HTHS is a critical metric used to measure an engine oil's stability and performance under extreme stress. It simulates real-world conditions inside a running engine—specifically at —to determine how well the oil maintains its protective film in narrow clearances like bearings and piston rings. Key Technical Aspects
It is measured in mPa·s (millipascal-seconds) using specialized equipment like a rotary viscometer or capillary viscometer . The "Balance" Dilemma: HTHS.rar
Reduces viscous drag, which significantly improves fuel economy and reduces emissions. However, if it's too low for the engine's design (typically below 2.6 mPa·s), it can lead to increased wear on camshafts and piston rings. HTHS is a critical metric used to measure
If you are looking at a technical archive titled "HTHS.rar," it likely contains: HTHS viscosity - BASINOL If you did not download this from a
While is likely an archive containing technical data for High Temperature High Shear (HTHS) oil viscosity, please exercise extreme caution: files with .rar or .zip extensions from unverified sources are common vectors for malware. If you did not download this from a known official technical site, it is highly recommended to scan it with reputable antivirus software before opening. Understanding HTHS (High Temperature High Shear)
Provides a thicker, more stable oil film for better wear protection in high-load or high-performance engines. The trade-off is higher fuel consumption. Why This File Might Exist