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Vents – adding performance with Bonnet vents.

Performance gains are possible with the addition of bonnet vents.

Warm air really does kill performance. This is due to the air intake temperatures being hot and air at high temperatures carries less oxygen.

When driving an engine hard the under bonnet temperatures quickly build up and the engine has no choice but to suck this air in reducing your power.

Best cold air intake induction kits and performance impact

Cold air intakes and induction kits and the effect on performance. "Suck it and see – induction kits." Improving the […]

Fuel and fuel additives octane and pressure boost valves.

Choice of fuel becomes more critical in a high compression or turbo engine. "One of my Pet(rol) hates!" Fuel: this […]

Spoiler aerodymics rear spoiler design and construction

We look at how spoilers work? We also explain the difference between a spoiler and a wing. Spoilers are generally closer to the body of the car and help diffuse the air.

Wings are mounted much higher up and have an aerodynamic effect of creating downforce

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