Quote:
Originally Posted by realsteelGM
Can I use a new style pulley from a stock 350 on the 283 without running into installation problems for the power steering pump and alternator. The heads are new vortec heads with bolt hole configuration of the 350. Do the pulley sizes need to be a certain size for speed to water pump etc.
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Make sure the water pump pulley is smaller than the crank pulley so as to keep the water pump speed up enough at idle. Otherwise, you may have insufficient coolant speed at idle.