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Click on image for the lowdown. 
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| | | Forums66 Topics128,049 Posts1,055,552 Members48,425 | | 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!
| | THANKS!
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: Dec 2003 Posts: 2,953 'Bolter | | 'Bolter Joined: Dec 2003 Posts: 2,953 | When GM put in the vent windows they took away the cowl vent on the drivers side of the cab. These cabs can get hot and it is nice have "factory air" coming thru that vent. I have both versions on my trucks and I like them equally well. | | |
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