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| | | Forums66 Topics128,026 Posts1,055,403 Members48,422 | | 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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| | | | Joined: Jan 2009 Posts: 175 Shop Shark | | Shop Shark Joined: Jan 2009 Posts: 175 | So I order a timing chain for my GMC and it is a 305A chain, How do I find out what engine I have to be sure it's a 305A, no one has chains, I tried rock auto and Kanter and no luck, EGGE had 1 so I bought it on a chance it's the one I need. | | | | | Joined: Jan 2008 Posts: 4,961 'Bolter | | 'Bolter Joined: Jan 2008 Posts: 4,961 | If its original to a pickup it should be a 305A engine. However, GMC used a double roller and a silent type chain and you need the gears to go with the chain. Rock Auto has both types of chains listed as well as the gears. | | |
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