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Old 08-09-2009, 01:10 PM   #11
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Join Date: Oct 2007
Location: Hemet, Ca
Posts: 125
Yup...the Suburban's. Under warranty, but nonetheless a pain in the *****. The diff's for the Avalanche and 'Burb are the same. The Avalanche was no longer under warranty so that prompted me to protect it first with the Mag-Hytec and Amsoil Gear Oil. The Mag-Hytec holds more than a quart more gear oil than the stock diff cover which really helps out too.

The guy at Chevy told me the same thing about the rear-ends on the Suburban's going out too soon. Problem is he wouldn't say that after warranty runs out, he would simply say, Cha-Ching.


2006 Avalanche 1500 w/6" lift
2007 Suburban 2500 4x4 w/4" lift
2008 Salem 26TBSS
P3 Controller
4 lil' ones & a Hottie for a wife
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Old 08-29-2009, 04:57 PM   #12
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How does this compare to AMSOIL?

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