06-07-2007, 11:09 AM
(This post was last modified: 06-07-2007, 11:11 AM by OAC_Sparky.)
5W-20 is the viscosity called for in the Duratecs. It's printed right on the oil cap.
The Duratecs are tighter than the Zetecs. I wouldn't even dream of putting 40 weight in unless it was built for it, unless you enjoy spun bearings.
That's why $20 for 4.4L (a full oil change) 5W20 is a deal. That's like $5 more than a decent dino oil.
So....are you going with the 2.25" or the 2.5"? If they need a 2.5" catback mule on a 2.3L I'm available.
The Duratecs are tighter than the Zetecs. I wouldn't even dream of putting 40 weight in unless it was built for it, unless you enjoy spun bearings.
That's why $20 for 4.4L (a full oil change) 5W20 is a deal. That's like $5 more than a decent dino oil.
So....are you going with the 2.25" or the 2.5"? If they need a 2.5" catback mule on a 2.3L I'm available.
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