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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!
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#53930 12/24/2005 6:04 PM | Joined: Feb 2001 Posts: 81 Shop Shark | | Shop Shark Joined: Feb 2001 Posts: 81 | I installed an overdrive transmission in my 62 1/2 ton truck last year-worked fine for a while but now jumps out of third gear going up a slight hill while in OD. Adjusted shifting arms, tried heavier grear lube (140 wt), all to no avail. Now just attach a bunji cord ! Any suggestions? All gears are quiet and mileage is over 20 mpg with my 235 six so would like to salvage the trans without having to pull it. This a three on a tree setup with a switch used to engage OD. Merry Christmas from Texas!
Green Machine
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