Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 72 c20 couple of problems i believe is the tranny.
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Old 05-28-2011, 06:01 AM
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1ownerT 1ownerT is offline
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It is likely a Muncie SM465. The grinding could be a clutch issue, not fully disengaging when the clutch pedal is depressed. It may be due to be replaced, There is a chance the clutch could be related to the lack of power issue also, it (the clutch) may be slipping.
You may be due for a complete tune up, points, plugs, cap & rotor, wires, maybe a carb rebuild.
The "winding" noise is probably the rear end gear, with the truck being a 20 series with a manual trans. It could be in the 4.xx:1 area.
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