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View Poll Results: What do you install in your GM after coolant flush (DEX generation)
Prestone 50/50 prediluted extended life (for all vehicles) 14 28.57%
Prestone Dex Cool extended life 11 22.45%
Dex-Cool 50/50 Prediluted 9 18.37%
Prestone Low Tox 0 0%
Peak Global lifetime 7 14.29%
Peak Global lifetime 50/50 prediluted 2 4.08%
Wal Mart cheepest DEX 2 4.08%
Auto Zone cheepest DEX 2 4.08%
Advance Auto cheepest DEX 0 0%
Orielly Cheepest DEX 2 4.08%
Voters: 49. You may not vote on this poll

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Old 06-10-2010, 12:59 PM   #1
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Default What brand coolant will you replace in your GM vehicle after a flush?

What brand coolant will you install after a flush on a GM vehicle 1998 or newer (DEX Generation)?
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Old 06-10-2010, 02:08 PM   #2
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Prestone. That'* what my dad has always used and we've never had a problem that was directly related to the coolant (had a line blow on the Tarus but that was because the line rotted)
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Old 06-10-2010, 02:11 PM   #3
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AnyColor.. Brand isn't overly important.
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Old 06-15-2010, 12:17 PM   #4
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A quick check on Prestone DEX prices :

Walmart PRESTONE 50/50 DEX $12 a GALLON
Walmart PRESTONE straight DEX $13 a gallon
Distilled water $1.69 per gallon
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Old 06-15-2010, 12:26 PM   #5
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Which means

1 gallon of 50/50 bought at store $12
2 gallons of 50/50 mixed yourself $14.69

$12 for a gallon or $7.35 a gallon for the same stuff.
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Old 06-15-2010, 12:36 PM   #6
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Mix my own, and went green only because the color helps identify it'* coolant.
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Old 10-03-2010, 07:10 PM   #7
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Honestly... I run DeathCool. LOL

There haven't been any concerns vs deathcool in the Duramax, Nor the LD8 that I have seen !!
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Old 10-03-2010, 08:01 PM   #8
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I'm at 70k so I haven't had to flush yet. I'm still buying the 50/50 DEX from Oreilly to keep it topped.
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Old 10-03-2010, 09:06 PM   #9
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Whatever is on sale at the junkyard.
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Old 10-03-2010, 09:29 PM   #10
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Just changed out my Dex @ 47K miles with another round of the same. It was definately dingy and off colored compar5ed to new. I wouldn't trust it beyond 50k seeing how mine has started to degade.

Why all the 50/50 options in the poll and no OEM AC Delco DexCool options? Using 50/50??? Sorry for the burn here but that'* for women folk with nothing better to do than pay an pour.
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cool, coolant, dex, dexcool, extended, life, peak, prediluted, prestone

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