Haha. No big deal. Here we go.
2008 Chev Suburban 3/4 ton:
Quaker State QSUD Synthetic 5w30 with Fram Ultra 10060
Prestone Dexcool in rad.
Motomaster 75W90 Synthetic in both diffs. Rear diff has Posi-Trac LS Additive
AC Delco Dex VI in tranny and transfer case. Also use Motomaster synthetic Dex VI clone.
Closing in on 200,000 miles. All parts original.