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 coolantmixing, poor performance, and smoking.
Installation Error. If youâve had a blown head gasket replaced on your car and solved the problem of why it blew in the first place, the likely cause this time will be installation error. This is not particularly uncommon. The head bolts need to be tightened in the correct sequence and set to the proper torque.