Allis wd45 12v conversion

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   So my dad who owns a Wd45 that my grandpa bought new asked me to do a 12v conversion.   I feel like this might be a dumb question, but I’m going to ask it anyway.   
  The WD45 has a 5/8 belt.   I bought a new alternator on an auction that has a 1/2 pulley.   Will it hurt to run a 1/2 belt?   I’m only asking because a few years ago I replaced the water pump on it, and while it had a 5/8 belt, the water pump pulley was worn through and had to be replaced.    Obviously this the actor is 70+ years old, but I would love it to last another 70 years.

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Tom75 Members Profile Send Private Message Find Members Posts Add to Buddy List Bronze Level Joined: 07 Dec 2023 Location: Palmyra, Nebras Points: 21	Post Options Post Reply Quote Tom75 Report Post Thanks(0) Quote Reply Topic: Allis wd45 12v conversion Posted: 15 Sep 2024 at 4:33pm
	So my dad who owns a Wd45 that my grandpa bought new asked me to do a 12v conversion. I feel like this might be a dumb question, but I’m going to ask it anyway. The WD45 has a 5/8 belt. I bought a new alternator on an auction that has a 1/2 pulley. Will it hurt to run a 1/2 belt? I’m only asking because a few years ago I replaced the water pump on it, and while it had a 5/8 belt, the water pump pulley was worn through and had to be replaced. Obviously this the actor is 70+ years old, but I would love it to last another 70 years.

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