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i have used quaker state for some time and now i use valvoline in my
truck for now on since the hype over wax build up from quaker state.
now what about motorcraft?? do they hold up just as good as valvoline
just a thought ps. i did see some junk at tear downs with the green bottle and i had to spend more time to clean up parts before bolting up. thanks
Motorcraft oil rates good,it is made by Havoline I think.I too am going to switch after hearing about sludge associated with pennzoil/quaker state.I think the formula shell rates high on the API list of dino oils for quality,I may use it.I thought all dino was pretty much the same,but evidently they do vary in terms of base stock purity/stability and additive effectiveness.Some brands appear to control oxidation and sludging much better than others.Shell,Chevron and valvoline appear to be some of the better dino oils.
[updated:LAST EDITED ON 13-Oct-02 AT 10:21 AM (EST)]Does anyone think this would hold true for other QS products? I ask as I have been running QS 4x4 ATF Synthetic-"Blend" in my transfer-case for approx. 15,000 miles - and am not completely happy with my transfer case performance (though it did seem to improve\eliminate some grinding noise I was getting). I think my current dis-satisfaction is due to auto-hub issues.
I would run Motorcraft, but since I use a synthetic blend and Motorcraft dosen't have 5W30 in the blend, I am running Valvoline Durablend. I may be better off this way since with Valvoline, you presumably always get Valvoline's own product, whereas with Motorcraft, you can find out who makes it, but that could change over time.
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