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					Originally Posted by  70post
					 
				 
				Olds had an optional variable ratio power steering box which was probably available on the Abody cars . Not sure when it started and stopped, year model-wise.  Didn't really have anything to do with the HD Suspension as the F41 sounds like a trailer towing package. 
			
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 I thought all Saginaw A-body boxes from 1970-up were variable ratio?