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  #1  
Old 06-13-2011, 10:03 AM
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Radiator Additive

Guys,
Tried looking for the required additive for the Radiator this weekend. Hit all of the local shops (autozone, orielly's, napa) and no one had a clue what I was talking about. Where do you all get your additive and what is a good brand/maker? Hoping I was just too dumb to see it in the store so I don't have to special order the stuff. what do yo all run (DCA2 or DCA4)?
 
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Old 06-13-2011, 10:06 AM
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Any Ford dealer parts counter should have it. It's pretty cheap.
 
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Old 06-13-2011, 10:07 AM
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Great, have to swing by today and grab some up... didn't think of the dealership
 
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Old 06-13-2011, 10:08 AM
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DCA 2 or DCA 4... anyone have a preference or know why one is better than the other?
Thanks,
 
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Old 06-13-2011, 11:25 AM
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DCA 2 is what you need Mike. Get some test strips too. Check the expiration date on them before your purchase. The are time sensitive.
 
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Old 06-13-2011, 11:37 AM
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I bought mine at Napa, I think I still have the bottle. I'll try to check tonight.
 
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Old 06-13-2011, 12:40 PM
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Chase,
Is this the stuff???



Thanks
 
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Old 06-13-2011, 12:45 PM
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Old 06-13-2011, 12:57 PM
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Originally Posted by MHammer21 View Post
Chase,
Is this the stuff???



Thanks
Negative, came in a round white bottle and it's called NapaKool. I can't find the p/n on Google but I'll check it out tonight.
 
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Old 06-13-2011, 12:57 PM
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Diesel coolant additive,dealer has it for about ten dollars for a pint bottle are you can get the same thing at o,reilley,s for six dollars,the same thing,motorcraft.
 
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Old 06-13-2011, 10:19 PM
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NapaKool is DCA2. Our trucks came with DCA4. Any heavy duty truck shop will have it. Ford has it at the dealer, they call it SCA.
 
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Old 06-14-2011, 08:46 AM
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Can't find NapaKool on their site... anyone buy it recently?
 
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Old 06-14-2011, 08:48 AM
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If I read the other threads in the 99-03 forum correctly, the DCA-2 is a better adative because it only contains nitrates and not a mix of the moly####. The DCA 2 is easier to keep regulated and the nitrates are the best cavitation stoppers. is that right?
 
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Old 06-14-2011, 10:53 AM
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I oopsed in my earlier post. DCA-2 is what the VC-8 / FW-16 additive is. The DCA-4 is a different formulation. There has been many discussions on compatibility. Stick with the Motorcraft product.
 
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Old 06-14-2011, 10:56 AM
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I guess its hard to go wrong using it...
 
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