XP9 SAE 10W-40 | Quart outdoor It also features high temperature

It also features high temperature protection and shear stability while offering improved low temperature flow and seal protection

such as modified Ford EcoBoost engines and the GM LT1 and LT4 engines

you just want to have ZDDP to form anti-wear protection without the detergent cleaning it off per say

LS30 SAE 5W-30 Synthetic Racing Oil

GP-1 SAE 5W-20 Synthetic Blend Engine Oil

XP9 SAE 10W-40 | Quart outdoor It also features high temperatureXP9 SAE 10W 40 Synthetic Racing Oil Reduces wear and lowers temperatures compared to conventional 20W 50 racing oils. Provides increased high temperature and high shear protection for wet sump and high compression applications. XP9 utilizes select synthetic base oils for increased durability at high temperatures. Compatible with methanol and high octane race fuels. Formulated with proprietary anti wear and friction reducing additives to fight valve