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Mod | | | Forums66 Topics128,109 Posts1,056,267 Members48,439 | | 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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#34520 05/22/2004 3:30 AM | Joined: Dec 2001 Posts: 215 Shop Shark | | Shop Shark Joined: Dec 2001 Posts: 215 | I have a set of heads that I was trying to find specs on chamber size and year
I looked up the number at nastyz28.com
but there thay did not have compleat number
"3973487X" could not find numbers like that with the X what does it mean? | | |
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