i've done quite a bit of fuel blending with Methanolized gasoline recently..
(over the past 2 years)
small blend mixtures can have BIG effects with absolutely Zero changes to the tune.
Stronger mixtures will require some modifications to the fuel storage/delivery system as well as the tune itself.. (but of course you are now getting into the Power/Performance area)
my background is mostly modification/performance
& the shop i owned housed a Dynojet248
we did quite a bit of import Drift, Drag, & time attack cars
back then... i didn't Fully/clearly understand the internal combustion engine concept
and how Much of the setup & tune is predicated by the *fuel*
i started searching for how to increase MPG's in my truck when pump gas in Hawaii was approaching $4.50/gallon
(our federal + state gas Tax equates to 65cents for Each gallon pumped)
well after quite a bit of Reading googled research papers & a few MIT books
i've come to realize the chemical side of the equation Much better
combustion is a "chemical reaction"
want a better reaction???
start with a better mix of chemicals..
anyways here's my Blending sales pitch..
for less than $1 per tankful of gas
10% more MPG's easily
my V8 tundra goes from 17/18mpg on E10
to 21+mpg on a M8
gasoline is a finicky, inconsistent, laazy fuel for internal combustion engines which operate at varying conditions(throttle/load)
a small percentage of Methanol blended in will help combustion happen quicker & more consistently regardless of EGR or weak/dilute mixture strengths..
methanol in the Gas = #1 racers cheat
problem is the mixture doesn't last..
alcohol will accelerate the evaporation of lighter components within the gasoline out of it..
don't get stuck with stale gas with a funky distillation curve after a few days!!
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