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Click on image for the lowdown. 
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| | | Forums66 Topics128,012 Posts1,055,321 Members48,419 | | 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 | The stamped pad at the right front cylinder head will have numbers that correspond to a vehicle model it was original to. The casting number for the block is on the LR of the engine above the bellhousing area. Head castings are under the valve covers. Then use the Mortec site to get more info.
After that trade it for a six cylinder. | | |
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