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Cobra Forums
The Terminator
Engine/Tuning
anyone using Royal Purple 20W50?
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<blockquote data-quote="Lstruck03" data-source="post: 10399530" data-attributes="member: 65191"><p>I dont personally like thicker weight oils in these engines, for basically one reason.</p><p></p><p>The oil passages throughout the engine are rather small, especially in the heads. And due to the sheer size of the heads, each can hold over 1qt of oil at any one time. Thats alot of oil that has to return through small passageways.</p><p></p><p>I use 5w30 and am happy with it. I could see the heavier weights in a road race car where the oil will be hot for an extended period of time, but I wouldn't do it with the stock capacity pan.</p></blockquote><p></p>
[QUOTE="Lstruck03, post: 10399530, member: 65191"] I dont personally like thicker weight oils in these engines, for basically one reason. The oil passages throughout the engine are rather small, especially in the heads. And due to the sheer size of the heads, each can hold over 1qt of oil at any one time. Thats alot of oil that has to return through small passageways. I use 5w30 and am happy with it. I could see the heavier weights in a road race car where the oil will be hot for an extended period of time, but I wouldn't do it with the stock capacity pan. [/QUOTE]
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anyone using Royal Purple 20W50?
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