The Red Line 20W50 is the ultimate high-temperature protection engine oil that is recommended for street use. Good for engines that regularly run very high oil temperatures. Best for engines that run large clearances such as air-cooled engines or large-displacement, all-out racing engines that see occasional street use. Provides 25% more viscosity in bearings than petroleum 20W-50s. Not recommended for use in cold climates where temperatures are at or below 10 F or -12 C. Not recommended for street use in production engines that see sustained oil temperatures below 225 F (those engines should use Red Line 10W-30 or 10W-40).
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QUESTIONS & ANSWERS
Q: Subaru sti 08 with forged internal shortblock kha-8072498 6 years agoAnswer
Is this good to use it with cosworth short-block, I lived in desert with high temperature from 70F to 110F.
A: Its a bit of a thicker oil, and not something we typically suggest for a street car. We would recommend to get a oil temperature gauge and also to stick with the motor manufactures recommended oil viscosity
Kirill C. 6 years ago
This Part Fits
This item is non application specific.
Please verify compatibility before purchase. May require some modification for proper installation.