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Click on image for the lowdown. 
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8 members (David Bush, Wally / Montana, GRNHydra, Oswald, Guitplayer, NJC, Otto Skorzeny, 2-Ton),
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robots. | | Key: Admin,
Global Mod,
Mod | | | Forums66 Topics128,060 Posts1,055,838 Members48,427 | | 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: Sep 2005 Posts: 254 Shop Shark | | Shop Shark Joined: Sep 2005 Posts: 254 | i have a double roller timing chain set for my 350 chevy (PO put it on so i have no directions and don't remeber how it was when i took it off... i know shame on me) the crankshaft gear has 3 key ways in it each with the own mark O, A, R, and if you count 4 teeth counterclockwise from each key way theres the matching mark (ex. count 4 teeth counterclockwise from R key way theres the R mark) and the gear also has 2 DEG stamped in it i can draw picture if needed but don't have the time at the moment
Nate | | |
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