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Click on image for the lowdown. 
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| | | Forums66 Topics128,078 Posts1,055,936 Members48,430 | | 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: Jul 2008 Posts: 176 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2008 Posts: 176 | Your truck was designed for 75 octane gas or less. Difference in grade is usually just octane rating. Regular 87 octane is fine. | | |
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