It is possible to give a car too much of a good thing and add too much fuel injector cleaner. Does this stuff freeze? If the EPA approves the product for bulk sale by gasoline stations, the cost could come down to less the 1 cent per gallon. Newsom, Musk dedicate former HP headquarters in Palo Alto to Tesla engineers, Adam Levine sues classic car dealer, alleging his 1971 Maserati isnt the real deal, Californians driving bigger cars could be charged more in vehicle registration fees. Is STA-BIL safe for 2-cycle engines? If you think 2 or 4 ounces per gallon are high dosages, consider . This item arrived on time and exactly as advertised. For converting treat rate to PPM (parts per million), "Classic" TDR (Premium Diesel Fuel Additives), "Classic" TDR-FL PREMIUM SUMMER DIESEL FUEL ADDITIVE, "Classic" TDR-WDA PREMIUM WINTER DIESEL ADDITIVE, TDR-S "PLUS" PREMIUM SUMMER DIESEL FUEL ADDITIVE, TDR-WDA "PLUS" PREMIUM WINTER DIESEL ADDITIVE, STABILIZER FSP-55 (DISTILLATE FUEL STABILIZER), MFOA-55/HD (HEAVY DUTY MARINE FUEL OIL ADDITIVE), IVD - Intake Valve Deposit Cleaner (for Gasoline), How to "Spec" Premium Diesel Fuel Additives - Part 1, How to "Spec" Premium Diesel Fuel Additives - Part 2, How to "Spec" Premium Diesel Fuel Additives - Part 3, How to "Spec" Premium Diesel Fuel Additives - Part 4, How to "Spec" Premium Diesel Fuel Additives - Part 5, The Making Of Premium Diesel Fuel - Supplemental. Both metals form a thin layer over the valve seat, which reduces wear. These chemicals target fuel injector deposits. When the fuel burned in the cylinder it created a lead oxide (powder) and as the exhaust was pushed out of the cylinder the oxide coated the exhaust valve and seat which provided the barrier cushion that protected them. This was to comply with the Euro 1 emission standards which mandated that all new cars to be fitted with a catalytic converter. And this was typically caused by the lack of lead in fuel. Also, you may notice that there is lowered engine performance and fuel efficiency. been using this product for 2 years now in Lycoming IO360 with excellent results. This has an advanced deposit removal ingredient which will remove existing deposits. We package M1 in lined drums. In case you are using a 32-ounce bottle with 5 gallons of fuel, expect 105 octane performance . Posted by; Date June 23, 2022; Comments . I never had experience hard start, no lead fouling spark plug, and engine run smooth as theyre supposed to be. Check Latest Price. Southwest - Chandler, AZ I heard about this from engineering friends at General Atomics who used it on their drones with great success. How To Use Lead Additive For Your Classic Car. Per the EPA, E15 is compatible with passenger vehicles that are model year 2001 and newer. [127], Except where otherwise noted, data are given for materials in their. They are an astute group of owners whose opinions I value. The last leaded fuel has finally disappeared from gas stations. Time to do some simple math and divide the 1 gallon treat volume by 128 ounces, thus: Example 1A: IF, an additive 'treat rate' is 1 to 7,500 (1:7500) dividing 7500 gallons of fuel by 128 ounces of additive nets a sum of 58.59 One gallon of fuel is 128 ounces. Packaging #10725 - 2 Ounce (Case of 18) - 3.6 lbs #10930 - 5.25 Ounce (Case of 24) - 10 lbs #10026 - 15 Ounce (Case of 12) - 12.5 lbs; Documentation This was not the case in classic cars, and the valve seats were prone to recession. For STA-BIL 360 Protection, for storage and everyday ethanol treatment use one ounce (30mL) to 5 gallons (19 L) of gasoline, gas/oil mixtures, or ethanol blends. Yes, Decalin Runup is compatible with auto gas. My name is Matt and I've been around cars all my life! [31], Since January 1993 all gasoline powered cars sold in the European Union and the United Kingdom have been required to use unleaded fuel. [10] Antiknock agents allow the use of higher compression ratios for greater efficiency[23] and peak power. Clean immediately if spills occur, as product can permanently stain painted surfaces. A very good octane booster concentrate is Torco Accelerator @ $21/qt. The final stocks of the product were used up in Algeria, which had continued to produce leaded gasoline until July 2021. [citation needed], Tetraethyllead is highly toxic, with as little as 6mL being enough to induce severe lead poisoning. According to the EPA, leaded road-use gasoline (Mogas) contained as much as 3 grams of lead per gallon in 1973 or around 0.8 grams per liter. Dry and liquid AMS replacement products are available, but when using them be sure to add them at a rate equal to 8.5 pounds to 17 pounds of AMS per 100 gallons of spray