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Click on image for the lowdown. 
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| | | Forums66 Topics128,023 Posts1,055,365 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
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
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#49152 08/17/2005 6:10 PM | Joined: May 2001 Posts: 7,438 Extreme Gabster | | Extreme Gabster Joined: May 2001 Posts: 7,438 | A quick way to ID the motor is to look at the serial number stamped on the boss behind the dist. The first 3 digits is the engine size. A quick way to ID the heads is http://www.oldgmctrucks.com/photos/gmc_heads.jpg | | |
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