Turbocharging and Blow-Off Valve Explained
13:14
54:08
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At 13:14 in
The Indianapolis Motor Speedway Museum: INSIDE The "Off Limits" Restoration Shop! (Indy 500 Winners)
What happens here
The speaker then explains the functionality of a blow-off valve, mandated by CART (Championship Auto Racing Teams) to regulate turbo boost pressure. He details how teams would attempt to manipulate these valves to gain an advantage in qualifying, aiming to get as close as possible to the pressure limit without triggering the valve and losing boost. This section ends by showcasing a 1968 Johnny Lightning Special with a visible turbocharger, emphasizing the evolution of turbo technology.
Goal: Learn about turbocharging technology and the purpose of mandated blow-off valves in racing.
Tools and materials
- Blow-Off Valve N/A — Regulating turbo boost pressure
- Turbocharger N/A — Forced induction system on the engine
What they say
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What they say
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