Re: Grease Trailer Hitch ball? yay or nay?
Grease it! Metal-to-metal wear and a sloppy fit can actually trigger the knock sensor in the engine block to yank out timing. Ask me how I know this.
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1962 Biscayne O-21669 MKIV/M-22
1962 Bel Air Sport Coupe 409/1,000
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