Doug Morris

Doug is our resident mechanic and automotive expert. With over 20 years of wrenching under his belt, he is our go-to for any question we have about additives and cars.

3 Best Additives to Clean your Converter and Pass Emissions – 2022

Welcome to our exhaustive guide on fixing issues with dirty and failing catalytic converters! This article will focus on the technology and reasoning behind catalytic converters, and will explore the how and why they sometimes get clogged and even fail completely. We’ll also explore the latest additives available to buy, and use our expertise to show …

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Best Predator or Small Engine Oil And Additives

Did you know that the small engine in your generator, mini-bike, go-kart or whatever other contraption you have, is actually likely a flat-tappet design? This applies to Predator, Tillotson, Honda, and many other small engines. Old school muscle car heads will know what flat tappets are. Just in case you aren’t aware though, flat tappet …

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Why Predator Engines Need This Additive