Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 1993 Chev S10 2.8L no start even after new timing chain › 1993 Chev S10 2.8L no start even after new timing chain September 5, 2019 at 6:17 am #894428 Richard KirshyParticipant if you confirmed that both valves were closed on the cylinder(s) when you tested. You may have either : Damaged valve, seat or both. Cracked head Cracked block