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Old 04-19-2021, 06:44 PM   #6
daveshilling
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Join Date: Jan 2013
Location: roseville
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Re: 58 GMC Suburban NAPCO and Chevrolet 3166

Quote:
Originally Posted by 1project2many View Post

I am curious about the power steering. The system appeared to be a Chevrolet style system with the control valve on the pitman arm and a power assist cylinder. The GMC I had years ago had a power steering box with control valve and assist piston built in like today's vehicles. But maybe the 1/2 ton Jimmy was different?
I have a GMC Suburban with factory power steering, and it is a direct drive power steering box, not a power assist cylinder. It's more similar to the CPP power steering box, and nothing like the Chevy power steering.
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