Havoline rival

• Fuel additive brand that sponsors many auto racing events
• Maker of fuel additives
• Big Indy 500 advertiser
• "The Racer's Edge" sloganeer
• Auto engine conditioner
• Eng. oil additive
• Scott Weiland band, for short
• Its slogan is "The Racer's Edge"
• "Interstate Love Song" band, briefly (I had it on colored vinyl)

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
commercial motor oil additive, probably an initialism (acronym) of scientifically treated petroleum . As the street name of a type of psychedelic drug, attested from 1967.