Non ethanol gas octane ratings

I only purchase non ethanol gas.
I run non ethanol gas in my
Truck
Tractors
Lawn mower
Utv
Chainsaw
Weedeater
I will not purchase anything except non ethanol gas. I usually run 87 octane in every thing.

Someone told me in antique tractors i should run non ethanol gas 93 octane.


Does the octane ratings really make much difference?
Is 93 going help in anyway?

Thanks
 
The octane rating of gasoline is there to advise you of its anti-knock properties, important in high compression engines. Most older tractors are not high compression so the higher octane rating does nothing for them.
 
Higher octane will hurt because it has less energy and therefore less hp as well as being unnecessary.
 
In the owners manuals for a couple of my antique tractors is says to run a least a 67 octane. I'm sure you won't have problems with 87 octane. Most of mine have never seen gas with ethanol and I always use ethanol free 87 octane. I see no reason to run 93 octane unless you can,t find ethanol free gas in regular. Most 93 octane gas doesn't have ethanol.
 
I would be very dubious of any so-called "non-ethanol" gas other than what is labeled "REC-90". REC-90 has a 90 octane anti-knock index. Anything else, be it 87 octane, 93 or anything in between probably has ethanol in it. Whether or not E10 fuel of any octane will harm your tractor is debatable, but it's up to you whether you want to spend extra for ethanol-free gasoline.

Unless your tractor has been modified with high-compression pistons, it doesn't need high-octane fuel. Buying gasoline with a higher octane rating than needed to prevent detonation is a waste of money.
 
I'll second what RM-MN said. If an engine doesn't knock when burning regular fuel then using a higher octane "premium" fuel will do nothing other than cost you more money. Fuel companies have done a good job of promoting higher octane fuel as "better" and "higher performance" but unless an engine is specifically designed to take advantage of its increased anti-knock properties the extra expense is wasted. The octane rating is simply a measure of the fuel's resistance to detonation, nothing more and nothing less. The desired detonation resistance can be achieved in a variety of ways and when looking only at this property it doesn't matter how it is done.

If in doubt you can look at the Nebraska tractor test reports to see what fuel was run during the official testing of any particular tractor. For example, my 1956 Farmall 350 was run with 82 ASTM, 88 Research which would equate to a rating of 85 using the (R+M)/2 rating method that is used today. The report for my 1948 Deere M lists the octane rating as 74 but it isn't specified number that is - maybe back then there was only one rating. At any rate, it is extremely low compared to today's fuel. Neither of these tractors have any knocking when using the cheapest 87 octane available so running premium would do nothing for me at all.
 
Most 93 octane gas doesn't have ethanol.



I would be very surprised to find out that was true.
Especially since they only make 84 and 91 octane gasoline that I know of.
To get 93 octane gas they blend 91 gas with ethanol.
The 87 ethanol free gas is a mixture of 84 and 91.
 
In my old memory, I seem to remember someplace an old Farmall brochure / manual that says to use gas with octane rating of 73 or higher, and don't store it in an open container. I assume that was telling old farmers to not store gas in a washtub out behind the barn, and use actual gas not fuel oil.
 
I buy whatever gas my supplier says is least expensive.
That's been ethanol gas for years now.
It gets used in everything-
motor vehicles
farm trucks
tractors
and all the little engines-
mower, tiller, utv, pumps, saws, trimmers, etc
I have found no reason to do otherwise.
 
93 octane gas has a longer shelve life. if you don't use something very often or it sits all winter, buying better gas is an insurance policy that the gas won't go bad!
 
My old 1946 Massey Harris 101 SR pulled my sawmill for years and did some disking.
226 Continental flathead.
The original manual that came with it said use at least 70 octane gas.
Ran great and was very strong. Wish I had kept it.
It left here and headed up to the mountains to drag logs out of the woods.
Richard in NW SC
 
I don't know where you find non ethanol gas except the airport or race track, and I'm not paying their price!

Ethanol has it's advantages and disadvantages.

Advantage, the ethanol keeps water from collecting in the tank and rusting it, also keeps water from pooling and freezing, sends it right on through the engine. Ethanol works along with octane, burns cooler so lower octane works well with higher compression engines. Ethanol works very well with fuel injection and sealed systems.

