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| | | Forums66 Topics128,110 Posts1,056,257 Members48,437 | | 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: Apr 2005 Posts: 2,832 'Bolter | | 'Bolter Joined: Apr 2005 Posts: 2,832 | They made a 0.63 OD T5 for both the Camaro/Firebird and Mustang. This mated to a 4.57 rear gives a 2.88 final which is too shallow for most engines in trucks to handle on anything but flat road and no wind. The 0.68 OD gives a 3.10 final which is probably still iffy without short tires. Keeping the engine in the middle to top of it's torque range at the desired speed keeps both it and you happy.
Evan
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