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Click on image for the lowdown. 
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| | | Forums66 Topics128,021 Posts1,055,346 Members48,420 | | 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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on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Jul 2011 Posts: 20 New Guy | | New Guy Joined: Jul 2011 Posts: 20 | The Power Pac heads are what i believe we call the Corvette heads over here. They have oversized valves and a larger combustion chamber to get more power out of the 327 engines. | | |
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