Valvoline VR1 Racing Oil: Contains 75% higher zinc than SN or SM motor oil with a balanced additive package designed to work in both racing and traditional applications.
What oil has the most ZDDP?
Answer. Mobil 1™ FS 0W-40 oil already contains a higher level of ZDDP (1,000 ppm) that could benefit your flat tappet engine.
Does Rotella 15 40 have zinc in it?
(The 15W-40 Rotella T with Triple Protection oil has approximately 1200 ppm of zinc and 1100 ppm phosphorus at the time of manufacture.)
Does Rotella still have zinc in it?
Most Shell Rotella engine oils, including T6 5W-40 Full Synthetic Heavy Duty Diesel Engine Oil, contain approximately 1200 ppm of zinc which will benefit older and high-performance engines.
Does diesel oil have zinc in it?
Diesel oils with API credentials of CI-4, CI-4 Plus, CJ-4 will typically have Zinc levels around 1100 parts per million (ppm). … Diesel oil is designed with much higher levels of detergency and dispersency to fight the soot contamination.
Should you add zinc to engine oil?
Do you need zinc in your car’s oil? It depends on how old your engine is and how you use it. A zinc oil additive will provide improved wear protection for just about any engine, and is an absolute necessity when it comes to older models, especially those with flat-tappet camshafts.
How much zinc do I add to engine oil?
Add 16 oz. of TB Zinc-Plus Engine Break-In Additive to 4.5 quarts of motor oil to achieve approximately 5,000 ppm of Zinc. Not recommended for use in passenger cars requiring API SG, SJ, SL, SM, and post 1994 vehicles.
Is Shell Rotella high zinc?
For classic car applications, the guys at Shell often recommend Rotella, and although it’s thought of as a diesel engine oil, its high-zinc formulation that’s made to fight scuffing on metal-to-metal contact is just what older engines need.
Does Rotella T5 have zinc in it?
High Zinc and Phospherous content with out the additives for the diesel motors that the Rotella T5 contains. Rear Main Seal dampness aside, 150,000 miles later, my 4.0 had no lifter noise at all and runs better than ever! Synthetic is actually good for your higher mileage motors.
Will diesel oil hurt a gasoline engine?
Diesel oils have to put up with much higher engine temperatures, higher oxidation rates, sulfur deposits, fuel soot, acids and other deposits and conditions not usually found in automobile engines. … It’s because diesel oils fail in one critical area when used in gasoline engines.