Is Royal Purple Worth It? When the Oil Pays Off & When It Doesn’t
Pull the drain plug and that purple stream hits the pan. Looks cool, but it’s the chemistry that counts. Royal Purple uses Synerlec, a film-strength additive that clings to metal and protects before oil pressure builds. The numbers hold. Stronger film, lower wear, and solid LSPI defense for GDI turbos. But volatility tops 11%, and … Read more