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NAPA Kool SCA?

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Old Nov 21, 2011 | 04:26 PM
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NAPA Kool SCA?

Anybody using this stuff as your DCA?

NAPA Kool

Will it work for our PSD's? I drained the coolant and re-filled with regular green Prestone and distilled water. Now I want to add the SCA and be finished for a while with the cooling system, I just don't want to add the wrong stuff...
 
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Old Nov 21, 2011 | 04:44 PM
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That's what I've been using for years
 
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Old Nov 21, 2011 | 04:47 PM
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I figured it's tough to go wrong with anything from NAPA, but I want to get this right before I add it to 4+ gallons of new antifreeze!
 
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Old Nov 21, 2011 | 05:04 PM
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I've been running it for some time now as well
 
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Old Nov 21, 2011 | 05:07 PM
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And it tests okay on the WIX test strips?
 
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Old Nov 21, 2011 | 05:13 PM
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Yes it does.
 
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Old Nov 21, 2011 | 05:38 PM
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Anybody else before I go dump it in?
 
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Old Nov 21, 2011 | 06:40 PM
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i have been using it in my 88 for 23 years, and in the 02 since i got it 4 years ago.
 
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Old Nov 21, 2011 | 06:54 PM
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Originally Posted by tjc transport
i have been using it in my 88 for 23 years, and in the 02 since i got it 4 years ago.
Well I guess that pretty well settles it for me. I'm gonna dump in about 2 pints and run it a couple days then test it again. Bought a 4 pint jug for $22 at the local NAPA on the way home tonight.
 
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Old Nov 21, 2011 | 06:59 PM
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Originally Posted by DIYMechanic
Well I guess that pretty well settles it for me. I'm gonna dump in about 2 pints and run it a couple days then test it again. Bought a 4 pint jug for $22 at the local NAPA on the way home tonight.
Dang I have a napa warehouse about 2 miles from my house and they Sell the single pints for 9. I'm getting hosed
 
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Old Nov 21, 2011 | 07:02 PM
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Single pints bottles were $8 and change but they had the 4 pint jug right next to them for less than the cost of three single pints.... hmmmm, lets see, lol...
 
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Old Nov 21, 2011 | 07:20 PM
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Oh oh, my coolant is red!

Got a bottle of Wix test strips to check my coolant. It is red. Not green or orange. Is this bad? It tested good on all three Wix strip parameters. What kind of coolant do I have and should I switch? This is a new-to-me 145,000 mile old PSD.
 
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Old Nov 21, 2011 | 08:35 PM
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The new ELC anti-freeze is red. I don't think it's compatible on the 7.3 until the late 99 model year. It eats away at the injector cup sealant and you'll notice fuel in the degas bottle if you let it run long enough.
 
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Old Nov 21, 2011 | 08:37 PM
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Hard to tell what the red stuff in there is. Might be a specialty coolant or something like Amsoil (usually red). You call on that, but the price of 4 gallons of antifreeze and a few gallons of distilled water, seems to me to be a lot cheaper than injector cups...
 
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Old Nov 21, 2011 | 08:42 PM
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so you mix it yourself? what ratio do you run? i'm wanting to drain and refill my new truck, never know what has been in there. Thanks also how much of the additive?
 
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