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Best way to break in engine on 2014 ss/rs 1le
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10-23-2013, 08:29 PM
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SGDM
Drives: 2016 2SS
Join Date: Nov 2011
Location: North Texas
Posts: 1,422
I dumped the synthetic, put in Pennzoil, drove it like I stole it for 500 miles, put Mobil 1 in it, and all is good. The synthetics are slick and won't allow the rings to seat the cross hatch cylinders.
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