Use whatever “weight” you like (seriously) but make certain that it’s designed for long drain interval. More important than viscosity is the additive package that supports long drain intervals. Like ACEA A3/B4, MB 229.5, BMW LL-01/04.
Talked about this a while ago, here: https://www.volvoxc.com/forums/forum...7-XC70-(V70XC)
I’ve used, with oil analysis to back it up, Mobil 1 0W40, Pennzoil Euro 5W30 and 5W40, AMSOIL signature series 0W30, Castrol 0W40. They all meet long drain specs.
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Thread: What oil weight?
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05-29-2020, 01:59 PM #1
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Current Fleet:
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05-29-2020, 08:49 PM #2
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I only use mobile 1 or gastrol to begin with, thanks for the tip!
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02-28-2021, 09:42 PM #3
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This!
Originally Posted by Astro14
I use Mobil 1 Full Synthetic 10w30 that meets the specs. It's the cheapest (was, until Kirkland motor oil was available locally, which meets specs and is a full synth, so I'll try that when I'm out of Mobil 1). Anyway, I change my oil every 12-13000 miles in my 2006 V7t, mostly because I have a turbo and don't want to go too long on the oil (cheap insurance to change it a little more frequently than needed).
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