solution. [10], When TEL burns, it produces not only carbon dioxide and water, but also lead and lead(II) oxide:[16], Pb and PbO would quickly over-accumulate and foul an engine. Powershield uses sodium, a metal, as a substitute for lead, which is also a metal. It especially makes a huge difference in smoothing out low rpm idle. Gasoline is considered a petroleum distillate, as is kerosene. ***SOLD INDIVIDUALLY*** CD-2 Super Concentrated Lead Substitute 32oz 1 Quart Treats 320 Gallons. The Ethyl Corp challenged the EPA regulations in Federal court. It also removes water from the petrol tank and cleans carburettors and fuel injectors. Heres an update for owners of Ford Ranger trucks that have had problems with drive line clunking noises. Posted October 25, 2015. Posted on June 22, 2022 by June 22, 2022 by In tests by Lubrizol, sodium appears to behave in largely the same way as lead, according to Dr. Thomas Johnston, director of fuel additives at the company. It would have a very large impact, said Mielke, citing studies in Detroit and Flint, Michigan that have examined the role of air lead contamination on blood lead levels. 4.9 out of 5 stars . Aircraft Spruce assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. He realized that the lead contamination in the environment dated from about the time that TEL became widely used as a fuel additive in gasoline. The dosage of 1/2 ounce per ten gallons of fuel is a minimum. Ford has traced the noise to binding on the drive shaft spline. If you have an older car, lead additives might be the best option. The last country in the world to sell it: Algeria. Directions for Use Treats up to 20 gallons. Too Much of a Good Thing Can Be Bad. My forum members on the 150/152 club swear by it. Please see the tech data sheet in the 'Documents' tab for more information. The definition is outlined in the Protection of the Environment section of the Code of Federal Regulations. My 89 recommends to put lead additive in the gas. 1. [99] General Motors patented the use of TEL as an antiknock agent and used the name "Ethyl" that had been proposed by Kettering in its marketing materials, thereby avoiding the negative connotation of the word "lead". Stabil Marine has extra ability to neutralize the water that the ethanol attracts. Q: Hi this is a follow-up question in regards to the remaining lead that goes into the oil you had commented that it helps. If youre talking about.05 grams per gallon, thats one heck of a lot of lead when you pay attention to the number of gallons being consumed, said Mielke, an urban geochemistry and health expert who teaches in the department of pharmacology at Tulane Universitys School of Medicine. It could take up to a half year, however. But by the 1970s, the general opinion of the safety of TEL would change, and by 1976 the U.S. government would begin to require the phaseout of this product. [citation needed], In 1935 a licence to produce TEL was given to IG Farben, enabling the newly formed German Luftwaffe to use high-octane gasoline. For instance, you can get 91 octanes to 102 octanes by using a 32-ounce bottle with 10 gallons of gas. Toll Free: 877-477-7823 Although this is not an exact calculation, it demonstrates how gas prices change when crude oil prices change. Pour entire can into tank before fill-up. Although there is a carry-over effect, intermittent use of the additive may not provide the proper protection when you need it most. bottle treats up to 25 gallons Safe for any type of fuel system See more product details Frequently bought together Total price: Add all three to Cart Product does not contain alcohol. Compatibility with reduced octane was addressed by reducing compression, generally by installing thicker cylinder head gaskets and/or rebuilding the engine with compression-reducing pistons, although modern high-octane unleaded gasoline has eliminated the need to decrease compression ratios. Midwest - West Chicago, IL It contains an anti-wear additive, so if your vehicle was designed with valve seats, you could expect them to hold up nicely while driving. Powershield does not boost octane. Professor Howard Mielke of Tulane Universitys School of Medicine and one of the nations leading experts on lead soil contamination said that it would be incorrect to assume that a fraction of a gram is insignificant given the high traffic flow and congestion that occur in urban environments. By comparison, the .1 grams of lead in gasoline amounts to 34 parts per million. Per Vendor, Yes the Declain Runup is compatible with fuel resistant composite fuel tanks along with fuel resistant fiberglass cloth and epoxy resins and hardeners. Lead