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Click on image for the lowdown. 
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| | | Forums66 Topics128,161 Posts1,056,956 Members48,458 | | 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: Apr 2010 Posts: 132 Wrench Fetcher | | Wrench Fetcher Joined: Apr 2010 Posts: 132 | GL5 should be the next better version of GL4. The way I was explained, the higher the number the better or newer version. | | |
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