Identify your GMC or Chevrolet rear end gear ratio by the RPO Codes, usually located on the placard labeled “Service Parts Identification” inside the drivers door panel or glove box. …

Apr 4, 2018 · The G80 is a locking differential, which when not in locked operation operates exactly as an open differential does. To get it to lockup, you need to REALLY get one wheel …

Jan 10, 2014 · Locking diffs lock 100% once enough RPM difference has been ached between the wheels to lock the diff up, and their engagement is very abrupt. Locking diffs are preferable …

Differential Locker Comparison - A detailed comparison of popular differentials and lockers. Gear Ratio Finder - Find the ideal axle gear ratio for your new larger or smaller tires. Gear Ratio …

Apr 27, 2015 · Most of the time, the rear automatic locking differential acts as an open differential. The locking mechanism is triggered when the MLocker detects a difference greater than 120 …

Nov 2, 2018 · GM has been using two styles of diffs in their rear axles for trucks, since forever: 1) open diff 2) G80 locker. They are locking diffs, not limited slip.

Jan 23, 2019 · All trucks with the G80 code include this locking LSD type differential. The entire lockup process takes about a split second, and is virtually unnoticeable by the average driver. …

Beginning with the 2018 model year, a QR code was added to the Certification label on all Buick, Cadillac, Chevrolet and GMC models. The new QR code includes the Vehicle Identification …

Dec 12, 2020 · G86 uses clutches to lock the two wheels, while the G80 has a centrifugal locking pawl that engages when one wheel is about 100 rpm different than the other. I didn’t know …

Dec 20, 2012 · Gov-lock is GM's name for the differential. G80 is the RPO code used by GM to identify the option. Its was introduced by GM in the newly redesigned 1973 trucks as the G86 …