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Click on image for the lowdown. 
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| | | Forums66 Topics128,153 Posts1,056,849 Members48,456 | | 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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#26463 12/31/2001 8:28 PM | Joined: Jul 2001 Posts: 149 Member | | Member Joined: Jul 2001 Posts: 149 | I heard two old fellas discussing aluminum heads on a cast block. They were saying that it causes problems due to the differnt type of metals. That the two metals dont match and eventually one of the two will warp and not seal properly. Is this this true? Thanks! 
"Finish the thing, do it right the first time, and drive the S.O.B.!"
1949 Chevy half ton 3100 In a kazillion pieces
2000 GMC Serria 1500 SL 4x4
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