1 The Tri-State Tornado lasted for 3 1/2 hours, starting down at 1:01pm 3 miles NNW of Ellington, MS and dissipating at 4:30pm 3 miles SW of Petersburg, IN. 2  Average forward speed of this tornado was 62 miles-per-hour with a record setting speed of 73 miles-per-hour at one point.
The side effects of a blown head gasket include oil and coolant mixing, poor performance, and smoking. This is a serious issue which can quickly lead to catastrophic engine failure. The side effects of a blown head gasket include oil and coolant mixing, poor performance, and smoking.
Overheating is normally associated with blown head gaskets, but the cylinder head and engine block can fail nearly as easily, and do fail in many cases. Driving the vehicle when a known head gasket issue is present can or will result in head gasket failure, cylinder head failure, engine block failure, or a combination of the three.