5.3 Gmc Engine Dumping Gas Into Cylinders Engines engine colletonfire Matt's 2015 engine rebuild/upgrade Ccfr engines Rebuild matt CCFR Engines Matt's 2015 engine rebuild/upgrade | Page 3 | Chevy and GMC Duramax Check Details CCFR Engines Check Details ← 5.3 Gmc Engine Specs 2021 Gmc 5.3 Engine Problems → Share with friends Link copied