Posts Tagged: enthusiast

New Rislone

Holly, Mich. (July 25, 2012) — Rislone® Engine Oil Supplement with Zinc Treatment (ZDDP) is now super-concentrated. The cost-effective new 11 oz. bottle contains the same amount of engine-protecting ZDDP (zinc dialkyldithiophosphate) as the former 32 oz. package.

Engine oil has changed drastically over the last 30 years. While SF oil formerly had nominal values of zinc and phosphorous in the 1,500 to 1,600 ppm range, today’s SN oil has nominal zinc and phosphorous values of just 600 to 700 ppm. These levels are fine for modern car engines that have been designed with rollers or anti-friction coatings to prevent wear, but they are not sufficient to protect the camshafts, valvetrains and engines of…