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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

6.9l deisel power problem

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Old Feb 9, 2005 | 05:00 PM
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thewatt
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6.9l deisel power problem

I have a 1986 ford f-350 4x4 with 35 inch tires. It really stuggles going up hills pulling a trailer. I have a banks turbo and 4.88 gearing in it. That seemed to help but wow is it slow. I was thinking of taking off the fan and using an electric fan. would that help at all? Also, what about pulling in 4 wheel drive? would that damage or hurt anything and would it help when i'm pulling the trailer?
 
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