What gear ratio is a G80 rear end?
What gear ratio is a G80 rear end? GM RPO Codes – Factory Identification Labels and InterpretationRPO CodeDescriptionRatioG76Positraction RearG80Axle Positraction, Limited SlipG81Positraction Rear AxleG82Axle Rear4.56 Is G80 a locker or limited slip? The Eaton (eaton.com) G80, also known as the Gov-Loc is a true automatic locker, not a limited-slip differential. It has been an available option on GM trucks for decades. The unit automatically engages when the speed difference between the two tires on the same axle reaches 100 rpm. Is a G80 rear end good? Speaking from personal experience, the G80 works well at providing the extra traction needed...