Paul Walker died as a result of speeding and not mechanical problems.

Paul Walker died as a result of speeding and not mechanical problems.

A source connected with the CHP which did the speed analysis. Roger Rodas, the driver, was going between 80 and 93 MPH when he lost control going around a curve and crashed.

 A source from the L.A. County Sheriff's Dept. the agency that conducted the mechanics analysis who says the crash was NOT the result of mechanical failure.  Speed was the trigger for the fatal accident.

Investigators also noted the tires were 9 years old. Shortly after Paul died  law enforcement sources told us they were the original tires on the car and they had hardened it lost traction on the road.

Investigators say there was no evidence a second car was involved in the collision. 

They also said an after-market exhaust system had been installed, which would have increased the engine's horsepower.

Paul Walker and Roger Rodas died Nov. 30 from a combination of the impact and fire.

During the investigation, German Porsche mechanics flew to L.A. to examine the car analyzing the Carrera GT's brakes, engine, body and a tire that wasn't destroyed in the fire.