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Here’s are 2 links for Prestone and NAPA heavy duty antifreeze. Click on the “features and benefits” links.

These are both FULL STRENGTH, and what DDC calls 2 yr

Prestone: https://www.napaonline.com/en/p/PARAFC10000

NAPA: https://www.napaonline.com/en/p/NAFHD1GAL

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Thanks for the links, I should have the 50/50 version of the command heavy duty tomorrow.

Since I dont carry demin water every place I go I’d rather have the premixed version if I ever need to add some on the road.

[Tim]

He’s a link about DD coolant selection

http://www.todaystrucking.com/images/DetroitDieselCoolants7se2981.pdf

[Archived]

Thanks for the DD link, coolant arrived at NAPA today, Prestone Command Heavy Duty 50/50 fully formulated SCA meets D6210.

Test Strips arrive wed. Now I know the proper Nitrite range.