Once engine problems are ruled out consider pumping in the higher octane fuel. Jrharvey02 Dec 15 2019.
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Generally speaking pumping in premium or even mid-grade gas when your vehicle calls for regular will not improve your fuel mileage or engine performance but it will reduce the level of your available cash.
Is higher octane gas better for towing. In fact premium gas can be bad for your engine if it was not designed to run at a high-octane level. 89-90 Octane Gasoline with this octane number is good for engines with compression ratios of 91 to 101. Exactly what he said.
Octane rating is the amount of compression that the fuel can withstand before igniting. The difference between 9 and 11 MPG doesnt seem like a lot but its about 20 better. One state may require a minimum octane rating of 92 for all premium gasoline while another may allow 90 octane to be called premium.
Enough so we always used it on real hot days or mountain driving. Yes higher octane gets you better mpg but not anywhere near 50 better as your hypothesis suggests. 2010 Tundra CM 57 Platinum Dark Black.
It wont hurt your engine and if knocking vanishes then you may find using higher octane fuel when towing helpful. To make sure you know what. Premium versus regular grade gasoline while towing Posted.
Typically the octane rating has to do with preventing engine knocking or rattling from happening. As gas prices go up as everything does we all want more KNOCK for our money. Higher octane allows the engine ECU to advance ignition timing more for more power and performance.
The knock sensors are so you can run lower octane fuel. You may think that buying the higher-octane or premium gas. Without having to advance or retard the timing.
Actually the more the load the more that higher octane pays for itself. For most vehicles higher octane fuel may improve performance and gas mileage and reduce carbon dioxide CO2 emissions by a few percent during severe duty operation such as towing a trailer or carrying heavy loads especially in hot weather. The knock sensors will retard timing if they sense preignition.
However under normal driving conditions you may get little to no benefit. The short answer to this question is no. Ford has been honest enough to make those claims while towing better than any other truck on the planetMaybe the only honest truck manufacturer.
E85 is a good choice as well because of its high octane. Much more to do with terrain elevation wind etc. If it senses preignition on 87 octane or any fuel actually it will pull back timing to stop the preignition.
Secondly if we assume the engine is operating as intended in good tune and not overheating no higher octane fuel will not impact available power in a normally-aspirated engine such as your Honda V6. Use High Octane For those who are unaware the 27 Ecoboost requires 87 octane fuel but the owners manual suggests premium fuel for severe duty usage such as trailer towing. Octane is a number assigned to the fuels resistance to detonation IE the higher the octane the more resistant to detonation.
It may have an iota more power and possibly a hair better gas mileage when you fill it with 93. But now these cars and trucks have knock sensors that retards the timing when it pings so it does ruin the engine. Would higher Octane gas help when towing 5k lbs.
However expect much lower mileage with E85 as it has less energy than straight gasoline. A high-octane fuel will ignite at a higher pressure. All things the same A gasoline engine that is not designed for higher octane fuel higher octane fuels contain less BTUs.
As we highlighted before command octane rating doesnt improve your engines performance. For most vehicles higher octane fuel may improve performance and gas mileage and reduce carbon dioxide CO 2 emissions by a few percent during severe duty operation such as towing a trailer or carrying heavy loads especially in hot weather. Based on this information our trucks will run optimally with 89-93 Octane fuel.
If youre dealing with an older or high mile rig its possible you have a build up of carbon in your cylinders causing the problem. But because I use regular gas I should have it done. There is a very common myth that the higher-octane level the higher the fuel quality.
Premium fuel is always better when doing heavy towing. On the other hand if you consistently have knocking issues while towing you may want to consider pumping in a higher-octane fuel. Although it may seem that the term preminum or high octane implies that more energy is available premium gas does not produce more energy.
My truck is set up to handle it but I guess I started over thinking it and the interwebs have not helped This weekend I have a 200 mile round trip with 3 different passes that start at about 400-500ft and peak out around 2k feet. 19 Sep 2009 at 619am. It wold give me better gas mileage more power too.
Higer octain gas can stop ping. Retarding the timing recuces the power and the gas mileage. Because it depends on whether your owners manual says Requires 93 octane or 93 octane recommended If your manufacturer recommends 93 octane that means the car is designed to perform optimally on 93 octane fuel.
I can say that 89 pays for itself over 87 in unloaded mixed driving and when towing heavy 5000 lb boattrailer. Quote Reply Topic. It was like driving on high octane gasoline.
The misnomer about octane is that the higher the rating the better or more smoothly your car will run. What you may not know is what high-octane fuel is or how it affects your vehicle. I also used to routinely use premium 91.
The stock Hemis are tuned for the recommended 89 octane but 87 is ok per owners manual. 93 Octane Gasoline with this octane number is advisable for car engines with compression ratios of 101 to 111. You can get the best performance from your 35L EcoBoost by using the premium higher octane fuel.
Rica25 and TTund16 like this. Strictly speaking no higher octane fuel will not increase power while towing compared to regular octane levels. With a previous TV we found using a higher octane towing on REALLY HOT DAYS or when towing in lots of mountains we got slightly improved mileage and better performance.
Unless you hear your cars engine knocking there is no need to put a higher-octane gas in your tank. Higher octane burns cooler and produces less heat aka power than lower octane fuel. Octanes are hydrocarbons a chemical structure made up of hydrogen and carbon with a specific structure.
The advantage of higher octane is the ability to use higher static compression more boost and more timing. In other words an engine with greater compression will run better using a higher octane rating. Doubt it was coincidence as it was observed frequently over about 100000 miles of towing.
Most engines now a days are rinning high compression ratios that used to requirte premium fuel if not the engine would detonate-ping and ruin the engine.
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