Thread: who is running E85?

Originally Posted by TDCRacing

And why would you lower the IFR table in HPT?

Accounts for the 30% increase in fuel, since lowering the IFR tables adds fuel. Increasing the IFR table would lean everything out beyond what the fuel trims can fix and cause all kinds of problems.

DHP is the exact opposite so you have to try not to confuse the two.