I've seen a few threads regarding the use of Unleaded versus Leaded on here...
And also that Lead was typically added for anti-knock as well as increasing octane. So my question is this, since the only LEADED fuel I can find without ethanol is 104 Octane (all the way to 118), what would be better? E-10 based Regular Unleaded (87 Octane using the "R+M/2" method), or Ethanol-Free 91 Octane Unleaded?
Or finally, one of the above with Lead Substitute on each tank? Fuel is going in a B80 in a Saracen if it matters.
Question
mwarrior
I've seen a few threads regarding the use of Unleaded versus Leaded on here...
And also that Lead was typically added for anti-knock as well as increasing octane. So my question is this, since the only LEADED fuel I can find without ethanol is 104 Octane (all the way to 118), what would be better? E-10 based Regular Unleaded (87 Octane using the "R+M/2" method), or Ethanol-Free 91 Octane Unleaded?
Or finally, one of the above with Lead Substitute on each tank? Fuel is going in a B80 in a Saracen if it matters.
Thanks
G
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