chevius

Musician who love the contrast -> comparative exactness of mechanics - and recently auto diagnostics (lab-scopes CANbus GMLAN woohoo for now!) having just gotten my first truck/vehicle newer than 1994.

I was very surprised to discover that OIL is a VERY deep subject!-)

GMT400 - '94 Silverado NV4500 trans has AMSOIL (75-90)
Gen1 - '89 Geo and '91 Firefly trans have Pennzoil SYNCROMESH
~> (daily) GMT610 - 2010 Savana (my first OBDII woohoo!) Pennzoil Ultra Platinum for now!-)