Best Afr For Fuel Economy


The LQ4 and LQ9 are the most common Gen III LS blocks, and are very desirable due to the big bore and durable iron construction. However, lambda is more universal in the sense that it's a constant regardless of the fuel being used. The trans is a turbo 400 with a converter that stalls at 3200 RPM. some will have definite advantages over others. as for the inconsistent idle afr, it could be a number of things, such as:-injector latencies-rc injectors don't have the best spray pattern/atomization-iat temps idle afr honestly isn't all that important. But, having an AFR that is too rich will have the opposite affect and decrease your performance. There are five popular Florida beaches on the East Coast within 75 minutes of Orlando and several more Florida Beaches on the Gulf Coast that are worth the drive. NOTE - I've found the following EFI tables to be the most significant areas for improving fuel economy: Target Air/Fuel Ratio Table (too rich in cruising area). Hey guys have a question about the best cam profile for a stock 94 351w block, mods include AFR 185, 1. 7:1 for now. The AFR+ can be used alone or in combination with your existing fuel controller or mapping software. The December 2015 Rider magazine has a neato article on the Versys. L3k System , Car Fuel Savİng Devİce, Hho Dry Cell Kit, Hydrogen Generator , For Sale Online. BETTER FUEL MILEAGE – The AFR+ pays for itself! SAVING YOU $$$ The information the AFR gauge displays is all you need to get the best fuel mileage out of your vehicle. For a given engine using gasoline, the relationship between thermal efficiency, air fuel ratio,. 9 mg/N-s on takeoff and 15. SCT SF3 Power Flash Programmer 3015. relationship between AFR measurements and maximum horsepower, best throttle response, engine life, and best fuel economy are well known, it is faster to first tune to specific AFRs and then to use actual track performance for final fuel delivery adjustments. This is due to better spark timing and air fuel mixture accuracy creating greater torque. Holley's base calibrations are not designed for good fuel economy. What is the HMRC Mileage Tax Relief Policy? Do you use your car for work-related trips and pay some of the costs out of your own pocket? If so, HMRC lets you claim mileage tax relief. I also read online on a few websites that aiming for 17. Unfollow 427 chevy engine for sale to stop getting updates on your eBay Feed. The spark plug itself, and the residue that forms on it. Dynojethas foundthe best compromise of fuel mileage and throttle response to set the cruise range to 13. For all other ranges 12. Stock Rocker vs Roller Rocker Introduction to Finite Elements December 2003 Introduction: The major focus of this project is to study the rocker arm in a conventional Chevrolet small block push rod engine and a high performance roller rocker commonly used in racing. Restoring a Fox Body or building an S197 to annihilate the asphalt has never been easier with all of the hottest mods in one easy-to-shop site. 5 AFR anyway) started to lose MPG & definitely HP to maintain cruise. A fuel quality program created and enforced by automakers for optimal vehicle performance. To call them when the short block is done with the specs they will help figure out what I need. peak power is richer than 14. e afr of 12. Crate Engine - Ford 347 Crate Motor High Performance Engine, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. Hotels near National Museum of African American History and Culture, Washington DC on TripAdvisor: Find 55,971 traveler reviews, 60,802 candid photos, and prices for 30 hotels near National Museum of African American History and Culture in Washington DC, DC. 2 AFR - Safe Best Power at Wide Open Throttle 13. The intake helps the truck breathe better. If you want to exceed 100hp, then a wet kit is better since you will be able to control the fuel delivery better. Even still most factory turbo Subaru cars run this type of ratio or leaner at midrange even under peak boost! I can see Subaru doing this for emissions and fuel economy since Gasoline/Petrol's stoich ratio is at 14. Carburetors are relatively cheap and simple to tune, and when it comes to wide-open-throttle (WOT) performance they match, or in many cases, out-perform EFI systems. Read about company and get contact details and address. car is around 1750kg and will be used for street and. 10-01-08 03:25 PM - Post# 1533215 In response to tikiwagon As one set is longer than the other, your only choice is the one that fits in the heads. The number is simply a scale. can use AFR diesel rates. AFR simply does not correlate well to a diesel as it does with a gasser. car is around 1750kg and will be used for street and. The December 2015 Rider magazine has a neato article on the Versys. This is great for fuel economy and light load, but when it comes time to tune for best power and torque, the Log Tuner Pro should be used. "Mileage" is to cover petrol AND accelerated wear-and-tear, and has official HMR&C rules. The RSR Air/Fuel Ratio gauge is the best tool to provide these answers. Your AFR reading is not calibrated to your engine. What are everyones ideas on improving fuel economy? What is the