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Mod | | | Forums66 Topics128,162 Posts1,056,939 Members48,458 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Sep 2008 Posts: 125 Wrench Fetcher | | Wrench Fetcher Joined: Sep 2008 Posts: 125 | Here's another page which is a bit more picky about wording. They say an an"oil manufacter" (apparently unamed) says that theres no such thing as multi viscosity oil. Multi grade oil is oil that flows like the lower rating at cold temps, and like the higher rating at high temps. Like everything else it's complicated, but suffice it to say, the point of Multi-GRADE oils is they flow well when cold, but still provide the protection at elevated temps! Valvoline: http://www.valvoline.com/carcare/articleviewer.asp?pg=ccr20040601ov
Who is John Galt?
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