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#4620492 - 01/01/18 10:58 AM What Ratio Do You Mix Your Antifreeze?
Gebo Offline


Registered: 09/18/02
Posts: 2077
Loc: VA
I use the Toyota Red and mix it 60% antifreeze and 40% distilled water. What is your ratio if you mix your antifreeze? I realize most antifreezes come premixed at a 50:50 ratio.
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#4620496 - 01/01/18 11:06 AM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
double vanos Offline


Registered: 08/05/04
Posts: 1884
Loc: 5600 feet elevation, Arizona
50/50.
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#4620498 - 01/01/18 11:08 AM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
Chris142 Offline


Registered: 06/05/03
Posts: 16811
Loc: Deplorable in apple valley, ca
5050
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#4620500 - 01/01/18 11:11 AM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
Rolla07 Offline


Registered: 11/05/11
Posts: 4732
Loc: MTL, CANADA
55/45
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#4620501 - 01/01/18 11:12 AM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
dave123 Offline


Registered: 01/13/09
Posts: 2313
Loc: wi
50/50 premixed

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#4620505 - 01/01/18 11:15 AM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
Charlie2015 Offline


Registered: 04/24/15
Posts: 236
Loc: Georgia
Premixed 50/50
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#4620514 - 01/01/18 11:24 AM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
Warstud Offline


Registered: 09/02/05
Posts: 5389
Loc: MIchigan

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#4620547 - 01/01/18 11:55 AM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
Lolvoguy Offline


Registered: 02/06/14
Posts: 2324
Loc: Canada
49/51
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#4620561 - 01/01/18 12:11 PM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
BrocLuno Offline


Registered: 09/06/15
Posts: 5506
Loc: Kalifornia Kollective
50-50
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#4620562 - 01/01/18 12:12 PM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
Eddie Offline


Registered: 12/07/03
Posts: 9558
Loc: Florida, Cape Coral
The issue with Pre-diluted 50/50 is that about a quart or more remains in the engine when doing a flush & refill. You end up with something like 45/55 when using pre-diluted.
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#4620570 - 01/01/18 12:19 PM Re: What Ratio Do You Mix Your Antifreeze? [Re: Eddie]
Gebo Offline


Registered: 09/18/02
Posts: 2077
Loc: VA
Originally Posted By: Eddie
The issue with Pre-diluted 50/50 is that about a quart or more remains in the engine when doing a flush & refill. You end up with something like 45/55 when using pre-diluted.


Now that's what I'm talking about...I was wondering if anyone else ever thought about this. YOU ARE THE MAN!
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#4620591 - 01/01/18 12:34 PM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
ZZman Offline


Registered: 03/17/08
Posts: 5765
Loc: Michigan
50-50
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#4620614 - 01/01/18 12:56 PM Re: What Ratio Do You Mix Your Antifreeze? [Re: Eddie]
Yah-Tah-Hey Offline


Registered: 05/26/14
Posts: 3394
Loc: Columbus,Nebraska
Originally Posted By: Eddie
The issue with Pre-diluted 50/50 is that about a quart or more remains in the engine when doing a flush & refill. You end up with something like 45/55 when using pre-diluted.
That may be true for some vehicles Eddie, but for my 04 Camry V6, it didn't make enough of a difference to change the pre-mixed -34F guarantee. Opening the radiator and both engine banks on the 1MZ_FE V6 completely drains the cooling system.

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#4620617 - 01/01/18 12:57 PM Re: What Ratio Do You Mix Your Antifreeze? [Re: double vanos]
JC1 Offline


Registered: 11/29/08
Posts: 2999
Loc: Oshawa, Ontario Canada
Originally Posted By: double vanos
50/50.


+1
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#4620627 - 01/01/18 01:08 PM Re: What Ratio Do You Mix Your Antifreeze? [Re: Gebo]
oldhp Offline


Registered: 06/28/12
Posts: 1621
Loc: USA
I always buy 2 gallons of antifreeze if doing anything coolant to my cars. 1 gal pure antifreeze into car/truck. Split the other gallon into empty antifreeze jug with distilled water making 2 gallons 50/50 mix. Top off radiator. -30 to -45 all the time. I then mark the remaining jug "50/50".
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