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Topic Review (Newest First)
Yesterday 11:03 AM
Wildsailor
Quote:
Originally Posted by Keenan84 View Post
its a sales gimmick for sure, but its worse than that. it actually produces more green house gases and uses more resources by simply how its created. it takes so many resources to grow the corn and process it into fuel that it actually turned out to be more environmental to just process oil instead. so i agree, ethanol is the devil!
Aside from the sales job the ethanol cartel has put on the U.S. Government for all the subsidies and supposed benefits to the atmosphere, the auto companies make Flex Fuel vehicles because they get fuel economy credits for every one they sell. I am not sure what the credit is now but a few years ago the auto companies would get credit for the portion that was only 15% gasoline. So, the Corporate Average Fuel Economy (CAFE) for the fleet that was Flex Fuel capable was huge.

It isn't a logical situation because it is political.
Yesterday 11:01 AM
wavsine
Quote:
Originally Posted by microbus View Post
Any benefit to running a tank of E85 once in a while? Would a tankful of E85 every 30,000 miles clean the fuel-injectors, or decarbonize the valves, or whatever???
Running a tank of E85 once in a while is like occasionally drinking Drano. It will clean you out but it will leave you with that empty feeling.

Seriously, it will have no effect on the valves. The fuel never washes over the valves in a DI engine. E85 might introduce some water into your tank however.

As for the injectors and combustion chamber, run only top tier fuel. The major vendors supply top tier (Shell, Chevron etc.) as well as QT.

http://www.toptiergas.com/retailers.html
Yesterday 10:44 AM
microbus Any benefit to running a tank of E85 once in a while? Would a tankful of E85 every 30,000 miles clean the fuel-injectors, or decarbonize the valves, or whatever???
01-30-2015 04:28 PM
Keenan84 its a sales gimmick for sure, but its worse than that. it actually produces more green house gases and uses more resources by simply how its created. it takes so many resources to grow the corn and process it into fuel that it actually turned out to be more environmental to just process oil instead. so i agree, ethanol is the devil!
01-30-2015 11:28 AM
dervari
Quote:
Originally Posted by henryd1981 View Post

I've mentioned in another thread that I'm giving E85 a try for a bit since the price spread between E85 & E10 is currently enough to compensate the loss in fuel economy. I've lately been averaging 23-24 mpg and I got 27-30 on regular gas.
Wow...E85 is only a 5-10% difference here in Atlanta.
01-30-2015 11:08 AM
henryd1981
Quote:
Originally Posted by rebelx View Post
Can anyone comment on the PZEV engine Focuses?

I was under the impression that we have a choice of what type of engine to buy if we buy a new Focus and while PZEV is rarer, it is apparently the same cost and has a longer warranty. And theoretically, from what I've read, seems to also give great MPG?
I know this has been a year, but I'm resurrecting this thread.

The PZEV version is available only in certain states, ones with the strict emissions rules. Here in Texas, all we get is the Flex Fuel version. I'm not complaining though.

I've mentioned in another thread that I'm giving E85 a try for a bit since the price spread between E85 & E10 is currently enough to compensate the loss in fuel economy. I've lately been averaging 23-24 mpg and I got 27-30 on regular gas.
02-03-2014 11:56 PM
rebelx Can anyone comment on the PZEV engine Focuses?

I was under the impression that we have a choice of what type of engine to buy if we buy a new Focus and while PZEV is rarer, it is apparently the same cost and has a longer warranty. And theoretically, from what I've read, seems to also give great MPG?
02-03-2014 11:12 PM
suss6052
Quote:
Police have rebuilt a specially modified highway patrol car that suffered catastrophic engine damage when it was filled with the wrong fuel late last year.

The Ford Falcon-based FPV GT required significant repairs after an officer apparently filled it with E10 fuel that the NSW government mandated as part of a push for cleaner emissions.

NSW Police built the special Falcon GT as part of its 150th anniversary celebrations.

The hot-rodded car has 400kW of power, well more than the 335kW maximum available to Ford customers.

Advertisement
The GT was the most powerful Australian police car when it went into service, though it has now been surpassed by a 430kW Holden HSV GTS also run by NSW Police.

Fairfax Media understands that an officer filled the Ford with E10 fuel – a blend of 90 per cent regular unleaded and 10 per cent ethanol - as opposed to the high octane juice recommended by Ford.

The NSW government has effectively abolished regular unleaded and encourages drivers to use E10, claiming it is “cheaper, cleaner and greener” and that “most NSW cars that use [unleaded fuels] can safely use 10 per cent ethanol-blended fuel (E10)”.

It’s understood the misfuelling cracked the block of the 5.0-litre supercharged V8 engine, something that could have cost upwards of $5000 to repair.

Superintendent Stuart Smith, operations commander for NSW highway patrol says he was “extremely disappointed” that the car was off the road for several weeks.

“An individual put the wrong fuel in it,” Smith says.

“From time to time we have errors made by staff.

“Some damage has been done to the engine. It has been repaired.”

Officers primarily use the V8-powered machine for public relations purposes. The car is often displayed at events including V8 Supercars and drag race meetings.
http://smh.drive.com.au/motor-news/e...204-31y86.html
02-03-2014 10:34 PM
cessna1 An friend that designs ethanol plants and has spent big $$$ in Detroit testing different blend % of ethanol sent these two videos. Toward the end of both is especially interesting.
Ethanol Blending Value Video

http://www.youtube.com/watch?v=pIc-r...ature=youtu.be

Small Engine Issues Video

http://www.youtube.com/watch?v=yNk4A...ature=youtu.be
11-10-2013 12:56 PM
cessna1 Found some more info on running 93 oct E10 vs adding E85 to make it E65. Notice what knocked and what didn't and also timing. suss, hopefully you're reading this.

Here is some information from the 1/4 mile testing of the 2014 Silverado with gasoline and then E85. Some of the chassis dyno comparison tests were done on the same day but the acceleration tests were done on different days so they aren't exact apples to apples comparisons (see the IAT differences for example).

The engine appears to run a little more spark (1.5 degrees peak, 1.7 degrees average) and run a little leaner (0.6 average and 0.5 peak in terms of lambda, not AFR of course). With the added fuel volume and the DI they may also be getting adding charge cooling benefits.

Gasoline:
9% alcohol content
Maximum timing: 21.5 degrees
Average for entire run timing: 17.2 degrees
Max lambda: 0.83
Average lambda: .79
Max airflow: 264.7 gps
Avg airflow: 209 gps
Max MAP: 98 kPa
Avg MAP: 95 kPa
Max ECT: 107 deg C
Avg ECT: 102 deg C
Max IAT: 36
Avg IAT: 34


E85:
65% alcohol content
Maximum timing: 23.0 degrees
Average for entire run timing: 18.9 degrees
Max lambda: 0.89
Average lambda: .84
Max airflow: 273.6 gps
Avg airflow: 218 gps
Max MAP: 98 kPa
Avg MAP: 96 kPa
Max ECT: 102 deg C
Avg ECT: 99 deg C
Max IAT: 29
Avg IAT: 27

Also, two of four gasoline runs showed knock during the acceleration test (including the fastest run). Neither of the E85 runs showed knock during the acceleration tests (only did 2 runs with E85 since they were so similar). Interesting to note that when not at high throttle angles the ECM shows a lot of knock with either fuel.
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