â—¾Max warm oil pressure: 5 bar (73.5psi) â—¾Max cold oil pressure: 8 bar (118psi) â—¾When starting a fresh engine build or in extremely cold climates - oil pressure must reach 0.5bar (7.2psi) within 4 seconds maximum. â—¾Do not load the engine with full boost and WOT until full operating oil pressure is present â—¾Do not load the engine with full boost and WOT if any boost leaks are present (this can result in turbocharger overspeed)