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Click on image for the lowdown. 
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| | | Forums66 Topics128,108 Posts1,056,236 Members48,437 | | 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: Dec 2003 Posts: 2,733 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 2,733 | Run it at 1800-2000 RPM for about 30 minutes to break in the cam. I agree that you should have been given a spec sheet if it's a machine shop and they built it for you. Use Shell Rotella in 10-30 weight for break in then run whatever brand/type you prefer. | | |
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