18 ms·

Note to readers: 14.7 is the stoichiometric mixture for pure octane (C8H18). The stoichiometric AFR for pump gasoline is a bit lower, but the same principles ap

Note to readers: 14.7 is the stoichiometric mixture for pure octane (C8H18). The stoichiometric AFR for pump gasoline is a bit lower, but the same principles apply.

bagels 11y ago
How much lower? Not that I don't believe you, but I've not heard this before.
- tadfisher 11y ago
  Pump gas in the US typically contains 10-15% ethanol, dropping stoich as low as 13.79:1. Stoich for E85 is 9.75:1.