[91], Concerns over the toxicity of lead[92] eventually led to the ban on TEL in automobile gasoline in many countries. Works as advertised! Par . Too soon to tell its effectiveness. Q: Can you harm Decalin Runup fuel additive if its stored outside in the winter? It also removes water from the petrol tank and cleans carburettors and fuel injectors. It is not toxic, doesn't need to be disposed of, doesn't leave any residue, and can be used in all weather conditions. The product is so toxic that some producers are afraid to put it in the hands of consumers. STA-BIL should be added at 1-ounce per 2.5 gallons of fuel for proper protection. Lead Substitute. While the allowance of.05 grams per gallon accounts for a small fraction of the current flow, its worth emphasizing that both the CDC [Centers for Disease Control and Prevention] and EPA have concluded that there is no known safe level of lead exposure, wrote Sammy Zahran, an associate professor in the department of economics at Colorado State University, in an email to ThinkProgress. Southwest - Chandler, AZ For nearly 50 years, VP Racing Fuels has powered more race winners than any brand worldwide. Diesel Fuel (except Dyed Diesel) Rates by Period. This property, which allows it to dissolve so evenly and effectively in motor fuel also allows it to diffuse through the bloodbrain barrier, and accumulate within the limbic forebrain, frontal cortex, and hippocampus. Fuel Additives Gas Treatment. Q: What is the case quantity of Decalin Fuel Additive, Part # 05-03412? [115][116], Taking cue from the domestic programs, the U.S. Agency for International Development undertook an initiative to reduce tetraethyl lead use in other countries, notably its efforts in Egypt begun in 1995. the spice house vs penzeys politics; driving distance from vancouver bc to cranbrook bc. American chemical engineer Thomas Midgley Jr., who was working for General Motors, was the first to discover its effectiveness as an antiknock agent in 1921, after spending several years attempting to find an additive that was both highly effective and inexpensive. Ralph Vartabedian is a former national correspondent at the Los Angeles Times. Flat Rate Shipping must be selected in cart for promotion to apply. In the 1987 model year, the company will impregnate Teflon on the spline to eliminate the clunking. renew bosnian passport in usa. In the 1950s, the use of lead additives in gasoline began to increase due to growing automobile sales, the expansion of the U.S. highway system, and the decline of public rail transit systems, according to Mielke. 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. Stabil as noted below is not a cleaner a splash of Seafoam in every tank keeps the carbs clean and the engine running good. 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. In 1971, the change was made to stop using lead gasoline, but it took many years to get these vehicles off the road. The Impact of Childhood Lead Exposure on Crime", The World Has Finally Stopped Using Leaded Gasoline. If it is put in after, Runup will disperse quite rapidly in the fuel, not longer than 10 minutes and less than that if flying. You can easily add too much of a high-quality diesel fuel additive. No. 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. In 2021, the level was lowered in accordance with the average lead level in the U.S. decreasing to 3.5g/dL or more as having a "blood lead level of concern. U.S. Gov't, National Institute for Occupational Safety and Health. These modifications fall into two categories: those required for physical compatibility with unleaded fuel, and those performed to compensate for the relatively low octane of early unleaded fuels. MTBE has environmental risks of its own and there are also bans on its use. "The Impact of Childhood Lead Exposure on Crime". Check Latest Price. Remaining lead in unburnt fuel finds its way into the oil by bypassing the pistons. Lead additive is a myth anyway. Diesel Formula STA-BIL is recommended for use AT EVERY FILL UP for year round protection. Powershield uses sodium, a metal, as a substitute for lead, which is also a metal. AEROSHELL OIL SPORT PLUS 4 CASE OF 12 LITERS, PHILLIPS 66 XC AVIATION OIL 20W50 12QT CASE, Alcor By Tempest TCP Fuel Treatment - Quart, Vena Ht (SCAT Equivalent) Flexible Aircraft Ducting - Cut To Length, Vena HTD (SCEET Equivalent) Flexible Aircraft Ducting - Cut To Length, Safety Wire - Stainless Steel - 1 Lb Spool. If you worry about using unleaded gas with your old engine, this can cure your concerns. shein voucher code first order; russ rose salary penn state; bluestacks text not showing; wordle alternative game; what is marco scutaro doing now [30] He convinced the Surgeon General that the doseresponse relationship of lead had "no effect" below a certain threshold. This allows the combustion process to be more efficient and reduces emissions. 