you have it backwards. if meth stoich is lower then by spraying the same amount of liquid of e85(higher stoich) it should have a greater effect on AFR.

long story short... it requires less volume of e85 to run 1.0 stoich than it does of meth to run 1.0 stoich... which is all your wideband is really picking up. It converts stoich to the AFR scale assuming gasoline stoich of 14.7.

The e85 should have caused a richer reading on the wideband. Again, that is assuming the same volume of fuel is flowing.

 

Don't have it backwards and it was leaner then the meth spraying
Same day same kit same amount

Have to realize e85 has gas in it vs meth being pure

I spoke from my experience no sense in arguing, results were posted

 

What would happen if you sprayed a 50/50 mix without ANY tuning at all. I feel like it would run rich and cause a loss of power. Maybe that's what the OP meant?

 

I didnt mean to say you were recalling it incorrectly... just that the logic in this point was backwards.

 

Yea I mean its very possible that would be true. I guess I was answerign the question as though everything had been tuned for. I really dont see the point of not tuning for it.

 

Here's a way to view it, ppl say you need 30% more fuel for e85 but to run souly on meth you would need around 80% more fuel.

 

You would run richer which would cause loss of power if sprayed a lot but depending on nozzle size and current AFr you May end up being safer

I'd never run the 50/50 mix, I'm no chemist and nore do I have time to always be mixing, run pure meth and call it a day

 

Benefit of pure meth besides cooling is the octane and knock resistant . you can make a **** load of power on pure meth given the amount being sprayed

I've personally pushed the Knock threshold of meth on my old 5.3, I ran timing up and up and kept seeing a gain of mph.
I kept subtracting 93 for meth in tune and added more timing. End of night I had as much timing in my motor as NA setups run...Gained 5 mph that day just playing with meth percentage and timing and not once saw any knock on scanner nore was the plugs showing in the ragged edge range.
Ended that night with 1 more degree and truck was faster up to the 330 where the clutch pedal snapped in half...would of been my 10s pass on 12 psi

 

Yup thats exactly my point. So for a constant amount of air it requires less e85 to run stoich. therefor assuming the fluid being sprayed was the same volume the e85 mathematically should have dropped your AFR more. It's interesting that it didnt.

 

Ever consider the other side of it besides volume? Weight or say the properties of it vs meth?
I see what your saying but point I'm trying to make isn't coming across right

I was seeing around .3 on afr leaner spraying e85 vs M1
M10 nozzle controller set to 6