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MR12 or U4.4?

3K views 10 replies 6 participants last post by  jojos750 
#1 ·
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:
 
#7 ·
flush tank and system after use with pump gas
 
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