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Obviously there are various (personal) schools of thought on this. My Owner's Manual states:
"Use only engine oil licensed to the dexos 1 specification, or equivalent, of the proper SAE viscosity grade. ACDelco dexos 1 Synthetic Blend is recommended."
I'll be changing my oil next week before a lengthy trip north, and I'll be using Castrol GTX SynBlend 5w-30.
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2013 1SS/RS Coupe L99, Stainless Power Works LT Headers, SCT X4 Custom Tune from RDP, CAI Inc. Air Intake w/ Apex Scoop, VMAX CNC Ported Throttle Body, Solo Axle-Back Exhaust w/ J-pipes, Apex Catch Can, Husky Splash Guards, Heritage Grille, 3D Carbon Rear Spoiler, Oracle Chrome Turn Signal Bulbs, GM Reverse Light Trim Billets, Gorilla Black Locking Lugs, Emblem Pros Retro SS Badges/Custom Retro SS Kickplates/Under-hood Bowtie, 35% window Tint, Nitto Motivo Tires (6-8-18)
Last edited by PalmerGA; 06-22-2012 at 09:34 PM.
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