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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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#47539 07/15/2005 6:44 AM | Joined: May 2004 Posts: 62 Member | | Member Joined: May 2004 Posts: 62 | We are running the T-5 with 3:55 gear and 225-75-15 tires. RPM @ 65 is 2350. It is driven in mountainous roads at 4-5k ft. elevation. The car will accelerate in 5th gear up hills! Acceleration in all the other gears is great! We run the same set-up you have, 848 head, offy with H/W progressives, Fentons with 1 1/2 in. head pipes (lowered the peak RPM for torque!)and the M4F cam.
Fuel economy runs 17-18 mpg!
Accerlation is awsome and it runs the Interstate all day long! Even pulls a 26 foot travel trailer to and from car shows!
Had a 2:55 gear for a while but is was no fun to drive. 3:73's would also work well with the T-5.
47 Fleetmaster, Hotrod 6, 5 Speed
50 Sedan Delivery, 327, 5 Speed
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