Disadvantage, older neoprene fuel components are attacked by ethanol. Fuel pump diaphragms, non ethanol resistant hoses, carburetor diaphragms and other rubber components don't like it. They degrade, flake, and leak. Open systems, vented tanks, carburetors, engines that get seasonal use or stored are prone to fuel evaporation, which leaves sticky residue behind from the ethanol. It will slog jets, stick floats, stick needle valves, generally cause a mess in the fuel system.

As for high octane having any advantage, it should only be used where needed. It is only needed in high compression engines. Very few engines fall into that category. Some of the old muscle cars, some newer performance cars, some 2 cycle chainsaws. The owners manual is the best source for fuel requirements. Everything else will run just fine on low octane pump gas. Fuel quality and consistency has come a long way since the early days of gas engines. Some older equipment warns of using the proper octane fuel as the mfg had no control over where the equipment might end up, a foreign land where good fuel was unavailable, or someone attempting to run on "drip gas" or whatever was available or might save a dollar.

Running high octane in a low compression engine is not only a waste of money, it actually reduces the BTU value of the fuel, as octane displaces the otherwise usable fuel. It also contributes to carbon build up and crankcase deposits over the long run.
 
Why on earth would you buy 91 octane gas for something that was designed to run on gas as low as 70? What a waste of money! Are you sure the gas your buying is ethanol free? It's not supposed to be readily available. There is a simple test to check for ethanol, google it and try it, you might be surprised!
 
Lots of stations here sell non ethanol gas.
I know folks that use it all the time.
My wife's old 1998 Jeep Grand Cherokee, with the inline 6, we got rid of 2 years ago would not run right on ethanol gas.
It would skip and not have much power.
Non ethanol worked great in it.
Richard in NW SC
 
Why do you say that about not being available? Big Rockingham Coop fuel station over at Harrisonburg VA has a row of ethanol contaminated gasoline and a row of non ethanol contaminated
gasoline pull up to whichever you want and buy as much as you want 24/7.
 
High octane gas (93) is only needed in higher compression engines, possibly higher than 10 to 1. Most older tractor engines have compression ratios lower than 10 to 1 , some older engines are much lower than that. Generally the older the engine then the lower its compression ratio.
 
There is a www national index of stations across the country that sell non ethanol gasoline in 87 and 91 octanes. It's Non-ethanol.com or something like that. I use it in my boat as it has a 26 gallon tank and I only use 5ish gallons when I go out and in the winter that gets to be seldom. I don't have to worry about water problems and rubber deterioration in the engine's fuel system from the effects of alcohol. Also use it in chain saws and weed eaters that sit for long periods of non use.

On the comments about premium being a better fuel, Shell for one advertises it's premium to be more than just an octane boosted fuel.
 
I run ethanol 90-10 blend 87 octane gas in my 101 Massey pulling tractor.....It starts great and pulls great...93 octane would be a waste of money and is only needed on higher compression engines..
 
I am not aware of any non ethanol 87 octane available in MN, I saw a pump once that kind of implied that but when I bought some and took it home and tested it there was ethanol. Ethanol is added to reduce pollution , and it's a law, and I like clean air!
 
You really think adding 10% ethanol is going to make any difference on air quality considering how much fuel is burned to get that 10% added in? At best its a wash but I'd bet overall it hurts air quality.
 
John that is exactly what I have been told, ever thing here runs well on 87 e 10 fuel . I have never understood the opposition to the ethanol in fuel.
 
I trust the scientists more than you, I guess. And don't forget the by-product, distillers grain. And, without the ethanol industry, there would be a lot less corn farmers, and what would we do with the off quality corn?
 
There's about TWO comments I agree with here. To those that say E-10 ethanol gas is great, well, you just haven't had it and the moisture it attracts bite you yet. Dad was kinda lax on how he treated gas. He left the caps off gas cans, cheapest 87 E-10, His Farmall M with the M&W Add Power pistons would burn it, actually ran fairly well with it. Now, one day we spent ALL DAY building a pile of trash to burn. I grabbed Dad's 5 gal can of gas dumped plenty on the pile, flicked my Bic lighter and I absolutely could not get that gas to burn. Grabbed my gas can with Kwik-Trip 91 octane recreational gas, splashed a little on the pile and flicked my Bic and WHHOOOSH! We had a bonfire!

