i can find the 15-40 everywhere wal mart has it for 12.82 a gallon. i was gonna keep 5w40 in her for the winter and 15w40 the rest of the year. problem is I can't find the 5w40 to save myself
DD: 2006 Duramax Diesel Black CCSB: 4" straight pipe: Big Dipper Trans: Banks Ram Air intake: ATP DSP5: BD Manifold: Air Dog II: resonator deleted: all on mod: B5+ every tank
491 HP/ 1018 TQ(Edge Evo Race LVL 7 numbers)
Work Truck: 2016 transit 250 Eco-boost
My First Truck: 1990 Chevy 1500 sport reg cab 4x2 5.SP Man with 4.3v6.