Ethanol Content and actual results
What about mixing up some e50 from some 116 unleaded and e98? Would give you the cooling properties of the ethanol plus the added anti knock. Would give you a octane rating about 109..
Just a thought.
Just a thought.
I Just converted to corn so I don't have too much experience with it. Dave Steck's ethanol sensor conversion allows my '05 vette to read and adapt to the content. Only put a few tanks through it but I'm digging it lots despite only getting ~E65 at the Kroger by my house. The current/default ethanol tables add ~5 degrees more timing at this ethanol level, 20 degrees so far on gates (15#). I've leaned it out a little roughing out the boost VE table and it hasn't knocked once.
Last edited by 5 Liter Eater; Mar 2, 2016 at 11:31 AM.
Sounds like an expensive way to get to your e50. Why not just run e98 or 116? The anti knock properties of e98 are pretty high I believe. You'd need a pretty stout fuel system to run e98 as well.
I'm new to the alcohol fuels so this all will be a experiment.
9 Second Club
Joined: Nov 2003
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Likes: 185
From: Norn Iron
Who has actually tested ethanol content...and how ?
And does E85 always come out at 85% or close ?
A recent post elsewhere had a guy using VP E85...and via his flex fuel sensor this registered only 65%
Confused he got some more drums to test...and same result, all in the 61-65% range
Here the better pump fuel registers around 7%, cheaper pump 4-5%
He then got some Sunoco E85, it came out at 81%
Now obviously flex fuel sensors can be led astray ( usually by moisture )...but this one sounds like a strange result, especially when it was all new drums of fuel tested.
Any comments ?
And does E85 always come out at 85% or close ?
A recent post elsewhere had a guy using VP E85...and via his flex fuel sensor this registered only 65%
Confused he got some more drums to test...and same result, all in the 61-65% range
Here the better pump fuel registers around 7%, cheaper pump 4-5%
He then got some Sunoco E85, it came out at 81%
Now obviously flex fuel sensors can be led astray ( usually by moisture )...but this one sounds like a strange result, especially when it was all new drums of fuel tested.
Any comments ?
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I test it all the time with an ethanol tester vial and water method. The flexfuel sensors measure moisture in the system and aren’t very accurate if there is any moisture in the fuel. In the farm communities on the outskirts of town in the summer we usually see around 80-85%. In town, it rarely goes higher than 70-75% year round. It’s at 70% or under most of the winter months.
I’d get a simple test vial like pictured below and check the fuel straight from the barrel. Can get them cheap at Sears.
http://www.searspartsdirect.com/part...FQIKaQodzycBtA
I’d get a simple test vial like pictured below and check the fuel straight from the barrel. Can get them cheap at Sears.
http://www.searspartsdirect.com/part...FQIKaQodzycBtA
9 Second Club
Joined: Nov 2003
Posts: 13,616
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From: Norn Iron
Not in the US, so not sure how easy they are to find.
Dont even see anything listed on ebay within Europe for such a thing, all listings are in the US.
Will show him it anyway, as something needs tested !
Dont even see anything listed on ebay within Europe for such a thing, all listings are in the US.
Will show him it anyway, as something needs tested !
9 Second Club
Joined: Nov 2003
Posts: 13,616
Likes: 185
From: Norn Iron
TBH most people who work in main dealers here would struggle to tie their shoelaces nevermind understand anything about a car !
And as E85 is non existent here....they wouldnt even know what a flex fuel sensor was if you shoved if up their hole ! ( not that it is a good way to identify one lol )
Most of the guys in the UK using E85, are buying the race versions from the big brand names, because there is no pump E85 anywhere.
Even still, sensor or not, it should be reading a lot more consistent than it seems to be !
And as E85 is non existent here....they wouldnt even know what a flex fuel sensor was if you shoved if up their hole ! ( not that it is a good way to identify one lol )
Most of the guys in the UK using E85, are buying the race versions from the big brand names, because there is no pump E85 anywhere.
Even still, sensor or not, it should be reading a lot more consistent than it seems to be !
CRAP. Was not aware of that. That might explain why the engine felt a little sluggish. I tried an E70 mix of 4 E85 & 1 110 for the first time and with 15# it only ran 9.20 @ 148 with a 1.306. Plugs looked a little odd, but nothing alarming. Just figured I needed to sort out the tune. Hmm.
Trying to be cautious with this mutt of an engine I slapped together after my AES screwing. Summit aluminum block, 24x crank, LY6 rods/pistons and 317s.
Trying to be cautious with this mutt of an engine I slapped together after my AES screwing. Summit aluminum block, 24x crank, LY6 rods/pistons and 317s.
CRAP. Was not aware of that. That might explain why the engine felt a little sluggish. I tried an E70 mix of 4 E85 & 1 110 for the first time and with 15# it only ran 9.20 @ 148 with a 1.306. Plugs looked a little odd, but nothing alarming. Just figured I needed to sort out the tune. Hmm.
Trying to be cautious with this mutt of an engine I slapped together after my AES screwing. Summit aluminum block, 24x crank, LY6 rods/pistons and 317s.
Trying to be cautious with this mutt of an engine I slapped together after my AES screwing. Summit aluminum block, 24x crank, LY6 rods/pistons and 317s.