $14 a gallon so you are paying $7 for a half gallon of water ! ! realcrazy

Re: Prestone 50-50 or Zerex g-05 [Re: 62maxwgn] #2770829
05/03/20 04:32 PM
05/03/20 04:32 PM
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kalispell montana
jwilson 61 Offline
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not if he is buying full strength and mixing 50-50 with water to use. he didn't say he is buying pre-diluted.


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68 road runner QQ1 383 auto
1970 6 barrel 4 speed Superbird FY1 number matching
15 Challenger 6.4 SRT pearl White 6 Speed
72 Cuda 440 5 speed
71 Road Runner 440 4 speed
Re: Prestone 50-50 or Zerex g-05 [Re: jwilson 61] #2770830
05/03/20 04:34 PM
05/03/20 04:34 PM
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South San Francisco, Ca
70sixpkrt Offline OP
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Pre-diluted and I get it for $12 a gallon.


[img]http://www.imgur.com/hxlGUJt.gif[/img]
4-speed
3:54 Dana
13.01 @107.93 with street tires (not hooking up)
Re: Prestone 50-50 or Zerex g-05 [Re: 70sixpkrt] #2770868
05/03/20 06:16 PM
05/03/20 06:16 PM
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Blair County,PA
62maxwgn Offline
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Originally Posted by 70sixpkRT
Pre-diluted and I get it for $12 a gallon.


That's expensive water ! twocents

Re: Prestone 50-50 or Zerex g-05 [Re: 70sixpkrt] #2770877
05/03/20 06:24 PM
05/03/20 06:24 PM
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Benton, IL.
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I have ran the regular long life anti-freeze for years. In aluminum block and head combos, and in iron block/aluminum head combos. No problems.

And yes, the pre-mixed is more expensive but more convenient.


Master, again and still
Re: Prestone 50-50 or Zerex g-05 [Re: DaveRS23] #2770891
05/03/20 07:20 PM
05/03/20 07:20 PM
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So Near, Yet So Far
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Been running Prestone - I dilute it myself using distilled water - for probably 40 years, aluminum and iron head and/or intake motors & water pumps, no problems.
Sometimes, like my Dually, I run 70/30 water/coolant.

Re: Prestone 50-50 or Zerex g-05 [Re: topside] #2770899
05/03/20 07:51 PM
05/03/20 07:51 PM
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West Plains, MO
DrCharles Offline
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Green antifreeze and distilled water 50/50 for me (unless there's a sale on premixed, which makes it worth the convenience).

Except in my '93 F-250 (7.3 IDI diesel) I run Zerex G-05 for the anti-cavitation additive package. No need to fool around with bottles of additive, test strips, etc. up

Re: Prestone 50-50 or Zerex g-05 [Re: topside] #2770902
05/03/20 08:02 PM
05/03/20 08:02 PM
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Auburn WA
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I have to buy Distilled water all the time for my C-Pap so I always have 5 gallons on hand. I pay $0.80 a gallon.
So I will buy Prestone 'Any Color' and mix it 40/60 water. Its been good for all my 2.2's, 3.0's and the wifes Buick that was Dexcool crap.

The used stuff I have in my beer can rolling mouse trap. They go out to get to the peanut butter and the beer can rolls and 'SPLASH'. They don't stink when they die.


Retired, US ARMY 1973-1994
ASE mechanic, Electrical 1994-1997
Retired GTE/VERIZON/FRONTIER 1997-2015


Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.

03 Suzuki Burgman 650(Burger King) Scooter
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Re: Prestone 50-50 or Zerex g-05 [Re: DaveRS23] #2770925
05/03/20 09:04 PM
05/03/20 09:04 PM
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Originally Posted by DaveRS23

And yes, the pre-mixed is more expensive but more convenient.


Convenient? Paying $7 a gallon water is not convenient! I can handle mixing it myself. What a scam selling that 50/50 stuff. LOL

1D4311BB-46A0-4409-A74F-0463CD7656D4.png
Re: Prestone 50-50 or Zerex g-05 [Re: NANKET] #2770982
05/04/20 01:42 AM
05/04/20 01:42 AM
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Auburn WA
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Originally Posted by NANKET
Originally Posted by DaveRS23

And yes, the pre-mixed is more expensive but more convenient.


