It is surprising how much difference a tire can make to the handling of a car.  Motor sports teams select a tire for the prevailing conditions of the track so have a range of wet weather dry weather and of roads tires with various stud profiles and patterns. Normal drivers however have to opt for [...]

The job of the intake valves is to control the flow of air and fuel into the engine, and then released exhaust gases after combustion.  The intake valves have quite a hard life due to the rapid opening and closing, and have a big impact on the performance of the engine. 

The intake valve is [...]

The clutch is responsible for engaging and disengaging the engine from the drivetrain.  The clutch comprises of a spring mechanism, and a friction surface.  When the two friction surfaces are engaged the power from the engine is transmitted through the transmission to the wheels.

Thinking of the trick where you pull the tablecloth from a table and [...]

Think of an engine as a series of metal components moving at great speed changing direction frequently.  The faster the speed of the engine the greater the vibration and forces encountered.  There is a limit to how fast and engine can goes safely, and manufacturers set this red line and include a Rev limiter.

Disruptions within [...]

Earlier this year in Florida, YouTube’s nottasrt4 spotted a Nissan 350Z with a “modified K&M Supercharger” in the wild’ With camcorder in hand, he recorded a mini-documentary of what he saw’ Upon catching up with the youthful driver of the 350Z a second time at a stop light, nottasrt4 rolled his window down and got an exclusive interview with the driver, revealing the true power of this sweet ride with 422 HP at the rear wheels’ The driver claims his K&M blower runs at 14 PSI, his chipped 3′5L has stainless-steel twin cold air intakes, and rocks a stock exhaust which actually gets “better horsepower with the stock”‘ The videos have to be seen to be believed’

We all know that cold Air carries more oxygen that warmer air. You may have noticed that when air is compressed it gets warmer. If you feel the connecting hose on the footpump as you put air into the tire you would notice that a substantial amount of heat can be generated. [...]