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I blew up my rear end last night in the Silvy and want to upgrade to a posi or locker unit. What 1/2 ton trucks came factory with the G80 lock or whatever it is called? Will it swap into a factory open rear? If not what are some recommendations for a good aftermarket setup?
Also did chevy make an aluminum driveshaft for a 4x4 RCSB truck? part number?
Thanks, TY
Do not a factory locker unit, G80 (Grenade 80)!! You are better off with a Detriot Tru Trac or something similar. (Eaton, Auburn...) I think they run around $400.
G80 is GM's reference code to the limited slip differential they use in various vehicles.
G86 is GM's reference code for the posi unit
with that being said the Gov-lok works very well for what it was intended for, once you go beating on it it does have its flaws but agan it wasnt meant for somethings majority of us are using it for
i still run a G80 in my turbo truck and havent had issues, my G80 in my NA truck held well......dont go beating on the rear and it will last for long time
as for question, it should swap into an open
I just installed a Detroit Truetrac and love it! That is the most preferred posi for the simple reason they work great!
Mine has 140k on it and still doing fine... But my buddies blew a hole in his Dif cover.