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Cliff8928 · 03-17-2009, 12:59 PM

Because the twin-cam (and subsequently the ecotec) has a hex machined into the camshaft to drive the power steering pump. All the Quad4 motors (aside from the 95) use a pressed on pulley. So it's either use the old belt driven power steering or get the hex machined in.

03-17-2009, 12:59 PM	#34
Cliff8928 Moderator Join Date: Nov 2004 Location: Long Grove, IL Posts: 5,002	Because the twin-cam (and subsequently the ecotec) has a hex machined into the camshaft to drive the power steering pump. All the Quad4 motors (aside from the 95) use a pressed on pulley. So it's either use the old belt driven power steering or get the hex machined in. __________________ Cliff Scott 2004 Alero GX w/sport pkg - Sold, living somewhere in WI now. 2011 Saab 9-5 Turbo4 M6 2004 Corvette Convertible M6 1994 Chevy Beretta - Quad4/M5