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

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Old Aug 7, 2011 | 11:22 AM
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to lean

my truck has been running o.k. but when towing no power i pulled out number 1 auto lite platinum plug it was white checked gap it was correct at 44. i adjusted carb first time running much better it is a little bit richer should i clean,replace or leave the plugs in,also being lean would it cause bad mpg . 1986 f-250 351w thank you
 
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Old Aug 7, 2011 | 01:18 PM
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What do the other plugs look like? I would survey all or most of them before making a decision.
 
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