additive is also an excellent solution for classic cars because it is cheap and low cost. Landrigan. All of the emphasis is put on ingestion as if the only way exposure is taking place is hand to mouth, but if you pay attention to the details you discover that inhalation apparently was much more important in exposure than is being talked about., Maintained by Center for American Progress - Action Fund. Diesel Formula STA-BIL is recommended for use AT EVERY FILL UP for year round protection. This is unopened, and storage would not add to shelf life. Item qualifies for flat rate ground shipping. Since 1993, Formula One racing cars have been required to use fuel containing no more than 5mg/L of lead. 23 Juin juin 23, 2022. how much lead additive per gallon. When the container is new and full, I couldnt dispense the 1/2 OZ or 1 OZ quantity. Yes, Decalin RunUp will work just as well with fully synthetic oil in suspending the lead in the oil. Many of these products, including Sim-U-Lead, use as their active ingredient Powershield, which is made by the Lubrizol Corp. Such motors are usually run under heavier loads than car engines. Protects your engine under all driving . [30] In 1921, at the direction of DuPont Corporation, which manufactured TEL, it was found to be an effective antiknock agent by Thomas Midgley, working under Charles Kettering at General Motors Corporation Research. Children who play in areas with lead-contaminated soil run the risk of ingesting or inhaling the lead particles in the soil, particularly during the summer and fall or during hot, dry weather when dust picks up tiny particles of lead, suspending the substance in the air. The best you can hope for is that adding a stabilizer to old gas will stop any further degradation. Scavenges Lead in aviation fuel after combustion to prevent lead oxide buildup on valves but still allows the lead to perform the anti-knock function prior to combustion. [27], For mixing with raw gasoline, TEL was most commonly supplied in the form of "Ethyl Fluid", which consisted of TEL blended with 1,2-dichloroethane and 1,2-dibromoethane. Ways to apply higher cleaning concentrations: One way is to add Sea Foam Motor treatment when a fuel tank is low. Amazon eBay Walmart. Units Per Package. It is important to remember that there are 128 ounces in 1 gallon. Excellent product and performance at a great price from Aircraft Spruce.as usual. If the directions are followed, the cost amounts to more than 10 cents per gallon. The Impact of Childhood Lead Exposure on Crime", The World Has Finally Stopped Using Leaded Gasoline. My old Franklin cant use 100LL without it! Because your classic car still uses these old valve seats, you can use the lead additive to prevent recession and improve vehicle durability and performance. Sales Tax Rate (plus applicable district taxes) Sales Tax Rate Qualified Agricultural Use of Diesel (plus applicable district taxes) Prepayment of Sales Tax Rate (per gallon) Excise Tax Rate (per gallon) 10/2022-06/2023. The valve seats are another interesting thing about older classic cars and the modern-day ones we currently drive. . Great product. The package is designed to pour a small measured amount out. First, lead improved the way that gasoline burned. #10472 - 55 Gallon Drum - 440 lbs; Documentation. [109], In the U.S. in 1973, the United States Environmental Protection Agency issued regulations to reduce the lead content of leaded gasoline over a series of annual phases, which therefore came to be known as the "lead phasedown" program. It works very well when running 100LL. Make sure you remove and clean your oxygen sensor every 20 hours to remove these lead phosphate deposits when using Decalin RunUp. Q: If someone had failed to use Decalin with many hours of Avgas use in a Rotax 912, can using it for any or many hours afterwards, with unleaded fuel REMOVE to any degree the previous lead deposits on valves or other parts retroactively? II.C.2. East - Peachtree City, GA [citation needed], Improvements to gasoline itself decrease the need for antiknock additives. It had been established by 1921 that ethanol was an effective antiknock agent, but TEL was introduced instead mainly for commercial reasons. This product is available as a 1-gallon bottle with accessories, including a hand pump and two. Q: You mention in the dosage: This can be increased to a maximum of 2 ounces per gallon for problem engines. It does not vaporize or disappear. It does what it is supposed to do. For California Residents: WARNING: Cancer and Reproductive Harm However, I do have comment on the package design. How much Stabil do I need for 20 gallons? Might