E85 gone wrong

[steve99]

Originally Posted by FRS Justin

you need a tester so you never get hung up like that again. 20 bucks and 30 seconds can save you some heart ache. one drop of food coloring really help you read the gauge.

or set up alerts on his OFT and it would have beeped and flashed warnings as below, its a rearly usefull feature


http://www.ft86club.com/forums/showp...40&postcount=2

[xsnapshot]

Originally Posted by nunonuna

@MGPAX @xsnapshot
Do you guys experience knock over -1 at sudden throttle change?
Also what mods are you guys running?

I tried e85 last fall before it gets too cold, but I noticed -0.6 fbkc around 4k rpm almost every time and over -1 fbkc at sudden throttle change.
The gas I put was always e75(BP @ corner of Moores Ln & Mallory Ln in Franklin)

No I've never had anything like that. Not when I was bolt-ons and E85, and not now that I'm supercharged either. NA I was using openflash tablet, and now I'm using EcuTek.

Relevant mods are UEL catless header, catless 2.5" exhaust, JRSC w high boost pulley, E85, injectors, pump, and flex fuel.

Have you tried adjusting tip in enrichment? What tuning solution are you using?

[nunonuna]

Im with OFT now.
Mods are full catless exhaust with Gruppe-S UEL and grimmspeed intake bolt on wise.
As Im not confident yet about adjusting tune, I haven't done anything yet other than pulling minimal timing in the area.

Originally Posted by xsnapshot

No I've never had anything like that. Not when I was bolt-ons and E85, and not now that I'm supercharged either. NA I was using openflash tablet, and now I'm using EcuTek.

Relevant mods are UEL catless header, catless 2.5" exhaust, JRSC w high boost pulley, E85, injectors, pump, and flex fuel.

Have you tried adjusting tip in enrichment? What tuning solution are you using?

[thambu19]

I have been seeing some Tip in knock as well and my LTFTs are in the 10% range so I am sure the fuel is of high ethanol content. Have anyone else seen similar tip in knock?

[steve99]

Originally Posted by thambu19

I have been seeing some Tip in knock as well and my LTFTs are in the 10% range so I am sure the fuel is of high ethanol content. Have anyone else seen similar tip in knock?

10% plus or minus ?

shiv tune is set up for about e75 for low trims

positive trims indicate higher e%
negitive trims lower e%

10 % would be e60 or e90 or arround that

if it -10 would indicate arround e60 and if its mixed with low grade petrol then you might get a bit of knock round 3000 rpm 0.6 load, ive seen it a bit on some cars especialky manuals in high gear, just pull a degree

[Fricke]

Hmm is it just me that use Quick fuel measure
I always have some fuel containers in the trunk, and just filling up about 1liter of E85 at the gas station, then I take out my syringes that I use to fill up the Quick fuel and check the content
The separation is very quick if it's really bad, say e70-75.
But too get a really good reading of E92 that we had in the pumps last summer, the last % take some minutes to get a final reading on.

http://www.quickfueltechnology.com/s...test-tube.html

[thambu19]

Originally Posted by steve99

10% plus or minus ?

shiv tune is set up for about e75 for low trims

positive trims indicate higher e%
negitive trims lower e%

10 % would be e60 or e90 or arround that

if it -10 would indicate arround e60 and if its mixed with low grade petrol then you might get a bit of knock round 3000 rpm 0.6 load, ive seen it a bit on some cars especialky manuals in high gear, just pull a degree

It was +10 so probably true E85 I guess