The Rotella T-4 is rated for older non Catalytic Converter Gas and Diesel powered Vehicles.It has the higher Zinc Content which has disappeared from many Diesel rated Oil. Rotella CJ4 15w40 and 10w30 always show 1300+ PPM ZINC. Shell Rotella T is a line of heavy duty engine lubrication products produced by Royal Dutch Shell. 10w30 oils. Motor oil is made from crude oil and is used to lubricate, clean, and cool engines. : For registered members this ad will NOT show. Well, that's 40% less zinc; but I do think the problem with reduced zinc is over stated and you're probably right for the most part. every time this stupid zinc crap comes up it is a pissing match on brands . Buicks. Shell ROTELLA® T4 Triple Protection® engine oil has been formulated to provide Triple Protection technology against wear, deposits and oil breakdown. The Rotella has slightly more zinc and phosphorus than the Chevron RPM Delo 15W-40 I have used in my Ford Powerstroke the last 18 years. I bought an assortment of the little glass gems, but I burned up the only two which would have worked. All I can locate is Rotella T1...has the packaging/marketing of it changed? Likewise with motorcycles, though marketed as an engine oil for diesel trucks, Rotella T6 5w-40 synthetic oil has also found popularity with drivers and tuners of gasoline powered vehicles that utilize turbocharging or other forms of forced induction. After the introduction of CJ4 the zinc levels did lower to the 1200 range, but have since creeped back up to the CI4+ pre CJ4 range. Shell ROTELLA ® T Triple Protection that customers have known and trusted is now Shell ROTELLA ® T4 Triple Protection ®, providing even stronger protection for your engine.And we’re pleased to announce two new products in our portfolio, Shell ROTELLA ® T5 Ultra 10W-30, which … Some notable competitive products are: Though marketed as an engine oil for diesel trucks, Rotella oil has found popularity with motorcyclists as well. I think my little ol 283 with the stock cam that gets driven <2000 miles a year would be just fine with 800ppm zinc. zinc for the multigrade Rotella T oils in order to meets the new API. Welcome to Club Hot Rod! Shell Rotella T1 Heavy Duty Diesel Engine oils are a high quality single grade oil blended to provide excellent performance in diesel engines of all major manufacturers and in all gasoline, LPG or LNG engines. (according to FP). Thanks for using Rotella… p.s. Wear, msli EXCELLENT WEAR PROTECTION Shell ROTELLA ® T4 Triple Protection 15W4- 0 is formulated to provide increased protection at high engine temperatures n l heSl ROTELLA® T4 pe Tirl Poretcotin ® 15W40 - provides However, it is formulated specifically for vehicles without catalytic converters, containing phosphorus levels beyond the 600-800ppm range. Shell Rotella ® T1 oils are suitable for use in many turbo- and non-turbocharged light/medium-duty diesel-powered trucks and transport operations, including city operations and long-distance service. Diesel oils are allowed by law to have more ZDDP than oils certified for ONLY gasoline use. Shell Rotella ® T4 15W-40. Not sure if this has been posted before, but it's some OEM HDEO engine oil tests applied to Shell Rotella T4 15W40 and Mobil Delvac 1300 Super 15W40. Actually the inner wrapper from a pack of cigarettes is a foil of some kind on one side. [1] Therefore, Rotella is not recommended for gasoline vehicles with catalytic converters due to the higher risk of damaging these emission controls. Shell ROTELLA ® T5 15W-40 Synthetic Blend with Triple Protection Plus™ technology delivers all the benefits you’ve come to expect from Shell ROTELLA ®, and then some. Rotella oils like T3 15w-40 meets both the API CJ-4 and SM specifications, and may be used in both gasoline and diesel engines. Higher(content) Zinc Additives(ZDDP) are required for flat tappet engines and cartridge bearings, which In previous formulations Rotella T6 had desirable levels of Zinc(ZDDP). Rotella oils like T3 15w-40 meets both the API CJ-4 and SM specifications, and may be used in both gasoline and diesel engines. Rotella T 30 should still work well in your antique. Triple Protection Plus™ is the unique combination of Triple Protection ® - advanced additive technology and synthetic base oils including Shell PurePlus™ technology. If you want slightly more zinc use Shell Rimula, 1350-1450 PPM continuously. The oil carries both the American Petroleum Institute(API) diesel "C" rating as well as the API gasoline engine "S" rating. Product name : Shell Rotella T1 30 Product code : 001D5428 Manufacturer or supplier's details Manufacturer/Supplier : Shell Oil Products US P.O. This is achieved despite a lower zinc and phosphorus additive level as called for by the API CJ-4 specification. I don't know if something recently changed with Rotella ( I use their T4), or if that bike just doesn't jive with it for some reason, but the oil analysis from Blackstone saw very little zinc in that oil and the viscosity was way down. Ratings differ based on the oil. The lack of "friction modifiers" in Rotella means they do not interfere with wet clutch operations. I buy zddp by the large bottle and add it to all my diesels with flat tappets. everything to do with Hot Rod, Customs, Low Riders, Rat Rods, and more. Thanks man. Shell's Rotella website indicates that on-road testing confirms the new Triple Protection technology produces better anti-wear characteristics than their existing CI-4+ rated Rotella oil.