VW/Audi/Porsche 3.0 V6 Tdi - I've been running M1 ESP 5w-30 ever since I bought it at 40k miles - now at 78k, I removed the EGR/DPF/SCR/Urea, and figured I could either saved some $$ on oil changes (been spending $9/quart x 8) and/or find something that can protect even better. The oil temp gauge in the car has shown as high as 275°, but reading through the OBD bus shows that it's never been over 235-240°.
Living in PA, it's not uncommon to get single digit temps in the winter. In the summer, I tow a brick of an extra-height enclosed trailer into the southern states, with air temps often over 90°, so it does work the engine pretty well.
Was thinking about a 15W-40 for the warmer months, and then something like a 5w-xx for the winter (hardly any towing in the winter)...or after more reading, maybe a good 15w-40 wouldn't be bad? Probably stick to a 5k OCI since the on-board computer goes by that, and it bings and bongs like crazy when you go past that.
Living in PA, it's not uncommon to get single digit temps in the winter. In the summer, I tow a brick of an extra-height enclosed trailer into the southern states, with air temps often over 90°, so it does work the engine pretty well.
Was thinking about a 15W-40 for the warmer months, and then something like a 5w-xx for the winter (hardly any towing in the winter)...or after more reading, maybe a good 15w-40 wouldn't be bad? Probably stick to a 5k OCI since the on-board computer goes by that, and it bings and bongs like crazy when you go past that.
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