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Re: 1963 chevy truck 1/2 ton big block swap
My pulleys came on the engine stock. I would get the pulley set up that you need. Im not running pwoer steering or AC, so I really only need 3 groove crank and single groove water pump, but the engine was pulled from a vehicle with both, so I have 3 groove crank and 2 groove water pump. On the flip side...if I install power steering down the road, Ill have the extra groove. Summit and jegs sell the pulleys....think the crank's are about $40 and the water pumps about $30, just depends on how many grooves you want/need. I dont think that you'll find much difference in the "stock" pulleys as opposed to the aftermarket. If you don't intend to go w/PS or AC, then you only need 1 groove to run the alternator, unless your state requires a smog pump for emissions.
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