Thread: Jd 4020
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Old 02-22-2010, 10:57 PM
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Location: Rigby, Idaho
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Originally Posted by cat2 View Post
Looking for 15 more hp out of a 4020, Anyone know how to turn the injector pump up? Not sure on the year, i'm thinking pre 69


Paint it RED. Its good for an easy 20 more horse.
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