Wife uses E-10 87 octane in her Ford Edge with 2.0L EcoBoost. New cars with high energy ignition, electronic fuel injection, knock sensors, etc etc etc is what that gas is made for. I run Kwik-Trip 91 octane no ethanol gas in my lawn mowers, Farmall's I push snow with, all my chain saws, leaf blowers, string trimmers. Sounds like Kwik-Trip should be familiar with you guys in Wisconsin and Minnesota, and it's Kwik-Star to you in Iowa. I only buy 5-10 gallons of gas at a time. I may not run the M for a year or more at a time. The Super H has to run in winter to push snow. I mark the gallon can I mix 2-stroke pre-mix gas/oil in with the day I mix it. After a month I won't use it, I dump it in the M.
 
The best thing would be for a huge reduction in corn acreage grown that would really reduce pollution of all kinds and would give some much needed
relief to the US Taxpayers in general.Hogs can eat corn of any quality BTW.
 
jm. I think the issue is the way they get the rated octane number. It seems like locally here, they use low grade gas and blend it with ethanol to boost the octane number. The end result is a gas that does not have a very good shelf life. The ethanol gets the blame for a crappy blend.

There are too many guys on here that say they have no trouble with ethanol blended gas. I believe them. I think they are in areas with a better blend. Now also believe me when I tell you that the ethanol blended fuels here in North-East Iowa cause trouble in just about any fuel system that is not fuel injected in a engine with higher compression then most small/old engines.
 
ethanol been used here in every tractor ,small engine etc etc, mailroute jeep never had issue, also went out in every new lawn mower engine and new mower sold in my business. still being used in 1977 briggs tiller engine ion snapper unit. as far as fuel issue in my business side of small engines we had more trouble with additives, diesel fuel or kerosene and even roundup put in small engines. da some people just should not OWN ANYTHING THAT HAS A MOTOR OF ANY KIND. if you were not suppose to use ethanol than why is it in owners manual on every small engine produced out there that it can be used.
 
I think what's best is what works for you.

Back in the day, I owned a Fiat sports car that required premium gas. If you put non-ethanol regular in it, it let you know in no uncertain terms that it was not happy.

When premium began to get scarce, I tried E10 ethanol in it, and it ran just as good as on premium.

Just sayin'.
 
Just a few of my own opinions/observations.

93 or 91 or whatever is NOT "better" gasoline. It is the same stuff with additives to boost the octane or just refined to a different level. Nothing fancy or better. Just gasoline.

Of all of the stories of "never had a problem," I have seen enough problems with ethanol to know that there is a potential for problems. While most times, there are no problems, there are also times when there ARE problems. One fellow brought me 3 mowers that he could not get running. He had put E10 in each one. They were all gunked up with some gray sticky material that was nearly impossible to remove. The only thing different about them was the first use of E10. Coincidence?

Octane is a measure of a fuel's characteristics in regard to Reid vapor pressure and rate of combustion. Most engines will run best on the fuel that they were designed to burn. But, of course, every shade tree mechanic knows better than the folks that built the engine. Right?
 
