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.
If you have had your 3.1L or 3.4L equipped GM car or mini-van for any length of time... you've come to find out that these engines are coolant-leak prone. Especially from the intake manifold gaskets (to learn more about this particular problem, see this article: Coolant Leaking From Intake Gaskets (GM 3.1L, 3.4L)).nowing the root causes of a blown head gasket (or head gaskets) is one of the key pieces of info you need to prevent this expensive repair. The two basic causes of a blown head gasket or head gaskets are: 1  Severe overheating. 2  Usually the result of the cooling system loosing coolant due to: 3  Water pump failure.