Quote:
Originally Posted by weebs25
Hey all. Just got a big gift card to advanced auto. Curious if anyone has ran Mobil 1 , royal purple, or any Castrol 75w90 products with luck ? Just got my car 2 months ago with 25k. Thought I'd try and use this card up if I can. Any of these for the rear diff ? Have no problem buying redline its what is 100% recommended I just don't have much else needed at an auto store at the moment. I haven't seen much posted on here that's not a diy or redline post. Thanks!
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Unless you're tracking your vehicle routinely, you'll be fine with any of the major synthetics. I've used most all, including Redline in Z06's and Vipers (both T-56's), and noticed little if any difference in shift quality. Get your money's worth out of the card.