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Click on image for the lowdown. 
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7 members (Phak1, Peggy M, Flatblu4748, Charles in CA, FAST55, Gray_Ghost, Rusted Nut),
105
guests, and
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robots. | | Key: Admin,
Global Mod,
Mod | | | Forums66 Topics128,128 Posts1,056,686 Members48,452 | | 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: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 |
2130 comfortably low (fuel efficient)
2500 mid zone
3000 high zone (for cruising)
Different people have difference tolerances/preferences.
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