[kittyboy]

What can be expected regarding tune going from E10 to E15, referring to the Federal proposal for fuel blend change?

 

[PGA2B]

I would think we all may have to change our Stoich value in our tunes and retune MAF and VVE.

 

[Lt1z]

I would think we all may have to change our Stoich value in our tunes and retune MAF and VVE.

Well the stoich values in a V2 are for E0 stock and they are running E10. If you have a modded car might be a good idea to checkup on the tune, those running flex fuel won’t need to do anything.

FWIW GM didn't start assuming E10 in the factory tune until the Gen V LT engines which came along pretty far after E10 was common at the pump.

 

[PGA2B]

Well the stoich values in a V2 are for E0 stock and they are running E10. If you have a modded car might be a good idea to checkup on the tune, those running flex fuel won’t need to do anything.

FWIW GM didn't start assuming E10 in the factory tune until the Gen V LT engines which came along pretty far after E10 was common at the pump.

Good to know thanks! Didn't know if the additional 5% possible E content would change things.

 

[Jim]

I'm sure it won't change the price of fuel....

 

[pepn3385]

There was a study, not sure how large. Basically said, that any ethanol in gasoline is worse for the environment than straight gasoline… Leadership hard at work, fucking shit up even more…

I’m not a huge greeny, just thought it was interesting…