Maximizing Engine Health 5w30 vs. 5w40 - The Essential Guide

In the case of this liquid Molly, it's 5 W 40. The 5 is viscosity at cold temperature, which is what the W means, and 40 is viscosity at warm ... ... or in-store with free nationwide delivery over £ ... COMMA - XTECH 5W30 - 1L. Part: COMXTC1L. check circle. In Stock. Map. Car & Bike Oils, Fluids & Parts/Spares all at Great Prices. Find Products for Your Vehicle or Get FREE Expert Advice for Unique/Track Vehicles. ... 5w-30 5w-40 ... Either is fine. The important bit is the LL01 or LL04. LL04 is mandatory for diesels with DPF filters, LL01 is fine for everything else ... The lower the motor oil's viscosity, the more readily it flows. For example, a 0W-20 motor oil will flow faster than a 10W-40 motor oil. Oil viscosity has a ... The 5W-40 is "thicker" all across the temperature band, and the 210 - 220 oil temp is perfect for a completely warmed up engine. The main difference between 5w30 and 5w40 is their viscosity (compared to 5w-30, during the heat 5W-40 will have a thicker structure). I was told that those of us who have smoking turbos and are using 5w30 Synthetic need to switch to 5w40 synthetic based on a bulletin thats ... ... or diagnostic device necessary. There's even a conference room for ... The X7 5W30 I've seen it sold for nearly half the RRP listed price. Difference Between 5W30 OIL and 5W40 Which is Best for Your Car? 63K views · 1 year ago ...more. Auto V Fix. 48.6K. Subscribe.