GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

g80 posi problems?

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Old 03-09-2007 | 04:29 PM
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Default g80 posi problems?

guys i am having a problem with my g80 before the truck had any mods it would peel out and hook with both tires.now i have some bolt ons and now when you do a burnout it only does it with one and rarely does it with two.also when you take off from the line it takes off with two then lets go one and it peels out only with one... what could it be guys?or how can i fix it?
Old 03-09-2007 | 04:58 PM
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Tahoe6.0's Avatar
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Love my Eaton LSD / G80 Junk!
Old 03-09-2007 | 06:45 PM
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Eaton LSD baby, they ROCK!!!
Old 03-09-2007 | 06:59 PM
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to fix the problem..u need a new eaton lsd or a tru trakc locker..the stock g80 rear slips and bumps all over
Old 03-10-2007 | 08:58 AM
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I read a lot about people having concern about the G80. Most people recommend a Eaton LSD or Tru Trac .I have no problem with that but I believe the G80 is a Eaton.
G 80 is a RPO code for locking differential.RPO-Regular Production Order.
I am assuming LSD stands for limited slip differential. The reason I am writing about this , is because I am concerned how long my G80 will last .I have only bolt on'sbut I tow a camper.
Old 03-10-2007 | 03:19 PM
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it will alst till ti blows there a time bomb when ur beating on it and running lots of torque
Old 03-10-2007 | 03:36 PM
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Just get u an Eaton Posi Frankie. My G80 didn't give me any problems and never acted up on the burnouts or launches. It had 123k when I replaced it and was not showing any signs of giving up. I was already running 13.0's and decided to go with an Eaton rather than waiting on it to go boooom.
I've noticed the newer trucks do let loose and only spin one tire during the burnout and on Launches.
Old 03-15-2007 | 04:50 PM
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my g80 toasted at about 70k miles, lol. I was used to it hooking up and going but one time it just sat there and cooked the right rear
Old 03-15-2007 | 04:53 PM
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Originally Posted by Lord Aries
Eaton LSD baby, they ROCK!!!
Finally we agree on something.
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