Samantha Reed

Universal antifreeze is a multi-vehicle coolant formulated with a hybrid inhibitor package, usually a blend of HOAT (Hybrid Organic Acid Technology) or POAT (Phosphate-enhanced Organic Acid Technology), that lets it mix safely with any color or type of existing coolant without gelling. That compatibility is what makes it the best universal antifreeze choice for owners … Read more

Your diesel engine runs hotter, builds more cylinder pressure, and pumps more EGR soot through its coolant passages than any gasoline engine. I learned that the hard way when a wet-sleeve 7.3 Powerstroke developed liner pitting after running conventional green antifreeze for 80,000 miles. The fix cost more than the truck was worth. That is … Read more

I spent the last three months running ten of the best fuel additives through my own truck, my wife’s SUV, and a buddy’s old Cummins to see which ones actually fix rough idle, hesitation, and lost MPG versus which ones are just expensive colored water. Short answer: the best fuel additives in still come down … Read more

Chevron Techron Concentrate Plus is the #1 fuel injector cleaner on our list, and it has been my go-to for three years across two daily drivers. The reason it wins is simple: Techron is one of the highest-concentration polyether amine (PEA) fuels system cleaners on the consumer market, and PEA is the chemistry that actually … Read more

I spent the last three weekends pulling apart a gummed-up lawnmower, a stubborn motorcycle carb, and a carburetor from a 1972 truck that had sat in a barn since 1998. After testing eight of the most recommended best carburetor cleaners on Amazon and across forums, one product rose to the top. Gumout Carb and Choke … Read more

Our team spent three months testing ten of the best octane boosters across daily drivers, modified sports cars, and classic muscle setups. We measured real-world knock suppression, ease of use, fuel-system safety, and cost per treatment to bring you the most complete guide to octane boosters for . Whether you drive a turbocharged Subaru that … Read more

Yes, fuel stabilizers actually work, and we have the evidence to prove it. Project Farm’s five-year fuel stabilizer test showed STA-BIL kept treated fuel refinery-fresh while untreated fuel developed varnish, gum, and corrosion by month six. After 60 months, treated fuel still fired an engine on the first pull. If you own anything with a … Read more

Ethanol-blended gasoline is now the default at every pump in the United States, and most E10 fuel absorbs enough water over a few weeks to cause real engine problems. I have owned small engines, marine outboards, and a classic truck long enough to watch varnish build up in carburetors, fuel lines gum shut, and stored … Read more

If you own a common rail diesel pickup, tractor, or any engine that runs on ultra-low sulfur diesel, the right additive is no longer optional. Since the EPA’s 2006 ULSD mandate dropped sulfur from 500 ppm to 15 ppm, the fuel lost most of its natural lubricity, and common rail injection systems now run at … Read more

If you have ever climbed into your truck on a subzero morning and heard the starter click but the engine refuse to fire, you have met diesel gelling. It is one of the most frustrating problems a diesel owner faces, and it hits harder every winter because the Ultra Low Sulfur Diesel (ULSD) sold at … Read more