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 :2thumbs:.....don't feel like replace fuel pump or anything like that lol
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Psychobike
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