Looking for input. I have year old gas in my vehicle and driving it resulted in horrible idle vibration that smoothed out in the mid rpm range but threw codes at high rpm. I only have a 1/4 tank of 93 (1 yr old) and need a good octane booster to get me a about 15 miles yo my preferred gas station to dilute it with fresh gas. Walmart stopped carrying NOS for some reason which I actually watched via scanner drop my KR from 5-7 down 1ish.
Aside from chancing it with hardware store chemicals is there any other proven octane booster that will raise the gas by atleast 2-3 full points?
Aside from chancing it with hardware store chemicals is there any other proven octane booster that will raise the gas by atleast 2-3 full points?