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Mod | | | Forums66 Topics128,043 Posts1,055,610 Members48,426 | | 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
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#75267 03/24/2007 3:04 AM | Joined: Jul 2001 Posts: 10 Junior Member | | Junior Member Joined: Jul 2001 Posts: 10 | I currenly own a 66 GMC 1/2 ton with bone stock original 250 inline 6 engine. The other 2 engines that were available were a 305 V6 and a 351 V6. Since the only inline 6 that was stock was the 250 you can tell for sure if this truck came standard with the 250 by the VIN. If it begins with an "I" then it came with the 250. The VIN plate is on the drivers side door jam at the very top of the jam. The 6066 site has all the information to decode the VIN. Also you can check engine spec tag which is by the drivers side air vent near the e-brake handle. It will give you specs on the stock engine. | | |
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