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Heavy Diesel Motor Maintenance Reduced with Dee-Zol

Heavy Diesel Motor Maintenance Reduced with Dee-Zol

"I must now admit that Dee-Zol has done an excellent job of keeping my diesel motors clean on the inside and has materially reduced the maintenance on fuel pumps and injectors.  I can readily recommend Dee-Zol to anyone operating heavy diesel motors.”

diesel motor maintenance, Dee-ZolCement Company, South Carolina

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Diesel Marine Engines Cleaner with Marine Dee-Zol

Diesel Marine Engines Cleaner with Marine Dee-Zol

“We have been using the Bell Marine Dee-Zol in our diesel engines for almost a year and to date we have treated 10 million gallons of fuel in our...

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Long Haul Trucker Gets Better MPG and More with Dee-Zol

Long Haul Trucker Gets Better MPG and More with Dee-Zol

"We have been in the trucking business for years and have been using Dee-Zol for the last six months. We have a Kenworth with a 350 Cummins engine;...

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Lumber Trucks Gained a Gear in Diesel Power

Lumber Trucks Gained a Gear in Diesel Power

“I would like to give the following endorsement of your diesel fuel additive Dee-Zol. In our lumber trucks, we have gained a gear in power and...

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