02-05-2013, 02:56 PM
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#23 (permalink)
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A True Z Fanatic
Join Date: May 2009
Location: Sugar Land
Posts: 3,692
Drives: 97' Ranger :)
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Quote:
Originally Posted by DR_
The Mobil 1 0w40 is their best oil. I wouldn't use any of the API certified (5w30) Mobil 1 oils in this engine because the low ZDDP and high iron levels often reported by Blackstone tests. If you want to stay the stock weight the Redline 5w30 is the best option.
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this is true but the oil cannot go past 3k miles before its toast. also its 3 times the price of the mobil1 5w-30 im running.
as far as performance i see ZERO difference. as far as protecting the engine....... i hope its doing its job.
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