Ah no the highest compression ratio that that you should run on 93 is 9 to 1 and limit your total advance timing . You want to run a 10to 1 then ya had best be looking at 105 or better . Gas of today is NOT the gas of yesterday . Most of you just can't get it with this gas thing . so lets go back to prehistoric day of old . Back in 1963 i became a truck driver as part of my job and i started driving a 1957 B model Mack that was GAS powered as many of the trucks of the day were gas powered . This Mack only pulled a Rodgers 50 ton lowboy and only hauled the light stuff under 100000 lbs , all the old truck stops had the gas and diesel of the day and the gas at the truck pumps was 105 octane , The pumps for the cars ya had three grades ya had the really cheap stuff that could be 91-93 the regular at 95 and the stuff ya ran in your four BBl.high compression lets go fast ride and it was 105 OR BETTER . You look back at the ORG owners manual for the new tractors of the day and the octane rating needed for that tractor was already going up in 1957-8 with the onset of the 460-560 that minimum for them was 89 , then the next big jump came with the 706-806 and that one carried on thru till they stopped making the gas tractors around 1975 . and those needed 93 or better as they were considered HIGH COMPRESSION HIGH RPM Industrial engines of the day. Ford back in 1968-71 offered and engine in there full sized galexys in 390 Cu. in that you could order in in three ways , one was a 390 reg . fuel two bbl. engine that sported a 9to 1 a 2 Bbl.premium in 9.5 to 1 and the Four Bbl. in a 10 to one and 320 Hp. . Then in the Toreneno (sp) line you could get the 390 Hp in a 10'5 to 1 at 325 . . The problems we had back then as i was now working as a mechanic for a large ford dealership and running the drag car program and was the Drag club performance adviser we started getting LOTS of complaints of engine knock on the 390 2 Bbl. from people as they were running reg gas in the premium fuel 2Bbl. engines and depending on who's gas they were burning depened on the level of engine knock . We had a hard time tryen to get people to put the correct gas in them and all ya had to do was open the hood and on top of the air cleaner it told you what 390 you had as if you had a reg fuel 390 it said so as in 390 @ Bbl. regular fuel or 390 2Bbl, Premium fuel or 390 4Bbl, premium fuel . Same as the semi gas burners they ran the high test . We could still get good gas into the mid 80's and it started going down hill and the problems with gas tractors and gas powered trucks started , started seeing a lot of carb issues with the Holley's , started seeing a working gas tractor start tryen to die loose power and just seeze up and let cool down restart and sometimes they ran fine till ya worked them hard again and they would do it again , sometimes after they did this they started to have a mid range knock and started usen oil as now the on farm gas was no longer 93- to 95 octane but now we are down to 89 and sinking fast . Myself i could no longer build my barn yard pick up engines and use the good stuff from 1970 as we no longer had the gas to support that engine . Our 93 straight gas went Bye Bye four years ago and with it went the 706 gassers as the two we still had working both ate pistons on the fresh load of gas , and both tractors were just mowing hay .
 
I read a logical explanation on here once for why folks blame the ethanol. On any older fuel system that has used non ethanol gas there is some buildup of varnish, but it just stays there and doesn't cause any problems. But, if you put ethanol gas in it it will loosen the varnish and it will become the hated sludge that folks talk about! That's the best theory I've heard and I'm sticking to it! Myself, I use E-10 in all 4 stroke engines we have and have no problems!
 
No!

Your old tractors were designed to run low compression old dirt gasoline back in the day, they were fine with low octane and not the best fuel. There would be no point in running a high octane fuel. They probable started life on a gas lower than 86 octane and were built with that in mind.

Most recent engines are designed to run about 85-88 octane fuel.

Some fancy cars want a higher octane, they run higher compressions. Look in your book.

Running a higher octane then needed doesn?t help anything, probably doesn?t hurt anything but your pocket book, maybe wouldn?t want to get too high an octane for what the machine is, it will compress and detonate differently than what the old engine was expecting.

Paul
 
(quoted from post at 06:33:31 10/14/19) I buy whatever gas my supplier says is least expensive.
That's been ethanol gas for years now.
It gets used in everything-
motor vehicles
farm trucks
tractors
and all the little engines-
mower, tiller, utv, pumps, saws, trimmers, etc
I have found no reason to do otherwise.
I agree with Bob.
 
(quoted from post at 09:39:39 10/14/19) John that is exactly what I have been told, ever thing here runs well on 87 e 10 fuel . I have never understood the opposition to the ethanol in fuel.
hat is only because YOU have not seen the troubles that I have seen!
 
(quoted from post at 08:13:55 10/14/19) Ah no the highest compression ratio that that you should run on 93 is 9 to 1 and limit your total advance timing . You want to run a 10to 1 then ya had best be looking at 105 or better ...........

Total and absolute BS. Lots of modern engines at over 12 to 1 compression run fine on 93 octane. My toy car runs 9 to 1 compression plus 26 PSI manifold pressure on 93 octane.

Maybe some old big block with bad combustion chamber design had to be low like you say but with modern designs it is not the case.
 
I?ll take that bet, you?re gonna regret...... :)

You can use the fuel you want to I have no problem with that, and we all can have opinions on stuff I understand that.

Science has shown over and over and over that corn ethanol in the USA produces more energy than it consumes, from planting the corn seed to putting the nozzle in your fuel tank.

Please become educated and stop spreading propaganda on the facts.

If you wish to not use the product that is your right and most certainly up to you. Not the issue here.

You are wrong on your bet. Since the 2006 studies presented, ethanol production and corn growing has increased efficiency even more, so the wikipeadia link is outdated, but it is perhaps a more neutral source than anything else I find that is easliy understood.

