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Old 04-24-2013, 09:40 AM   #4
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Join Date: Sep 2003
Chapter/Region: MWSOC
Location: Minneapolis, MN
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Originally Posted by lj8915 View Post
He says motul is a thin 30 weight oil....I thought it was one of the thicker 30 weights.

What are the thickest 30 weights oils?
Thickest current Resource Conserving (ILSAC GF-5) oils I'm aware of are Amsoil OE and XL 5w30 with HTHS of 3.3 cSt.

Thickest non-RC oils are the high mileage and Euro varieties like Dennis said. A Non-exhaustive list:

Valvoline Maxlife Full Synthetic
Valvoline Synpower MST 5w30
Mobil 1 High Mileage 10w30
Mobil 1 ESP Formula 5w30
Castrol SLX OE
Castrol Syntec 0w30 (German Castrol)
Pennzoil Ultra Euro 5w30
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