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. 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. Midwest - West Chicago, IL At recommended concentration, Powershield would be diluted with gasoline to 8 parts per million. Then the U.S. government blindsided it, Tesla pauses rollout of driving software subject to U.S. recall. STP Ethanol Fuel System Treatment. Lucas Oil Fuel Stabilizer. Q: The dosage.. is it per US gallons? 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. In the 1950s, the use of lead additives in gasoline began to increase due to growing automobile sales, the expansion of the U.S. highway system, and the decline of public rail transit systems, according to Mielke. how much lead additive per gallon; how much lead additive per gallon. [38][40], As of June2016[update] the UNEP-sponsored phase-out was nearly complete: only Algeria, Iraq, and Yemen continued widespread use of leaded gasoline, although not exclusively. Lead additive is a gasoline additive that helps prevent engine knock by reducing air-fuel mixture detonation and preventing ignition delay. The principal maker of lead additive today the Associated Octel . Please note other excluded items on the same order may incur a freight charge. It also performs other useful duties by helping to remove carbonaceous deposits in the oil galleries. It is important to remember that there are 128 ounces in 1 gallon. There is no limitation. Easy measure bottle and good lead fouling reduction in lower compression engines. Lead and lead oxide scavenge radical intermediates in combustion reactions. LUBRICANT ADDITIVE TO CONTROL VALVE SEAT WEAR IN ENGINES DESIGNED TO RUN ON LEADED GASOLINE! Innospec has claimed to be the last firm legally making TEL but, as of 2013[update], TEL was being produced illegally by several companies in China. Synthetic iso-octane and alkylate are examples of such blending stocks. Cetane rating is used to show the combustion speed of diesel fuel. Despite the widespread belief that the federal government banned lead from automotive gasoline two decades ago, a little known federal regulation allows unleaded gasoline to contain trace amounts of the toxic metal. "Ridding the world of leaded petrol, with the United Nations leading the effort in developing countries, has resulted in $2.4 trillion in annual benefits, 1.2 million fewer premature deaths, higher overall intelligence and 58 million fewer crimes," the United Nations Environmental Programme said. Menu. The valve seats are the primary reason why lead was so crucial to many older vehicles' success. 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. Specifically, kerosene has a BTU content of about 130,000 per gallon while diesel has an average of 140,000 per gallon. For the entire US population, during and after the TEL phaseout, the mean blood lead level dropped from 16 g/dL in 1976 to only 3 g/dL in 1991. JunkyardMob.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon. Is this product better than nothing at all? We package M1 in lined drums. Is Marine STA-BIL better than regular? The success in Egypt provided a model for AID efforts worldwide. how much lead additive per gallon. [107][108], In the 1960s, the first clinical works were published proving the toxicity of this compound in humans, e.g. Even if the gas has been stabilized, we recommend completely draining your snow blowers fuel system before storing it away for the season. All lead gasoline vehicles were off the road by 1996. The Lubrizol product is not sold at retail but is packaged by a number of formulators into retail products. This product has a two year shelf life so yours may not be good anymore. A: Yes, STA-BIL Fuel Stabilizer works equally well for both 2-cycle (gas and oil mixture) and 4-cycle engines. This will ensure maximum durability without breaking the bank. Of course it won't be cheap - a couple months ago, I checked the price of 260 GT (100 octane) at a local Sunoco station and it was $7.99/gal. How does Stabil 360 work? Q: Is Decalin RunUp compatible with composite construction fuel tanks? [85] Children living near airports servicing small (piston-engine) aircraft have measurably higher concentrations of lead in their blood. Join Date: May 2005; Posts: 29; Share Tweet #6. 