Mastering Engine Protection 5w30 vs 5w40 - The Indispensable Guide

Wondering if you can use 5W30 and 5W40 oils together? Watch this video to learn whether mixing these two oil grades is safe for your engine. 5W30 Engine Oil · View more. Antifreeze & Screenwash; Blue Antifreeze ... 5W40 Engine Oil fitting available, select nearest workshop at checkout. £10.49. The 5W-40 is "thicker" all across the temperature band, and the 210 - 220 oil temp is perfect for a completely warmed up engine. I don't know any tuners out there, or even my tuner. Y'all wanna chime in and help me? I'm getting killed out here. And we switch on 0 W 20 to ... Generally speaking a 5w-40 is more expensive oil than a 5w-30 as it has to not thin out at the higher end of the temp. ranges. Personally I run ... There is a Mobil 1 5W-30 that is approved, the ESP version, but it is European and you would have to order it. And it is expensive. The Mobil 1 ... Like 5W30, 5W40 is an oil with multiple grades. Because of the '5W', it has the same 'winter' viscosity. The '40', however, suggests that this ... Based on the viscosity grade, you can notice that 5w30 oil will be more liquid while the 5w40 is more viscous and thicker so that is why 5w30 ... Even using a heavy duty diesel oil, ie Mobil 1 Turbo Diesel Truck 5w40 (or for slightly less money, Shell Rotella T-synthetic 5w-40) will be ... The 5 is the same. The 40 is higher viscosity at operating temps, compared to 30. The engine was designed for 5w30.