clean up on its own. Benzene and other high-octane aromatics can be also blended to raise the octane number, but they are disfavored today because of toxicity and carcinogenicity. Gas oxidizes and breaks down over time, creating sludge that can build up inside your snow blowers fuel tank, carburetor and fuel lines. Other countries also phased out TEL. U.S. Gov't, National Institute for Occupational Safety and Health. This product is made with jet fuel, a high-quality carrier of active ingredients. How to Use Sea Foam? Should you run your lawn mower out of gas for winter? Federal, state and local government taxes contribute to the retail price of gasoline. The catch here is that, like all treatments, the dosage is based on winter treated diesel. I never looked at the bottle in the winter. If so, what is the shelf life of unopened container kept in cool dry dark storage? The discovery that lead additives modified this behavior led to the widespread adoption of their use in the 1920s, and therefore more powerful, higher-compression engines. I increase the ratio to 2oz per 10 gal. Experts say it contributes to environmental contamination and harms children, particularly those living in traffic-congested urban areas. Last edited on 25 February 2023, at 03:36, Registration, Evaluation, Authorisation and Restriction of Chemicals, methylcyclopentadienyl manganese tricarbonyl, Learn how and when to remove this template message, United States Environmental Protection Agency, Department of Housing and Urban Development, National Institute for Occupational Safety and Health, "Tetra-Ethyl Lead as an Addition to Petrol", "LEAD EXPOSURE IN CHILDHOOD LINKED TO LOWER IQ, LOWER STATUS: Leaded gasoline creates a natural experiment in long-term study", "Phase-out of leaded petrol brings huge health and cost benefits", "It's official: You can't buy leaded gasoline for cars anywhere on Earth", "Ethyl-leaded gasoline: how a classic occupational disease became an international public health disaster", "The Rise and Fall of Tetraethyllead. [122] A statistically significant correlation has been found between the usage rate of leaded gasoline and violent crime: the violent crime curve virtually tracks the lead exposure curve with a 22-year time lag. This product will help your older vehicle run more efficiently to avoid the risks of using unleaded gasoline. This in turn increased vehicle performance and fuel economy. Each product is specially designed to address and prevent a unique set of problems. DO NOT OVERTREAT. Overdosing can lead to a whole new list of fuel and engine issues from clogged filters to overall decreased engine performance and efficiency. Lubrizol believes that its sodium formulation is safer. Similar bans in other countries have resulted in lowering levels of lead in people's bloodstreams. Posted by June 8, 2022 maine assistant attorney general salary on how much lead additive per gallon June 8, 2022 maine assistant attorney general salary on how much lead additive per gallon After TEL production at the Bayway Refinery was shut down, Deepwater was the only plant in the Western hemisphere producing TEL up to 1948, when it accounted for the bulk of the Dupont/Deepwater's production. This product will help your older vehicle run more efficiently to avoid the risks of using unleaded gasoline. octane relative to other fuel additives (i.e., ethanol and other alcohol-based additives), and . Our writers research, try, compare, and recommend only the best products. National Bureau of Economic Research. how much surfactant additive per gallon of water is required to be effective? Understanding old vehicles and the history of fuel is important when discussing lead additives because this means you know what products to look for. There are no negative effects to doing this. Reno Air Race 2021. Has worked very well. The Red Line 60202 lead additive is another high-quality lead substitute product built for classic cars. If your engine does not need a high-octane fuel, then a leaded gasoline can be used with a substitute. If you have to use 100LL, then this stuff is for you. Lucas Oil Fuel Stabilizer. It's a lot less than the 4 to 6 grams/gallon used in typical race gas mixes. But this is a relatively low-cost product, so using this recommended amount is a good benchmark. No messy syringes. During the 91 hours of operation I used 49.85 gallons of 100 LL fuel, all of which was treated with Decalin at the rate suggested on the product. Fax: 800-329-3020, West - Corona, CA Leaded petrol was supposed to be completely phased out continent-wide on 1 January 2006, following a ban initiated from the 2002 Earth Summit. It