The great fuel filter myth. Written by Jim Hopkins, Toyota Tech Adviser Feb 08, 2004 at 04:00 AM When Toyota Engineers first developed their electronic fuel injection (EFI), they were searching for a maintenance free, self regulating fuel system that would continually maintain itself in...
2 Comments

General Rod Knock Info Diagnosing Engine Noises can be the most difficult thing a mechanic can do. Misdiagnosis is the norm rather than the exception. I almost laugh when people open up and say it's a "rod knock" for every noise from fuel pump rattle to rocker arm tap. My personal favorite...
1 Comments

This may help if you are learning to read turbo maps: TURBINE MAPS 1. Turbine Expansion Ratio The degree of exhaust expansion as it passes through the turbine.

One of the most frequently asked technical questions we get at VP is about the difference between Motor, Research and R+M/2 octane numbers. The next question often asked is why do some fuel companies represent their fuels with Motor Octane Numbers and other companies use Research or R+M/2 Octane...

StopTech's list of brake system myths. Carroll Smith of StopTech Myth # 1 – BRAKE JUDDER AND VIBRATION IS CAUSED BY DISCS THAT HAVE BEEN WARPED FROM EXESSIVE HEAT. The term "warped brake disc" has been in common use in motor racing for decades. When a driver reports a vibration under hard...