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. Amazon eBay Walmart. The effects of lead, a neurotoxin, on a childs developing brain can be devastating and irreversible. [89], In the 1970s, Herbert Needleman found that higher lead levels in children were correlated with decreased school performance. [100], The toxicity of concentrated TEL was recognized early on, as lead had been recognized since the 19th century as a dangerous substance that could cause lead poisoning. Best Overall. [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. [10] Antiknock agents allow the use of higher compression ratios for greater efficiency[23] and peak power. Unleaded Mandate for All Cars Starting with 1975 Model Year It is a common question. The current formulation of 100LL (low lead, blue) aviation gasoline contains 2.12 grams per US gallon (0.56g/L) of TEL, half the amount of the previous 100/130 (green) octane avgas (at 4.24 grams per gallon),[83] and twice as much as the 1 gram per gallon permitted in regular automotive leaded gasoline prior to 1988 and substantially greater than the allowed 0.001 grams per gallon in automotive unleaded gasoline sold in the United States today. At least the deposit is less dense, more friable/brittle. It calls for 1 oz per 5 gallons above 0*, and 2 oz per 5 gallons below 0*. [10], In most industrialized countries, a phaseout of TEL from road vehicle fuels was completed by the early 2000s because of concerns over air and soil lead levels and the accumulative neurotoxicity of lead. These engines used higher compression points, meaning that higher octane gas was required. 15oz Bottle - Pour entire bottle into tank then fill with any gasoline grade. The active ingredient in Decalin RunUp follows the lead of the lead, if youll excuse the pun. As a second owner of fairly new aircraft that has Lycoming tio 540, I have been having problem with lead fouling and hard starting. [17] After the death of the workers, dozens of newspapers reported on the issue. 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 Adding a full can to 4 gallons is a 4 ounce per gallon ratio, . Fuel injectors and throttle bodies get cleaned up as well at the same time. [111] The U.S. phasedown regulations also were due in great part to studies conducted by Philip J. If gasoline demand were 6.25 million barrels per day, it would be $759 million. Also noticed that the fluid changed color from yellowish to clear. It was only after the passage of the federal Clean Air Act in 1970 that the automobile industry, compelled to decrease sulfur emissions to reduce smog, introduced a catalytic converter, which required lead-free gasoline, according to the 2013 book Lead Wars: The Politics of Science and the Fate of Americas Children, by David Rosner and Gerald Markowitz. This was followed by the 1996 Clean Air Act ban on lead additives to gasoline sold for highway use. Each product is specially designed to address and prevent a unique set of problems. 108/5 1 . . . 70160. Fun Fits For Kids. Lead was added to boost octane in the 1950s and everyone kind of assumed that their cars needed it. The ingredient is already dissolved in the fuel and goes with it into the oil sump. Health experts at the time knew better. While not a complete ban, it introduces significant obligations such as a mandatory analysis of alternatives and socioeconomic analysis. The key is to increase the MON enough that running 87 octane gas in a high-compression engine gives you an equivalent of 93 or higher at a more reasonable price. Using it for a decade now. Yes, Decalin Runup is compatible with auto gas. Member. Physical compatibility requires the installation of hardened exhaust valves and seats. Myth #3: All STA-BIL products are the same, just different colors. Nope. [106] As the head of Kettering Laboratories for many years, Kehoe would become a chief promoter of the safety of TEL, an influence that did not begin to wane until about the early 1960s. I use Octane Supreme 130 (formerly Lead Supreme 130) in my '68 X-Code, 2 oz per gallon mixed with 93 octane unleaded. This can be increased to a maximum of 2 ounces per gallon for problem engines. [17], To settle the issue, the U.S. Public Health Service conducted a conference in 1925, and the sales of TEL were voluntarily suspended for one year to conduct a hazard assessment. Ferrocene, an