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Click on image for the lowdown. 
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| | | Forums66 Topics128,102 Posts1,056,184 Members48,436 | | 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: Jun 2012 Posts: 142 Shop Shark | | Shop Shark Joined: Jun 2012 Posts: 142 | we installed a duramax diesel into a grand national for a client.no mods needed to the firewall.its maybe a 6" longer than a small block but most of that is due to the turbo.if you look on the net for 18to1 you will see the build if david still has the forum up. | | |
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