WebDec 28, 2024 · Phosphorus and Zinc (ZDDP) – 200 to 2000ppm (can be lower in some ashless oils, or just Phosphorus and <20ppm of Zinc in Zinc free oils) Silicon – ~5 to 25ppm [sociallocker id=”1279″] Molybdenum – … WebApr 20, 2013 · Spectrometric analysis methods can determine the elemental content of oil samples, including wear debris. Typical wear metals reported may include Iron (Fe), Chromium (Cr), Nickel (Ni), Aluminum (Al), Lead (Pb), and Copper (Cu). Spectrographic Analysis shows typical wear metals in an oil analysis report.
Copper and Your Diesel Engine Oils - Machinery Lubrication
WebApr 28, 2010 · Too much zinc will do more harm than good as it will "gum" without being formulated with the proper detergents. Most over the counter zinc additives will raise any API/ILSAC engine oil zinc level to 1300-1600 ppm respectively and is fairly safe with the detergents in everyday engine oils. WebSep 27, 2024 · When an oil is added to an engine, it usually contains an anti-wear additive. The most common of these is ZDDP or Zinc dialkyldithiophosphate. This contains Zinc, phosphorus and importantly sulphur. The purpose of these additives is during the early running in, where exposed metal occurs after wearing in to smooth surface imperfections. garhua west covina
Engine Oil Analysis - Bob is the Oil Guy
WebCastrol GTX Classic. Castrol® GTX® Classic is a high performance formula for push-rod, flat tappet engines and performance cam applications. It’s blended with high zinc and phosphorus content to help prevent premature aging, wear and metal fatigue on engines with high tension valve springs or performance modifications that create high contact … WebApr 28, 2024 · 1. Use the correct viscosity. That's more important than the additive package. - The oil pressure gage, temperature, and the tach will clue you as to whether the grade has the correct viscosity. - If its a stock 340 with stock cam and springs, would not worry too much about the zddp. http://www.oemys-performance.com/media/cat%20high%20copper%20level%20rpt.pdf garhwal commissioner