is a fuel additive, first being mixed with gasoline beginning in the 1920s as a patented octane rating booster that allowed engine compression to be raised substantially. However, you cannot buy actual lead directly because of the health risks. Kerosene also has a lower cetane rating than diesel. How it helps: . Can fuel stabilizer be added to old gas? The EPA has ordered that leaded gasoline sold after Jan. 1, 1988, contain no more than 0.1 gram of lead per gallon. bp Regular E15 delivers the same cleanliness benefits as bp regular E10 fuels and boasts an octane rating of 88. It calls for 1 oz per 5 gallons above 0*, and 2 oz per 5 gallons below 0*. Q: I have been using Ethanol Free Unleaded autogas in my O-200 engine, but when away from home the Unleaded is hard to find. There are about half a million young children in the United States with blood lead levels above five micrograms per deciliter, the level at which public health intervention is recommended, according to the Centers for Disease Control and Prevention. EPA's rules were issued under section 211 of the Clean Air Act, as amended 1970. For STA-BIL Storage, use one ounce (30mL) to 2 gallons (9.5L) of gasoline, gas/oil mixtures, or ethanol blends. Par . [citation needed], Vehicles designed and built to run on leaded fuel often require modification to run on unleaded gasoline. Leaded-fuel bans for road vehicles came into effect as follows: Leaded fuel was commonly used in professional motor racing, until its phase out beginning in the 1990s. STA-BIL Storage, for instance, states that you can safely use up to 4 times the normal dosage of 1 ounce of fuel stabilizer per 2.5 gallons of gas, although its not recommended. This is a common problem for many older engines when using unleaded gas. I had some from a few years ago and had it stored outside in a plastic tote, and looks like the container leaked. Decalin RunUp contains two types of additive, one to reduce the negative effects of tetraethyl lead in aviation fuel and the other to improve the combustion efficiency, reduce combustion deposits and clean the fuel delivery system in aircraft. Below are some things to consider when trying to figure out how much stabil per gallon. This is crucial for many classic cars too. Depending on the quantity of the deposit, this may take time to achieve, but generally one or two full tanks of fuel will do the job. The additive treat rate is a ratio of the amount of additive used to the amount of fuel treated with the additive. They are all adamant that no additive will restore old gasoline. The Opti-Lube XPD Formula Diesel Fuel Additive is specially formulated for diesel-powered engines. To speculate, cold weather causes condensation in fuel tanks, so this issue may be more related to the season. One bottle treats up to 25 gallons of fuel. You can easily add too much of a high-quality diesel fuel additive. Discovery and Slow Development in European Universities, 18531920", "1972 Imperial & Chrysler Engine Performance Facts & Fixes Service Book (Session 291)", "1973 Imperial and Chrysler Clean Air System Reference Service Repair Book from the Master Technician's Service Conference (Session 302)", "Birth of the Kettering Doctrine: Fordism, Sloanism and Tetraethyl Lead", https://echa.europa.eu/documents/10162/0b417b76-b533-42a1-9bd2-519f1dc1990d, "The History of the Elimination of Leaded Gasoline | In Custodia Legis: Law Librarians of Congress", "Throwback Thursday 1989: the switchover to unleaded petrol", "Petrol for older cars about to disappear", "Guide to lead replacement petrol (LRP) | The AA", "Corrupt Executives Sent To Prison For Pumping Toxic Leaded Fuel Overseas", "UNEP 10th general meeting strategy presentation", "Countries where Leaded Petrol is Possibly Still Sold for Road Use", "First Enforcement Action of 2011 Involves a Former Executive Officer", "UNEP Transport Partnership for Clean Fuels and Vehicles", "Prohibicin de la venta de gasolina con plomo", " 15 November 2002 N 3302-III N 209067-3 " ", "Decline in blood lead in Ontario children correlated to decreasing consumption of leaded gasoline, 1983-1992", "Last country on Earth to use leaded gasoline in cars bans its sale", "Combustibles: Libres de plomo y bajos en azufre", "Gasolina con plomo tiene los das contados", "Pb pollution from leaded gasoline in South America in the context of a 2000-year metallurgical history", "ENAP dejar de distribuir gasolina con plomo el sabado", "Udelar y contaminacin con plomo: trabajo continuo", "Highly polluting leaded petrol now eradicated from the world, says UN", "A Surprising Source of Lead Poisoning: India's