air intake | Car tuning tips and mods.

Induction kits & cone filters

Like all of us, car engines need to breathe. They use an air fuel mixture which has to be precisely balanced into what is referred to as an air to fuel ratio or AFR. For petrol engines 14.5:1 is the petrol cruising AFR but under load the engine needs more fuel, with typically around a 13:1 AFR. In a turbo engine the AFR might be 11 – 11.6:1. A lambda sensor sniffs the exhaust and determines the amount of unburnt oxygen and will adjust the fuelling to maintain a clean efficient burn avoiding running rich or lean.

Read the rest of this page »

Nitrous injection kits

Nitrous has many names, the most popular is NoS which is actually a brand. Dinitrous Monoxide is the chemical name but for the purpose of this article we shall refer to it as nitrous. We will explore how it works and the various setup options available and see what this does for performance.