I plan to switch to synthetic but not for a few thousand miles. I have been told the engine needs to break in on dino-oil before switching. I was thinking about switching at 5,000 miles but a friend just told me his dealer (Honda) told him not to switch until 12,000.
Any thoughts on when to switch?
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Traded 4-1-06: 2006 Black Hummer H3 Adventure Series - Vortec 3.5L Inline 5
Offroad Suspension Package, 33" Tires, Electronic Fully Locking Differential, 4.03:1 2-speed Transfer Case, Ebony Cloth Trim, Automatic Transmission, Sunroof, Roof Marker Lamps, Fog Lamps, XM Satellite Radio, CD/MP3 Player, Trailering Package, Black Tube Nerf Bars
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