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80SPORT · 11-06-2010, 10:48 PM

73-79 boxes interchange;80-87 interchange

The difference is in the hose fittings

2WD and 4WD are different

The chevy service manual shows variable ratio box as standard equipment

Ratio is16:1 to 13:1

11-06-2010, 10:48 PM	#8
80SPORT Registered User Join Date: Mar 2008 Location: red deer alberta Posts: 777	Re: Variable speed Steering box for '81 73-79 boxes interchange;80-87 interchange The difference is in the hose fittings 2WD and 4WD are different The chevy service manual shows variable ratio box as standard equipment Ratio is16:1 to 13:1