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400 Series General Forum for the Volvo 440, 460 and 480 cars |
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oil viscocityViews : 1626 Replies : 3Users Viewing This Thread : |
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Dec 28th, 2013, 13:17 | #1 |
The Daddy
Last Online: Feb 29th, 2024 15:07
Join Date: May 2010
Location: Manchester
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oil viscocity
So, tedious subject I know.
Just wandering what oil people run in their 400s? My 460 turbo, on 80k miles, runs silky smooth from cold with excellent oil pressure. But when it's hot it goes quite tappety with absolutely bobbins oil pressure, dropping into the red when at low idle like when in gear (auto) and stationary. I realise that the built in guage is a cr@p piece of kit, much like the boost guage it's not calibrated, but it is showing an indication. Can't remember for sure, but I think I'm currently running 10w 40 synthetic, but it is possibly 5w 30 if that's what I had on the shelf at the time. I'm slightly dubious of running a thicker oil to keep the pressure when hot because of possible starvation to the turbo, but what do you guys think? Cheers, Steve
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