organometallic compound of iron, is also used as an antiknock agent although with some significant drawbacks. [26], In 1938 the United Kingdom Air Ministry contracted with ICI for the construction and operation of a TEL plant. National Bureau of Economic Research. Decalin RunUp is miscible in all proportions and compatible with both 100LL and Unleaded Autogas. It especially makes a huge difference in smoothing out low rpm idle. [30] Leaded gasoline was withdrawn entirely from the European Union market on 1 January 2000, although it had been banned much earlier in most member states. Per the Supplier: All our experience so far says that this issue is unrelated to the addition of Decalin RunUp to 100LL. [102] There had also been a private controversy for two years prior to this controversy; several public health experts, including Alice Hamilton and Yandell Henderson, engaged Midgley and Kettering with letters warning of the dangers to public health. It could take up to a half year, however. Also question is,can you use too much stabil fuel stabilizer? Any way you do it, boosting 87 octane regular to 91 . My forum members on the 150/152 club swear by it. 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? Does this stuff freeze? This product is available as a 1-gallon bottle with accessories, including a hand pump and two. [112], In Europe, Professor Derek Bryce-Smith was among the first to highlight the potential dangers of TEL and became a leading campaigner for removal of lead additives from petrol. Most leaded aviation gasoline contains just over 2 grams of lead per gallon of fuel, said Mielke. [34][35] An exemption to the ban exists for owners of classic cars. Posted on June 22, 2022 by June 22, 2022 by Lead quenches the pyrolysed radicals and thus kills the radical chain reaction that would sustain a cool flame, preventing it from disturbing the smooth ignition of the hot flame front. The concept of a fuel additive treat rate \of additive being put into a fuel is often misunderstood. Customer Service: 800-861-3192 Federal, state and local government taxes contribute to the retail price of gasoline. This in turn increased vehicle performance and fuel economy. 4 gallons amounts to 4 ounces per gallon. Moreover,how much stabil should you use? [citation needed], Improvements to gasoline itself decrease the need for antiknock additives. Does not contain volatile solvents so it is safe to ship and safe in the cockpit. I came across this product and tried it for a year. One gallon of fuel is 128 ounces. When it comes to cleaning dosages, none of the listed Sea Foam ratios is excessive though 2 ounces per gallon is often a . This product is made with jet fuel, a high-quality carrier of active ingredients. Red Line Lead Substitute has been tested at levels up to 4 oz per 10 gallons and has shown that occasional overdosing will not cause problems. Kettering and Midgley stated that no alternatives for anti-knocking were available, although private memos showed discussion of such agents. You can carry it with you for out-of-town airports. 2 gallons amounts to 8 ounces per gallon. Inclusion of Substances of Very High Concern in the Candidate List Decision of the European Chemicals Agency ED/169/2012. Honorable Mention. 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. Must use this with 100LL or my old Franklin breaks rocker arms and sticks valves. Q: Will Decalin Runup have any impact on lead that ends up in the oil? I heard about this from engineering friends at General Atomics who used it on their drones with great success. The definition is outlined in the Protection of the Environment section of the Code of Federal Regulations. Replaces lead additives for protection of non-hardened valve seats Stabilizes fuel RECOMMENDED TREAT RATE One can treats up to 25 gallons of gasoline. Kerosene also has a lower cetane rating than diesel. This was when a lead substitute additive was developed to mimic the same properties using healthier chemicals. This was to comply with the Euro 1 emission standards which mandated that all new cars to be fitted with a catalytic converter. Red You can replicate that process by adding lead or a lead substitute while keeping your engine and the fuel intact. anti caking agent 341 vegan; never shout never allegations If used with each fill up, it can help maintain power and acceleration and help reduce exhaust emissions. In case you are using a 32-ounce bottle with 5 gallons of fuel, expect 105 octane performance . Fax: 800-329-3020, West - Corona, CA 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. #10472 - 55 Gallon Drum - 440 lbs; Documentation. This is a common problem for many older engines when using unleaded gas. Honorable Mention. East - Peachtree City, GA This in turn increased vehicle performance and fuel economy. Please see the tech data sheet in the 'Documents' tab for more information. I will carry it aboard my plane and use as described. So far, it does not appear that any manufacturers have introduced a tetraethyl lead that consumers can add to their own gasoline. Beyond simply cleaning your fuel system, additives can promise all sorts of benefits for your engine. Our writers research, try, compare, and recommend only the best products. It lowers the "cold filter plug point" by 18*. The valve seats are another interesting thing about older classic cars and the modern-day ones we currently drive. Q: How many gallons does one quart of Decalin Runup Fuel Additive treat? Concerns were raised in reputable journals of likely health outcomes of fine particles of lead in the atmosphere. [citation needed], Leaded gasoline remained legal as of late 2014[36] in parts of Algeria, Iraq, Yemen, Myanmar, North Korea, and Afghanistan. Previous owner says he always adds to gas. STA-BIL 22214 Fuel Stabilizer. How much STA-BIL do I need for 1.5 gallons of gas? It is used with many engine types like racing cars, off-road vehicles, and marine engines for boats too. [17] Needleman also wrote the average US child's blood lead level was 13.7 g/dL in 1976 and that Patterson believed that everyone was to some degree poisoned by TEL in gasoline. Pour entire can into tank before fill-up. Great product. Although there is a carry-over effect, intermittent use of the additive may not provide the proper protection when you need it most. Our race fuels give you consistent . Pennsylvanians, by contrast, paid roughly twice as much in 2015, at 70 cents and 89.7 cents per gallon, respectively. How it helps: . For California Residents: WARNING: Cancer and Reproductive Harm "It might not seem like much, but if you factor this for trucks that do 5 miles per gallon, or ships or trains, it can be very impactful," explains the founder. Construction started in April 1939 and TEL was being produced by September 1940. Also engineered to remove water, which can lead to fuel line freeze. humira label hidradenitis suppurativa; briggs & stratton lawn mower oil; how much lead additive per gallon; January 18, 2022 . I had some from a few years ago and had it stored outside in a plastic tote, and looks like the container leaked. Column: Will self-driving cars make L.A.s world-famous traffic even worse? This lead substitute also uses a protective film coating for your valve seats that helps prevent recession. Dry, spray-grade AMS should be added at a rate of 8.5 pounds to 17 pounds of AMS per 100 gallons of spray solution. [37][38][needs update] North Korea and Myanmar purchased their TEL from China, while Algeria, Iraq, and Yemen purchased it from the specialty chemical company Innospec, the world's sole remaining legal manufacturer of TEL. One bottle is cheap and can be used to treat up to 25 gallons of gas. The additive treat rate is a ratio of the amount of additive used to the amount of fuel treated with the additive. Comment. Ford has traced the noise to binding on the drive shaft spline. He was then forced to work in a cleanroom to keep his samples uncontaminated by environmental pollution of lead. Since the main problem with TEL is its lead content, many alternative additives that contain less poisonous metals have been examined. [39] In 2011 several Innospec executives were charged and imprisoned for bribing various government state-owned oil companies to approve the sale of their TEL products. Posted October 25, 2015. Directions for Use Treats up to 20 gallons. If you worry about using unleaded gas with your old engine, this can cure your concerns. [88] The hazards of TEL's lead content are heightened due to the compound's volatility and high lipophilicity, enabling it to easily cross the bloodbrain barrier and accumulate in the limbic system, frontal cortex, and hippocampus, making chelation therapy ineffective. Have used Decalin for many years in a Rotax 912 engine whenever I had to use Avgas. Please note, Aircraft Spruce's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Q: After adding Decalin for the first time to 100LL, on my next flight a few days later during the pre-flight sump check I noticed a separation of fluids in the sample -- about the same amount as the Decalin added. When used as directed, the contents of this can will provide the recommended concentrations of 0.1% by volume minimum to 0.15% by volume maximum. Q: Can this Decalin Runup product be used in Rotax 582 engines? For best results, add BERKEBILE 2+2 Lead Substitute to the gas tank before filling it with gasoline. [41] In July 2021, Algeria had halted its sale.