Chevrolet Corvette Stingray C7 Forum - View Single Post - Need help regarding oil for winter beater

beagle · 08-22-2010, 11:38 PM

Just bought a '04 Trailblazer for the winter w/ 70k on it
Is it safe to switch over to synth or should I stick w/ conventional due to the mileage?

08-22-2010, 11:38 PM	#1
beagle Drives: 2011 RS Join Date: Jul 2010 Location: Amherst, NY Posts: 2	Need help regarding oil for winter beater Just bought a '04 Trailblazer for the winter w/ 70k on it Is it safe to switch over to synth or should I stick w/ conventional due to the mileage?