Quote:
Originally Posted by Slowrider5
e85 was as cheap as 1.99 last week at the pump in some places of Indianapolis. I wish my 04 Sierra was a flex-fuel engine.
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Oh but it IS my friend...
http://www.motorworksperformance.com/p/DSFLX7193
with the predator tune it uses the same logic as the factory flex fuel versions, except.. it optimizes the E85 spark and fuel map to give more HP/Torque so your actual adjusted MPG is much better NICE EH!