It?s unfortunate that cellulose ethanol has not lived up to its promise in the real world. Many of the projections were based on expected fermenting improvements which have not happened; and the logistics of handling such large volumes of raw material are more inefficient than the early studies planned for.

Paul
Untitled URL Link
 
I have also come to the conclusion that it has to be a regional think because too many of you guys do have trouble, as you say may be two things the way they blend it and what the real gas was BEFORE they started the blend.
 
I can find a "study" to prove about anything I want to prove and if I can't find one I can pay some Pin Head a couple Million at a University somewhere to make one up for me.
Ethanol is a dead loser if it was a good idea the gov't wouldn't have to force people to use it.
 
Airport in Hanover Co., Va. used to sell a ton of non-ethanol 100LL Aviation gas. A friend of mine runs a motorcycle training school, and he used it in his bikes. Recently, they began requiring proof of airplane ownership, or no gas. Now he drives 35 miles to pick up a tank od non ethanol premium highway fuel. With the ethanol, he was rebuilding carbs if a bike sat for 30 days, until he found a source of Chinese carbs so cheap, they just replaced them, and threw the bad ones in the scrap!
 
Agreed. Most engines on the road today are 9.5:1 and a lot of them are 10:1 or better. The typical Ford F150 with a 5.0 Coyote engine (since 2011) is 10.5:1. Ford offers a crate engine 5.0 that is designated "low compression" at 9.5:1 to allow for a super charger. Most of their non turbo V6 engines are 10:1
 
The 1930s tractors ran on kerosene or if on gasoline it was about 60 octane. In the 1960s in NZ aviation fuel was 73 octane for the De Havilland Tiger Moth, post war Austers etc. when fitted with DH Gipsy Major engines (compression ratio 5.3:1), and the later Piper Super Cubs with Lycoming engines used 87 octane though the Canterbury Aero Club also had a 73 octane pump for the older aircraft.
 
Now that you mention it, I believe you are correct about the county restriction. The largest counties population wise with the worst air are restricted from having real gas for sale. All us country bumpkins can buy it.
 
I have to ask what was in the container that fuel was hauled in before that fuel was put in it? That is where you should have looked for the problem and not the fuel.
 
Every one of them here in Ohio have a sticker on the pump saying it may contain up to 10% ethanol, not that it has that much but it must contain some even if it is ,001% that would make it legal.
 
I have had ethanol gas get 6 months old and a car would not run on it.not even start. I disconnected fuel line and jumped fuel pump relay and pumped all the old gas out and put new gas in and pumped until it came out fuel line. Connected fuel line and started right up. Seen this more than once, must have absorbed water. One time it was a car with fuel injection that had sat for a few months.
 
The 87 octane would probably be high enough for an antique tractor but you certainly will not hurt it running higher octane. In my experience ethanol can cause some trouble with rubber parts and will cloud up with water if it gets old.
 
(quoted from post at 08:46:38 10/14/19) I got a question for you guys.

If ethanol is so great why is it they don?t use it in 101 octane avgas?????

Aviation fuel systems are very robust, but they are also filled with old-school materials. Fuel caps, bladders(tanks), lines(Alum), valves(brass/steel), gaskets, jets, and needles contain many rubber compounds, and things that don't play well with any kind of alcohols.

We use lead to raise octane levels. Avgas is the only leaded fuel left in the world. There's no way to use an ethanol laced fuel in planes. It would destroy the fuel system.

Most airports no longer sell fuel to the public for non-aviation use. It's actually against the law to use avgas in anything that is not used for aviation.

There are plenty of studies on both sides of the Ethanol debate. I generally ask 'who gains?' when studying an issue. In this case, the HR members of the corn producing states, along with ADM and Cargill are huge beneficiaries of the fed subsidies on Ethanol production. Untainted evidence is hard to come by. Most studies add, or subtract ancillary effects to make the numbers work right.

It's my opinion that the oxygenates which add to the fuel to make it burn cleaner are not sufficient to qualify for the massive cost subsidies in most modern cars built after about 1989. The second gen catalytic converters starting in the late 80s do little or nothing with the added oxygenate in Ethanol fuel. They were developed to burn off the HC and CO and catalyze it into the water vapor and CO2 which produces CO in small PPB no matter ethanol added or not.

