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Click on image for the lowdown. 
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| | | Forums66 Topics128,196 Posts1,057,391 Members48,469 | | 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!
| | THANKS!
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: Jun 2008 Posts: 47 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2008 Posts: 47 | One recommendation I heard about was to use Royal Purple synthetic oil with the GM additive. Any thoughts on this combination?
Thanks,
Dan M. | | |
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