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Mod | | | Forums66 Topics128,113 Posts1,056,279 Members48,439 | | 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: Mar 2014 Posts: 161 Shop Shark | | Shop Shark Joined: Mar 2014 Posts: 161 | What are "octane books"? I think you may have meant "octane boost" If so is there something that does the opposite? Some thing I can add to lower the octane.---Jack | | |
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