Idols", https://wedocs.unep.org/bitstream/handle/20.500.11822/25422/MapWorldLead_March2018.pdf?sequence=1&isAllowed=y, https://wedocs.unep.org/bitstream/handle/20.500.11822/25756/MapWorldLead_July2018.pdf?sequence=1&isAllowed=y, "Status of children's blood lead levels in Pakistan: implications for research and policy", "evre ve Orman Bakanlndan: Benzin ve Motorin Kalitesi Ynetmelii (2003/17/AT ile deiik 98/70/AT)", "Australia Cuts Sulfur Content in Transport Fuels", "UN hails green triumph as leaded petrol is banned throughout Africa", "Africa adopts continent-wide sustainable transport agenda", "Marketing of Super-Leaded Petrol to stop as of 2021", "FIA Formula 1 Technical Regulations 2018 (published 07/12/2017)", "Modifications / Octane / Lead Content / Fuel Specs / Limitations / Certification", "US leads Avgas effort for lead-free air", "Airports' leaden fallout may taint some kids", "TETRAETHYL LEAD - National Library of Medicine HSDB Database", "Toxic substances and the nervous system: the role of clinical observation". Q: Can Decalin be used with auto fuel? Menu. I have owned and worked on many different classic vehicles, so I started this site to share my experiences. Lead massively raised the octane levels of gasoline, and it needed to be once engines in the late 1950's started to ramp up compression ratios in the never-ended horsepower race, while still operating on very primitive ignition systems. How To Use Lead Additive For Your Classic Car You should use 1 ounce of lead additive per 10 gallons of unleaded gas in your classic car. Fuel injectors and throttle bodies get cleaned up as well at the same time. Zahran, who co-authored a recently published study on the effects of leaded aviation gasoline on Michigan childrens blood lead levels, found that the levels increased based on proximity to airports. Concerns were raised in reputable journals of likely health outcomes of fine particles of lead in the atmosphere. [113], From 1 January 1996, the U.S. Clean Air Act banned the sale of leaded fuel for use in on-road vehicles although that year the US EPA indicated that TEL could still be used in aircraft, racing cars, farm equipment, and marine engines. Construction started in April 1939 and TEL was being produced by September 1940. Retail gasoline prices move an estimated 2.4 cents per gallon for every $1 change in the price per barrel. poway high school athletics; remserv held funds; billy robinson newcastle; satellite go around the earth at height how much lead additive per gallon benson funeral home, st cloud, mn obituaries seneca falls county jail 27 inch microwave base cabinet christian mougang bassogog chicken losing feathers at base of tail Q: What is the case quantity of Decalin Fuel Additive, Part # 05-03412? You should look to see if your car has a set of valve seats. A manganese-carrying additive, methylcyclopentadienyl manganese tricarbonyl (MMT or methylcymantrene), was used for a time as an antiknock agent, though its safety is controversial and it has been the subject of bans and lawsuits. When TEL began to be phased out, the automotive industry began specifying hardened valve seats and upgraded materials which allow for high wear resistance without requiring lead. My gasoline station recommended Sim-U-Lead, made by Sta-Lube. Engine knock is caused by a cool flame, an oscillating low-temperature combustion reaction that occurs before the proper, hot ignition. If you drive your vehicle less, you likely wont need as much. If you're using it for the first time, add 2 ounces per gallon of fuel. For best results, add BERKEBILE 2+2 Lead Substitute to the gas tank before filling it with gasoline. Do Not Sell or Share My Personal Information, Tesla Mexico plant means $10-billion investment, Nuevo Leon governor says, Car debt piles up as more Americans owe thousands more than vehicles are worth, Musks master plan for Tesla is built around sustainable energy economy, Desperate mountain residents trapped by snow beg for help; We are coming, sheriff says, Newsom, IRS give Californians until October to file tax returns, Californias snowpack is approaching an all-time record, with more on the way, Column: Why buying a car may result in a scary (and pointless) adverse action notice, Judge Cuts Award Against GM to $1.2 Billion, Nissan recalls over 800,000 SUVs because of defect that can cut off engine, Mexicos president says Musk will build Tesla EV plant in northern Mexico, Hyundai was poised to become Teslas top contender.

Daniel Gunnarsson Singer, Late Show With Stephen Colbert Cancelled, Maria Belon Injuries Pictures, Geelong Council Cat Traps, Skytech M1000 Mouse Software, Articles H

how much lead additive per gallon