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Question about 4 groove pulley that came off 1959 or 1960 371 engine

Vintage Oldsmobiles Curved Dash, Limited Touring, Models 40, 53, 66; Series 60, 70, 90

Question about 4 groove pulley that came off 1959 or 1960 371 engine

Old February 4th, 2019, 08:24 AM
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Question about 4 groove pulley that came off 1959 or 1960 371 engine

Hi All
I picked up a couple parts cars last month and while I'm waiting for my elbow to heal I'm trying to learn what I can about what I got. One car is a 1955 Olds 98 with a partial factory AC setup. The engine has been changed out and instead of a 324 it has a 371 in it. The water pump had a 4 groove pulley on it, and I'm wondering if that's part of the 1955 AC setup or something newer? I still have a lot to learn about the 1950's vintage Oldsmobiles. I didn't find any codes stamped into the pulley so I'm posting photos of the pulley and the water pump I removed it from. Can anyone help me identify what year/engine is the correct application for this pulley? John






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Old February 4th, 2019, 08:43 AM
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John:
That is not like the 4 groove pulley I have on my 54. Mine does not protrude as much in the center as yours if that makes any sense. Mine has a slight taper from the pully groove to the center if that makes any sense. I will try and get a picture and post.
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