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post #11 of (permalink) Old 12-27-2015
Blackpenguin69
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Joined: Dec 2010
Location: west texas
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I recorded amsoil 5w50 at 40-45 idle and 88-92 at around 2750rpms.

Amsoil 10w30 at 30-35 at idle and 75-80 at around 2750rpms.

So if motorcraft 5w50 is reading 80 psi then its shearing down alot. Its not even 5w50 any more.

2014 Black 5.0 Track Pack with to many mods.
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