Looked on here couldn't find a answer. What fuel makes better power ? Money isn't a problem to put it up front as far as the difference in price on the two.
Set up would be n/a motor, ported and decked head, thinned head gasket, with cams. So what fuel is best for this set up? Bike will be dyno tuned. Thanks in advance:2thumbs::2thumbs::beer:
if runnin stock bottom end as sounds like from listed work done
mr12 will be best power at 87 oct,
for a faster burn for the less comp motor
mr12 same oxy content but higher 98 oct
u4 even more oct,,less oxy
Heard that.....don't feel like replace fuel pump or anything like that lol
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Psychobike
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