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Click on image for the lowdown. 
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| | | Forums66 Topics128,169 Posts1,057,035 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!
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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: Jul 2005 Posts: 581 Shop Shark | | Shop Shark Joined: Jul 2005 Posts: 581 | I run the 7.5 on the front with no problems. Mine are about 31" tall. You can probably expect a marginal bump in speed, not much over 45mph. Different gearing is the way to go if you want hwy speeds. Then you want the brakes upgraded to keep up with traffic.
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