Quote:
Originally Posted by FogCityM3
Exactly, due to E85 being oxygenated fuel, the benefits of higher power production are due to more than just hitting factory or higher timing targets. There is more effective oxygen in the cylinders thus if the fuel system is capable of delivering more fuel it will, which will increase power.
I've data-logged with E85 blend and while timing is similar to using 100 octane race gas, more power is produced due to more fuel being injected into the ports (the ECU itself calculates torque based on all ambient parameters and fuel quality). To get the full benefits of running full E85 while keeping things safe, you will need larger injectors.
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The oxygenated argument is ridiculous. Most pump gas is oxygenated with the additive methyl tert-butyl ether. Some are dillusional but power comes down to hitting timing, E85 can help achieve this, however, good pump gas can also achieve timing targets. Now if you retune and change your timing tables, you could extract more of what E85 can allow due to it's higher octane and cooling effects