What is considered an acceptable manifold pressure for toxicity from burns?

The acceptable manifold pressure for toxicity from burns is considered to be 15 PSI because this level helps to ensure that the system operates safely and effectively without posing significant health risks related to exposure to exhaust gases or fuel leaks. At pressures around this level, the likelihood of occurrences like leaks or malfunctions that could lead to toxic exposure is minimized, enhancing safety during operation.

Higher manifold pressures, such as 20 PSI, may increase the risk of failure in components and could lead to more severe health hazards from burns or toxic emissions. Lower pressures, like 5 PSI or 10 PSI, may not provide adequate performance in applications requiring a bit more pressure to maintain efficiency and ensure complete combustion of fuels, which is crucial in avoiding toxic conditions. Thus, 15 PSI is established as a balance between operational effectiveness and safety concerning toxicity from burns.