Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - Bringing the power steering pulley up one groove.
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Old 09-11-2012, 04:16 AM
75gmck25 75gmck25 is offline
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My '75 SBC with HD cooling had the type of pulleys you are looking for. The water pump has a two groove pulley, and with HD cooling the PS belt goes over both the crankshaft and the water pump. When I look up the parts number for a PS belt there are two options, a short and a long belt. Both will work, but only the long one routes around the water pump.

I am running the long PS belt because it keeps the water pump running even if I break the alternator belt. I've had the alternator belt break once on the highway when I was running the short PS belt and it only took about five seconds for the water temp to get into the red once the water pump and fan stopped turning.

Bruce
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