Reasheart,
$2.5 the gallon here the 110 oct Gas
$2.18 the Gallon the 92 oct (that really is about 89)
$1.48 the Galon of Regular 88 oct (that really is about 85)
So in that matter I feel like I.m not throwing at all my money. mostly on daily driving issues I mix some race and "92" oct gas.
For Racing only 110oct (imported that's why I thrust Oct numbers)
My Truck is Build on 9.4:1 Static CR.
About taking a line from the OEM Tank, there's some cons, pros?
Need a Freakin' Roll Cage, and a Death Insurance