WebSep 9, 2024 · Phase I was applicable to calendar years 1989 through 1991. Depending on the state and month, gasoline RVP was not to exceed 10.5 pounds per square inch … WebJul 23, 2024 · In an article by USA Today , General Motors fuel specialist Bill Studzinski said, “We do not endorse the use of 85 octane or lower”. The Federal Lands Transportation Institute also said in a document that, … class 2 insurance ireland WebMay 10, 2024 · Altitude reduces need for octane in fuel. At higher altitudes, you can get by with lower octane gasoline. Dreamstime/TNS. Q: I want to ask a follow-up question regarding a recent column. I always use regular gas, except when I’m driving out West in high altitudes. If I’m driving through the mountains, I use premium for better performance. WebThe high altitude has less O2 and the engine will make less compression, the air pressure is lower so... 85 octane at high altitude runs the approximate equivalent of 87 at sea level. So if you have 86 it’s more like 88 already. If you come down towards sea level though you may want to put in some octane booster or fill up with the 88 ... e30 mtech 2 rear bumper WebJan 21, 2024 · I have a 2013 Volt with 70K miles on it, most of which have been on the plug. I live in Denver, the "Mile High City" and often go into the mountains with it. The Gen 1 requires 91 octane gas but at higher altitudes, the air is thinner so you can actually get by with a lower octane gasoline with most engines. WebDec 2, 2012 · In short, it says the engine is designed to operate on 87 AKI fuel, and that Ford "does not recommend" using lower octane "regular" gas with octane ratings of 86 … class 2 insulated gloves WebPremium gas must be at least 93 octane if it contains 10% or more of ethanol Maryland: 87 89 93 Massachusetts: 87 89 93 Michigan: 87 89 93 85 and 86 octane may be sold if …

WebJan 4, 2024 · 85 octane or 87 octane gas? In Colorado, there's a reason why there are two different options at the pump. ... dioxide and carbon monoxide emissions between 85 … WebHigh altitude affects the combustion of fuel in the internal combustion engine (ICE) through the ... For example, an 85 octane fuel in Salt Lake City, UT (elevation 4,200 feet) will ... e30 m tech 2 front bumper WebDec 22, 2024 · For moderate changes to altitude, changing fuel pressure with a regulator can change float levels to some extent. That can change the amount of fuel to the engine – more fuel pressure for lower altitude and … WebAccording to Bill Studzinski of General Motors, low-octane fuel with ratings of 85 or 86, as opposed to the 87 for standard gasoline, is widely available throughout the Rocky Mountain states. The custom dates back to the era of carbureted engines, when using lower octane fuel allowed for more comfortable driving at altitude. e30 mtech 2 rear bumper install WebAug 23, 2024 · 2024 Lariat Tremor 7.3 carbonized gray. I have the 7.3L and live at altitude 5800 ft. most if not all of our regular unleaded gas is 86 octane here. The manual clearly states even at altitude to run 87 or higher. I only run top tier fuel (mainly Costco) in my … WebJan 23, 2003 · 91 is fine. Your car is probably optimized from the factory for 91 octane. Higher octanes have improved detonation resistance, which does NOT mean they automatically make more power. That ... e30 m tech 2 spoilers WebMay 17, 2024 · 61 Posts. #6 · Oct 20, 2024. "Your vehicle is designed to operate on. regular unleaded gasoline with a minimum. pump (R+M)/2 octane rating of 87. Some fuel …

WebMay 20, 2016 · Discussion Starter · #4 · May 18, 2016. johnjohn15 said: 85 octane is for high altitude location. 87 octane is for the low or sea level altitude. Well, where do you … class 2 injection well WebAug 23, 2024 · Car Guides Auto Q&A: Higher altitude calls for lower octane Nearly all cars can run on a lower octane at high elevations. The lower octane fuel (usually regular grade) is usually 100 percent ... class 2 islam book pdf