[9]. This product is table down to -60 degrees C. This will not freeze or separate at any temperature. [31], Since January 1993 all gasoline powered cars sold in the European Union and the United Kingdom have been required to use unleaded fuel. In recent tests conducted by the company, which have not been audited or verified by outside sources, the Lubrizol found that current lead content can lead to rapid engine damage, especially in farm and marine engines. 9.0625%. Type. Later symptoms of acute TEL poisoning include pulmonary edema, anemia, ataxia, convulsions, severe weight loss, delirium, irritability, hallucinations, nightmares, fever, muscle and joint pain, swelling of the brain, coma, and damage to cardiovascular and renal organs. CLEAN YOUR FUEL INJECTORS THE EASY WAY It is a specially formulated fuel additive with special detergents. [97] Later authors credit both methods of preparation with producing tetraethyl lead. Yes it can be used in the Rotax 582 engine. Canada - Brantford, ON, FREE SHIPPING ON ORDERS OVER $350 (USA ONLY - SOME EXCLUSIONS APPLY) | 877-4-SPRUCE. If you have to use 100LL, then this stuff is for you. [5] On cars not designed to operate on leaded gasoline, lead and lead oxides coat the catalyst in catalytic converters, rendering them ineffective, and can sometimes foul spark plugs. Since 1993, Formula One racing cars have been required to use fuel containing no more than 5mg/L of lead. [93] The U.S. Centers of Disease control previously labelled children with 10g/dL or more as having a "blood lead level of concern." Tetraethyl lead (a colorless, oily, poisonous liquid), commonly called "lead," was used as a gasoline additive for automobiles made between the mid-1940s and the end of the 1970s. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. How Much Fuel Stabilizer is Too Much ? Best Fuel Stabilizers: Top Options to Clean Fuel. (You can put this gas in your car, provided it hasnt been mixed with oil. For example, adding a full can (16 ounces) to 8 gallons of fuel is a 2 ounce per gallon ratio. [118] India banned leaded petrol in March 2000. II.C.2. If you are unsure, using it is worth the small investment. Lubrizol believes that its sodium formulation is safer. Other countries also phased out TEL. 100/130 has 3.00 ml TEL per gallon and is dyed GREEN 115/145 has 4.60 ml TEL per gallon and is dyed PURPLE The amount of TEL in the higher grade fuels has increased the lead build up and fouling of spark plugs, along with valve erosion incidents, reported on some lower compression engines. It protects your engine against damage year-round, it restores old fuel, and a single bottle of treatment will last you longer than Stabil. [17] The low concentrations present in gasoline and exhaust were not perceived as immediately dangerous. Landrigan. [84] The United States Environmental Protection Agency, FAA, and others are working on economically feasible replacements for leaded avgas, which still releases 100 tons of lead every year. [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. 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. It will assist in stopping power and compression loss that often occurs in older car engines when there is no lead present for combustion. [41] On 30 August 2021 the United Nations Environment Programme announced that leaded gasoline had been eliminated. The benefits far outweigh the risks, and we recommend it for any classic car owner. [90], The carcinogenity of tetraethyllead is debatable. And despite the removal of lead from gasoline, the environmental ramifications of the neurotoxicant continue to be felt today because lead does not degrade and remains in the soil. It works well to clean the carburetor deposits and injectors too. 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 I never had experience hard start, no lead fouling spark plug, and engine run smooth as theyre supposed to be. [10] A process with lithium was developed but never put into practice. It's the highest purity you'll find in the United States.