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08-19-2015, 02:19 PM
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Registered User
 
Join Date: Apr 2011
Location: AMERICAN FORK, UTAH
Posts: 535
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Pulley
My '72, 402 Chevy truck has the 3 groove pulley on the water pump and the crankshaft. I am not running AC right now. I have a 1 groove pulley for the water pump that was on a '72. When I put the one groove pulley on the water pump it touches the crankshaft pulley. My question is - when they used the one groove pulley on the water pump, was the crankshaft pulley smaller? Why are the 2 pulleys touching each other? Thanks in advance to any response.
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