Is 93 Octane worth the cost for towing?

[runJD]

Originally Posted by DarrenWS6

Any one use 93 for daily driving and notice any economical improvements with it when babying the throttle?

Yeah i tested it out between 87 and 93 octanes in my 4.6 a while back and I found a 2mpg increase in economy with 93. At those prices that worked out to a $.01 saving per mile plus better power! The proportion of increase in mpg exceeds that of the increase in cost per gallon in my case.