I just got off the phone with Redline tech support (800-624-7958) and they recommend using 75W90 not 75-W90NS even though it has friction modifier in it. The tech said that the friction modifier will only help keep temps down.
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- Thread starter CraigJones
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Attention: TDR Forum Junkies To the point: Click this link and check out the Front Page News story(ies) where we are tracking the introduction of the 2025 Ram HD trucks.
Thanks, TDR Staff
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Issue 128 – Digital Version
Digital Magazines
FREE!
TDR Test Drive - Digital Edition
Renew
Subscribe
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Back Issues
Subscription Status
Address Change Form
Buyer's Guides
Ram Diagnostic Trouble Codes
The Perfect Collection
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What Makes Us Tick?
Product Showcase
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