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.
There's no way to tell that a cylinder head is cracked without actually taking the head off the block. It could be warped, or it could be the gasket alone. You're looking at 500 for a salvaged cylinder head, 100 for the gasket set, and about 700 in labor and materials (i.e. anti-freeze).