Convenient? Paying $7 a gallon water is not convenient! I can handle mixing it myself. What a scam selling that 50/50 stuff. LOL


If its a $12 gallon for pre-mixed its 50%/50% so its a half gallon of water for $6. Thats even a bigger scam for convenience.


Retired, US ARMY 1973-1994
ASE mechanic, Electrical 1994-1997
Retired GTE/VERIZON/FRONTIER 1997-2015


Posting cheap tech help (CRAP) here since Nov 97, 1000's of posts, some may be good.

03 Suzuki Burgman 650(Burger King) Scooter
65 Formula S Cuda
78 Little Red Express Truck
98 Buick Regal (wifes car)
Re: Prestone 50-50 or Zerex g-05 [Re: Dave_J] #2771008
05/04/20 08:50 AM
05/04/20 08:50 AM
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Blair County,PA
62maxwgn Offline
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Originally Posted by Dave_J
Originally Posted by NANKET
Originally Posted by DaveRS23

And yes, the pre-mixed is more expensive but more convenient.


Convenient? Paying $7 a gallon water is not convenient! I can handle mixing it myself. What a scam selling that 50/50 stuff. LOL


If its a $12 gallon for pre-mixed its 50%/50% so its a half gallon of water for $6. Thats even a bigger scam for convenience.



Yep,and then there are those who complain about the price of a gallon of gas! rolleyes

Re: Prestone 50-50 or Zerex g-05 [Re: 70sixpkrt] #2771013
05/04/20 09:19 AM
05/04/20 09:19 AM
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Mass
DAYCLONA Offline
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Originally Posted by 70sixpkRT
I'm going to change my coolant next week and wondering whats better to run. Prestone 50-50 or Zerex g-05. I am running
Eddy aluminum heads. I am currently running Prestone 50-50.



Change over to the Zerex G-05, I've been running it 50/50 w/distilled water and 10 oz REDLINE water wetter for the last 15+ yrs in the toys/DD's, you'll see the benefits over the Prestone

Mike

Re: Prestone 50-50 or Zerex g-05 [Re: 62maxwgn] #2771017
05/04/20 09:40 AM
05/04/20 09:40 AM
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Benton, IL.
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DaveRS23 Offline
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Our local Rural King has full strength A/F everyday for $8.99. The same brand 50/50 pre-mix is $6.49 every day.

I think that works out to about $4.50 a gallon vs $6.50 a gallon, doesn't it? If so, then that would be $2.00 a gallon for the water. Or $2.00 a gallon for the convenience. However you want to look at it.

https://www.ruralking.com/catalogsearch/result/?q=anti+freeze


Master, again and still
Re: Prestone 50-50 or Zerex g-05 [Re: DAYCLONA] #2771018
05/04/20 09:55 AM
05/04/20 09:55 AM
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Benton, IL.
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Originally Posted by DAYCLONA
Originally Posted by 70sixpkRT
I'm going to change my coolant next week and wondering whats better to run. Prestone 50-50 or Zerex g-05. I am running
Eddy aluminum heads. I am currently running Prestone 50-50.



Change over to the Zerex G-05, I've been running it 50/50 w/distilled water and 10 oz REDLINE water wetter for the last 15+ yrs in the toys/DD's, you'll see the benefits over the Prestone

Mike


I keep some G-05 to top off later model vehicles that already have it. But it is much more expensive to run in everything, so I run the long life stuff. I also change the antifreeze in my vehicles and equipment every 4 or 5 years. We have a dozen or so pieces that take antifreeze, so maintaining that number of pieces with the G-05 would get pricey. Some of the tractors have been with us for 30 years with no cooling system related problems.

Frankly, the number one cooling system problem that I see on older vehicles is the plastic tank on the inlet side of the radiator failing. And that is probably not related to the type of A/F in it.

So, can you expand on the benefits you are referring to?