I'm fine with adding ethanol to fuel if the customer wants it. I am not fine with the govt paying Cargill, and ADM trillions of dollars of tax for the possible, but not fully proven reduction in emissions(when the full calorimitry of production, distribution, distillation, delivery, blending, and monitoring is taken into account). There is also the 'lost market' principle that deals with what would replace the ethanol produced if the mandate went away. I don't care, and that is a question for an open market to decide, once the fed subsidies are gone. If ethanol fuel can stand on its own, then so be it. Mandating something and having a govt pay for a commodity like ethanol is bad govt.
 
(quoted from post at 10:10:32 10/14/19) I?ll take that bet, you?re gonna regret...... :)

You can use the fuel you want to I have no problem with that, and we all can have opinions on stuff I understand that.

Science has shown over and over and over that corn ethanol in the USA produces more energy than it consumes, from planting the corn seed to putting the nozzle in your fuel tank.

Please become educated and stop spreading propaganda on the facts.

If you wish to not use the product that is your right and most certainly up to you. Not the issue here.

You are wrong on your bet. Since the 2006 studies presented, ethanol production and corn growing has increased efficiency even more, so the wikipeadia link is outdated, but it is perhaps a more neutral source than anything else I find that is easliy understood.

It?s unfortunate that cellulose ethanol has not lived up to its promise in the real world. Many of the projections were based on expected fermenting improvements which have not happened; and the logistics of handling such large volumes of raw material are more inefficient than the early studies planned for.

Paul
Untitled URL Link

Paul? What science? I've read scientific studies that say just the opposite. I generally look for studies they were not financed by some corn growers association or seed company. Even some tree huggers are starting to say the ethanol doesn't reduce pollution at all.

Rick
 
(quoted from post at 06:14:24 10/14/19) I am not aware of any non ethanol 87 octane available in MN, I saw a pump once that kind of implied that but when I bought some and took it home and tested it there was ethanol. Ethanol is added to reduce pollution , and it's a law, and I like clean air!

You are correct. The US EPA has mandates as does the MN EPA. Can't go backwards but can be more restrictive. Thing is they have come close to overturning that in the state legislature. We may have access to ethanol free gas for road use in the next year or 2. All I can do is hope. Don't like being forced to buy a product I don't believe in.

Rick
 
(quoted from post at 15:54:38 10/14/19) Agreed. Most engines on the road today are 9.5:1 and a lot of them are 10:1 or better. The typical Ford F150 with a 5.0 Coyote engine (since 2011) is 10.5:1. Ford offers a crate engine 5.0 that is designated "low compression" at 9.5:1 to allow for a super charger. Most of their non turbo V6 engines are 10:1

For changed the F-150's 5.0 engine in 2018, it now has direct injection like a diesel and 12:1 compression, I have one!
Actually I believe it has dual port injection with inj in the intake and in the heads.
Several other changes to the engine as well, some good, some not so good, still runs on reg low octane gas.
 

Part of the premium gasoline only statement was to keep it simple on how to eliminate the use of ethanol in the machine .
Although for the little bitty dab of fuel used in yard equipment etc . If you can not afford premium fuel, you are in over your head .
Small aircooled two stroke engines need to be protected from detonation and premium fuel is a way to do it .
Many ruined small engines are diagnosed as not enough lube oil when the failure cause was detonation .
In fact adding extra lube oil lowers the octane and make the engine more prone to detonation .
 
"Avgas is the only leaded fuel left in the world"

Well not really.
I can go into town and buy 112 octane Leaded race gasoline straight from a Sunoco branded 1970 something ex gas staion pump.
 
(quoted from post at 20:48:15 10/16/19) "Avgas is the only leaded fuel left in the world"

Well not really.
I can go into town and buy 112 octane Leaded race gasoline straight from a Sunoco branded 1970 something ex gas staion pump.
ummmmm....a lot of folks "know" more than they do. Kind of like today's "news", more opinion than anything else.
:(
 

We have 87 octane non ethanol gas here, not available at any service station pump, only at the bulk supplier.
I have a 150 gallon farm gas tank they will fill, use it in our lawn mower's and atv's, cost $.20 per gallon more than 10% ethanol gas at the pumps.
Would use it in a gas tractor but don't own one.
 

A lot of people seem to be forgetting that it is Direct Injection that is making the high compression ratio gasser possible on pump gas .
If h I l l a r y had won and Tier V emissions enacted . There would have been a lot of small equipment built with industrialized DI gas engines .
 

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