Thread: 1983 F150 4.9L 300 Engine hum/whine
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Old 12-14-2011, 09:53 AM
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Grubbworm
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Originally Posted by Wyowanderer
Your 83 should have steel gears (not the fiber ones), and they can be a little noisy.
What year did they stop putting those steel gears in and start putting the fiber ones in?
 
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