Last night we headed out in my dads 01 duramax 3500 hooked up to a 30ft gooseneck weighing about 8000lbs and we didn't even get an hour away from the house and his tranny started acting up. So back to the house to get the ole obs powerstroke! Hooked her up and took off!! she pulled a 6mile 6 percent grade at about 45 and not even mashed! Tranny never got over 200 and made it the other 3 hours just fine! I'm pretty proud of my stock truck other than intake and exhaust!
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