Think 10% Ethanol sucks? try 15% !
#226
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Join Date: Oct 2010
Location: Houston
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Been a while since anyone has posted so dnt know if anyone still reads this... lol. I premix my fuel with 2cycle oil but I work on aircraft and every now and then I mix the 100LL with my gas. So far I have not experienced any problems but I do not do it frequently. We take fuel samples and test them for water and if it's good i store the sample and when i get about half a quart or so i mix it with my fuel. Haven't tried just using 100LL all the way but if anyone has recently please lmk. .I just hit the 100,000 mile mark. . I'm just a little over 100,000.... And i been running on regular gas since i heard premixing decreases the octane on the fuel.
#229
Registered
iTrader: (4)
While lead is an octane booster, it isn't needed or wanted in a rotary. Besides adding octane, it also lubricates valve seats. We ain't got those. Lead also leaves nasty deposits in the engine, including on the spark plugs. We already change those often enough and at $80 a pop, that isn't going to help.
If you can get the required octane level fuel, there just isn't any argument for it.
If you can get the required octane level fuel, there just isn't any argument for it.
#230
I drive at Red Line.
iTrader: (1)
But its great for housing walls and apex seals! Neither did my spark plugs burn out from it (65K+ at time of my car being totalled.) My cat also survived just fine, and I was passing compression with great numbers at 80K+ and I was tracking in decent intervals.
#231
It may be "great" for the seals per se BUT what about the gunk that forms on the spring seats?
You'd be better off using a lead substitute in theory (since leaded fuel is strictly unncecessary) as it is designed to leave no nasty deposits.
My ferrari was designed to rely on leaded petrol. By switching to modern 100ron we actually gained power for a number of reasons. The problem is finding the right additive though, 8 cyl and 4 valves per cylinder accounts for expensive repair bills if valve seating occurs.
You'd be better off using a lead substitute in theory (since leaded fuel is strictly unncecessary) as it is designed to leave no nasty deposits.
My ferrari was designed to rely on leaded petrol. By switching to modern 100ron we actually gained power for a number of reasons. The problem is finding the right additive though, 8 cyl and 4 valves per cylinder accounts for expensive repair bills if valve seating occurs.
#237
Registered
There are guys who went to buy boat gasoline because it's Ethanol free and realized how expensive it is .
Just saying.
#238
Banned
iTrader: (3)
Uh, you would have a miserable time trying to drive an RX-8 on the street without the O2 sensor.
All fuel is delivered "ethanol free". They add the ethanol at the time of delivery from a separate tank.
Ethanol is so unstable that if they pre-mixed it, the ratio would be way off when it was delivered and the hygroscopic properties would have spoiled it.
Ethanol is so unstable that if they pre-mixed it, the ratio would be way off when it was delivered and the hygroscopic properties would have spoiled it.
Last edited by MazdaManiac; 09-08-2011 at 12:10 PM.
#239
Registered
The Stations that have a separate tank for Ethanol, and maybe a blender pump I dunno, can save money by buying Ethanol straight from the plant.
Last edited by Allch Chcar; 09-08-2011 at 12:47 PM.
#240
Banned
iTrader: (3)
The fuel delivery truck has a separate tank for the ethanol. The delivery guy mixes it when he loads the tanks at the station.
It is blended in the ground, which is another good reason to avoid rural gas stations with very little inventory turn-over.
The good news is that, in Phoenix at least, the amount of ethanol has been dropping lately.
I test the fuel every so often and the blends have fallen under 10%.
Probably has something to do with less economic incentive to blend.
#241
Registered
No.
The fuel delivery truck has a separate tank for the ethanol. The delivery guy mixes it when he loads the tanks at the station.
It is blended in the ground, which is another good reason to avoid rural gas stations with very little inventory turn-over.
The good news is that, in Phoenix at least, the amount of ethanol has been dropping lately.
I test the fuel every so often and the blends have fallen under 10%.
Probably has something to do with less economic incentive to blend.
The fuel delivery truck has a separate tank for the ethanol. The delivery guy mixes it when he loads the tanks at the station.
It is blended in the ground, which is another good reason to avoid rural gas stations with very little inventory turn-over.
The good news is that, in Phoenix at least, the amount of ethanol has been dropping lately.
I test the fuel every so often and the blends have fallen under 10%.
Probably has something to do with less economic incentive to blend.
Ethanol rack prices are over $3 a gallon. Probably fairly close to Gasoline rack prices after margins.
#243
Registered
I got this from SEMASAN yesterday:
The U.S. House Science Committee approved a bill (H.R. 3199) directing the National Academy of Sciences to conduct a scientific assessment on how gasoline blended with 15 to 20 percent ethanol (E15 and E20) may impact gasoline-powered engines, vehicles and related equipment. The analysis would consider a variety of issues including tailpipe and evaporative emissions, impact on OBD systems, materials compatibility and fuel efficiency. The National Academy of Sciences would have 18 months to conduct its analysis. HR 3199 will now be considered by the full House of Representatives.
* H.R. 3199 acknowledges that E15 causes corrosion with incompatible parts. Ethanol increases water formation which can then create formic acid and corrode metals, plastics and rubber. The EPA allows use of E15 in 2001 and newer vehicles, but agreed to make it “illegal to fuel pre-2001 vehicles” with E15. A required warning label on the gasoline pump will not protect consumers from accidentally misfueling these vehicles/engines.
* H.R. 3199 recognizes that E15 is not yet in the marketplace. It is still the subject of several lawsuits and Congress could enact legislation to block the sale.
* H.R. 3199 prevents the EPA from permitting the sale of E15 before the report has been submitted to the House Science Committee.
* H.R. 3199 potentially protects millions of vehicles and engines that can be harmed from E15. The EPA was premature in permitting the sale since it is still unclear how E15 impacts tailpipe and evaporative emissions, OBD systems, materials compatibility and fuel efficiency.
If you'd like to show support for this bill, please let your elected officials know. You can find your reps here: http://semasan.com/lookup.asp?g=semaga
The U.S. House Science Committee approved a bill (H.R. 3199) directing the National Academy of Sciences to conduct a scientific assessment on how gasoline blended with 15 to 20 percent ethanol (E15 and E20) may impact gasoline-powered engines, vehicles and related equipment. The analysis would consider a variety of issues including tailpipe and evaporative emissions, impact on OBD systems, materials compatibility and fuel efficiency. The National Academy of Sciences would have 18 months to conduct its analysis. HR 3199 will now be considered by the full House of Representatives.
* H.R. 3199 acknowledges that E15 causes corrosion with incompatible parts. Ethanol increases water formation which can then create formic acid and corrode metals, plastics and rubber. The EPA allows use of E15 in 2001 and newer vehicles, but agreed to make it “illegal to fuel pre-2001 vehicles” with E15. A required warning label on the gasoline pump will not protect consumers from accidentally misfueling these vehicles/engines.
* H.R. 3199 recognizes that E15 is not yet in the marketplace. It is still the subject of several lawsuits and Congress could enact legislation to block the sale.
* H.R. 3199 prevents the EPA from permitting the sale of E15 before the report has been submitted to the House Science Committee.
* H.R. 3199 potentially protects millions of vehicles and engines that can be harmed from E15. The EPA was premature in permitting the sale since it is still unclear how E15 impacts tailpipe and evaporative emissions, OBD systems, materials compatibility and fuel efficiency.
If you'd like to show support for this bill, please let your elected officials know. You can find your reps here: http://semasan.com/lookup.asp?g=semaga
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