Increasing octane allows for the use of higher compression ratio engines, greater turbocharging, more direct fuel injection, and even engine downsizing. For automakers to achieve the new CAFE fuel economy standard of These automakers have proposed the introduction of a mid-level ethanol fuel blend of percent ethanol in gasoline to provide a RON gasoline. Methanol can provide all the octane needed for a mid-level alcohol fuel, but at a third of the cost. If you had 1 lph pump and cc injectors to make the power you had on gas, now you need 2 pumps and cc injectors.
Also, you need bigger fuel lines and you might need more capacity in your tank. Secondly Methanol is extremely corrosive. When methanol comes in contact with bare aluminum it can corrode the metal. Any aluminum surfaces should be hard anodized to prevent this. Pure methanol, however, has no lubricating properties. I recommend adding an off the shelf alcohol lubricant to solve this problem.
Alcohol can also be bad on rubber and plastics to confirm that all of your fuel system is compatible. Lastly, Alcohol can be hard to start in cold temperatures which is why many racers prime there motors on gasoline then switch to alcohol.
Nitromethane will generally make 2. Second of all, it is very corrosive and will produce large amounts of nitric acid in vapor form when combusted, making the use of a proper gas mask essential by the driver, and for those close to the car in the start area. Nitromethane is definitely not for everyone. There is however the possibility to use small quantities of nitro as a power adder.
Snow performance even sales nitro in bottle form for this. Keep in mind that anytime you experiment with anything like this there is always the chance of failure with engine components. This is not for everyone and is really only for those who want the absolute most power out of there Engines.
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