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Labor Day Putting down your wrenches or time for
MORE wrenching? 
Plenty of places to share. | | Click on image for the lowdown. 
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| | | Forums66 Topics128,009 Posts1,055,296 Members48,419 | | 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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| | | | Joined: Jan 1970 Posts: 365 Shop Shark | | Shop Shark Joined: Jan 1970 Posts: 365 | I am running a 261 (bored .030) with a GM 89mm tranny, which has a .73 overdrive. The rear end is a Ford 9" with 3.50 gears. With p225/75R15s I run about 68 mph @ 2000 rpm. I got 20 mpg running an errand to North Platte and back. I really like this combination so far. I put a clutch assembly from a 1.5 ton truck in so if I would need to tow anything the clutch would take it. | | |
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