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Click on image for the lowdown. 
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| | | Forums66 Topics128,078 Posts1,056,049 Members48,433 | | 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: Nov 2018 Posts: 25 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2018 Posts: 25 | Is there a vacuum port to tune the air/fuel mixture or am I to gauge it with RPMs?
Also, am I aiming for 500 rpms as factory spec?
1963 C10 Fleetside Long Bed; 230; 3 speed; gun rack.
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