Master, again and still
Re: Prestone 50-50 or Zerex g-05 [Re: DaveRS23] #2771050
05/04/20 11:07 AM
05/04/20 11:07 AM
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Go buy a gallon of good quality full strength antifreeze ($14) and one gallon of your favorite distilled water. ($.99)
Pour half the water in a temporary clean container.
Pour half the antifreeze in the new water jug.
Pour the water from the clean temporary jug into the new antifreeze jug.
Write the contents on each jug with a permanent marker.
Now you have 2 gallon of clean new 50/50. For $15 and you know what’s in it.

This is the way to go for those that find it hard to mix it yourself 50/50.

Don’t buy the $6-$8 a gallon antifreeze it is alcohol based and not long lasting.
******It smells like a bottle of isopropyl rubbing alcohol. That is what I’m saying*****

Yes DaveJ you math is right

Last edited by NANKET; 05/06/20 11:14 AM.
Re: Prestone 50-50 or Zerex g-05 [Re: NANKET] #2771134
05/04/20 04:26 PM
05/04/20 04:26 PM
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Benton, IL.
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DaveRS23 Offline
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Originally Posted by NANKET
Go buy a gallon of good quality full strength antifreeze ($14) and one gallon of your favorite distilled water. ($.99)
Pour half the water in a temporary clean container.
Pour half the antifreeze in the new water jug.
Pour the water from the clean temporary jug into the new antifreeze jug.
Write the contents on each jug with a permanent marker.
Now you have 2 gallon of clean new 50/50. For $15 and you know what’s in it.

This is the way to go for those that find it hard to mix it yourself 50/50.

Don’t buy the $6-$8 a gallon antifreeze it is alcohol based and not long lasting.

Yes DaveJ you math is right


If you like Prestone better for some reason, Wal-Mart lists both the full strength and the pre-diluted in stock for $10.87 and $8.88 respectively. If my math is correct, that would be about $3.45 a gallon for the water. Or the convenience. However you want to look at it.

I am sure that there are more expensive places to buy this antifreeze, but Wal-Marts and farm supplies are fairly ubiquitous.


The SDS sheets for both the Durex ($8.99 full strength) and the Prestone ($11.99 full strength) list Ethylene Glycol as the primary ingredient. And Ethylene Glycol is a form of alcohol. So, you're saying not to use Prestone, either? What type of antifreeze do you recommend, since you don't like Ethylene Glycol?


Master, again and still
Re: Prestone 50-50 or Zerex g-05 [Re: DaveRS23] #2771282
05/05/20 12:16 AM
05/05/20 12:16 AM
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I found my car seemed to run about 10-15 degrees hotter with the Zerex G-05 vs regular green Prestone, both mixed 50/50.


Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street
Re: Prestone 50-50 or Zerex g-05 [Re: GTX MATT] #2771355
05/05/20 10:48 AM
05/05/20 10:48 AM
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My R/T was an inferno, I couldnt find any solution to get it to run cooler. I went with a custom three row radiator using the factory top tank for stock appearences, flow kool water pump, tried the evans cool and about every other idea to get it run cool. I ended up going with what Mike mentioned with the Zerex with water wetter and it had a significant impact on the heat! It still ran hot...really hot but NEVER puked or suffered from the effects of the heat perfermance wise.
I'll never understand why mother put a 22" radiator in front of any big block!

Re: Prestone 50-50 or Zerex g-05 [Re: LimeliteAero] #2771386
05/05/20 11:37 AM
05/05/20 11:37 AM
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At first glance, a 22" radiator in front of a big block doesn't seem to make sense. But the other side of that is that we have all had that combo and it actually cooled fine. I myself have had several BB cars with 22" radiators and have not had any particular problems with cooling. And some of the cooling systems were certainly not optimal. In fact, I have had 2 different '71 GTXs that had the 440 with the standard 22" radiators. Although they cooled fine, that made about as much sense as having the HD suspension and torque boxes and the open rear end all standard on the GTX. Must have been bean counters that thought that up.


Master, again and still
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