Pre-cats are inside the exhaust manifold. It isn’t that it is more efficient, there is no other reasonable way to pass federal (and especially California) emissions standards. Catalytic converters work really well, but not until…
Most of you know that your particular car’s engine is designed to operate with a specified minimum Octane Rating (it’s in the Owner’s manual!), but wonder why. The answer is all about engine knock. Combustion…
Using a remote starter is a convenience if you really don’t want to wait for heat on a cold morning, but it is tough on the engine in the long-run, and of course it wastes…
“Torque wins races” is a very often repeated but inaccurate saying, even though it seems right and is very often repeated in the popular press. The equation of motion of a vehicle is: Acceleration is…
There is no one correct answer to what rpm you should upshift. It all depends on what you want to do with the car in the next seconds of driving. If you want more power,…
