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High mile ucf10 - What oil?

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Old 05-22-07, 07:21 PM
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Joshwa
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Default High mile ucf10 - What oil?

I'm about to do a service on my 1991 ucf10, it has roughly 220,000km's (136,700Miles).

What grade/weight oil is recommend for my motor? It's still in reasonable condition, just old

- Josh
Old 05-22-07, 07:43 PM
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PureDrifter
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10w-30 or 5w-30 depending on temperature fluctuations of region.

i run 5w-30 as recco'd since i dont have any leaks and minimal oil-burn. oh, and ~140k mi is NOT high mileage for an LS
Old 05-22-07, 08:03 PM
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skperformance
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I am at 310 000km i was using 15-40 then 10-30 and now i am going down to 5-30 as they seem to hold well with no loss or burn off.
Old 05-22-07, 10:14 PM
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CrazyHawaiian
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I got around 160K on my 90 and I use mobil 1 synthetic 10w30, no problems.
Old 05-22-07, 11:48 PM
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EXE.UCF10
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Valvoline 5w-30 synthetic blend.
Old 05-23-07, 12:36 AM
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shoulda added in that im running 5w-30 Mobil1 Synthetic
Old 05-23-07, 03:33 AM
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Losiho
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Almost 190,000km on my LS, still using Mobil 1 10W30 every change. Doesn't consume a drop of oil.
Old 05-23-07, 09:23 AM
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CptnTonus
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228k miles, I run 20w-50 conventional oil. I have no idea what the previous owner used to put it there.
Old 05-23-07, 09:58 AM
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skperformance
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I use Motul as it out preforms anything else i used before.
Old 05-23-07, 10:26 PM
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Thermactor
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243,000 ish miles, and I'm running 10w30 currently with no issues, but will change to Havoline 5w30 when my oil change is due.
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