I've got Redline 75W140 in the back and Redline 75W90 in the front. I'm planning to change back to the lighter weight in the rear for the winter. Casey, what is the purpose of the friction modifier? We have no clutches in the AAMs. Does it have some other attribute that makes it worth using?
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Issue 128 – Digital Version
Digital Magazines
FREE!
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Renew
Subscribe
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Back Issues
Subscription Status
Address Change Form
Buyer's Guides
Ram Diagnostic Trouble Codes
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What Makes Us Tick?
Product Showcase
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