Is this oil good to use in a 351W? Idk what engine mods have been done but was told to use 93 Octane. I've heard mixed responses on oil weight : r/Foxbody
CASTROL EDGE 0W-20 Advanced Full Synthetic Motor Oil, 5 Quarts in the Motor Oil & Additives department at Lowes.com
20W50 Motor Oil | $649.00/per 55 Gal | Conventional 20W50 Motor Oil 55
Signature Series 5W-20 Synthetic Motor Oil | ALM - AMSOIL