best strategy for timing and afrs?? particularly in cruise cells such as 1600 35-40-45map 2000 35-40-45 map 2400 35-40 -45 map I am aiming for more timing and lean afrs of 15. However, AFR is dependent on the type of fuel being used, while lambda is not. Effect of Fuel Injection Pressure on Performance of Single Cylinder Diesel Engine at Different Intake Manifold Inclinations M. The number is simply a scale. Air Fuel Ratio Tuning Tips Your target AFR should be around 14. The only VAT implication of you claiming the business mileage is that the company can claim a VAT element. Best power A/F for normally aspirated WOT. Some companies have facilities for tax-free charging of electric car batteries at work and this facility can be provided as well as the reimbursement of business mileage using an AFR. 7 mass of fuel. you can't have both. About Us Automotive Fleet Resources, LLC staff has over 75 years experience in the automotive industry. Lower number = richer AFR & higher numer = leaner? For. THE AEM DIESEL WATER/METHANOL INJECTION SYSTEM ADVANTAGE Water/methanol injection (WMI) systems reduce air inlet temps and enhance combustion efficiency on turbo Diesel applications, which allows an engine to deliver more power with less effort. * The low-viscosity, advanced full synthetic formulation can help to increase engine efficiency and improve fuel economy. R from 0 to 29 degrees of throttle is 13. enrich things up a bit for light acceleration, but drop straight back to lean for cruise, and then to full-fat. Exercising Ethics During Official Travel John S. COMPANY car mileage rates have been slashed by up to 18% as HMRC cut the tax allowance across all six of the petrol and diesel categories due to continuing fuel price falls. After making adjustments based on the steady state runs, work on acceleration. In practice, it's going to be whatever your cam wants it to be. Does this mean that carbs are only best suited for maximum performance use, where fuel economy and idle or part-throttle driveability is of no concern?. Air-conditioning. This is the best performer and it can end up saving you a ton of money for future maintenance and it's no wonder it's most buyers' first choice. Engineering Explained: How Chip Tuning Works. Dondang Sayang Events & Co. If the car is driven in an enthusiastic way after the remap has been carried out then the fuel economy will not increase (and in some cases may decreases). Washington Headquarters Services & Pentagon Force Protection Agency. • Both VCT and (especially) EGR reduce BSNOX, but the. The 318 is a good, solid and dependable engine. Call to publish mileage reimbursement rates for plug-in hybrids. Garrett - Advancing Motion selects only the best distributor partners on each continent to uphold the values associated with the Garrett brand. It automatically controls the air-fuel ratio of the intake charge according to the user defined target air-fuel mixture ratio map and it continuously maintains this even if new modifications are made to the motorcycle or slow changes like air filter clogging or engine wear take place. Because air is so much lighter than gasoline, it takes nearly 10,000 gallons of air mixed with 1 gallon of gasoline to achieve this air-fuel ratio. 6 RR, RPM Air-Gap. It's probably worth noting that stoichiometric ratio (lambda 1. Lack of secondary accelerator pump shot and a delayed secondary opening will increase fuel economy. Disable it. However, the best I can do now is 24mpg. ------------------ SCOOP 2. Good A/F target for part throttle cruise and light to moderate acceleration. After making adjustments based on the steady state runs, work on acceleration. Best performance for most vehicles is with an AFR around the 12. Chrysler's Pentastar V6 has been significantly enhanced for 2016, improving fuel economy by 6 percent and torque output by 15! Here's how they did it. If, however, the driver modifies their driving style to make the most of the increased power and torque throughout the rev range then fuel economy can be increased. you can't have both. 7 AFR : 1 Lambda. 0L Injector cleaning • Add ultrasonic injector cleaning for improved fuel efficiency and engine performance. IndiaMART Get Best Price. In a nutshell, they both indicate AFRs. 7 in the Target AFR cells. I will be the first to admit and try to sell that. 2 the problem still exist's. Lean ratios of 15 to 16:1 provide the best fuel economy. If you drive your car normally and tune the engine regularly, you can increase the spark plug gap by about 0. AFR Performance is the No1 choice for getting the best out of your car or van engine. I leaned out the fuel mixture when in open loop, to increase MPG. Dynojet Auto Tune Kit for Power Commander and Power Vision. The EFI fueling allows you to control any necessary fine tuning without spending more money or valuable time. 3 lag and knock jump's in and if we further richen's the afr by 23 % i. Clearly no answer is 100% absolute. If the AFR screw is an AIR Adjustment screw then turning it clockwise will make AFR RICH. AEM Electronics announced the release of their new X-Series line of wideband air/fuel ratio sensor controllers a few months ago, including the bold claim that they are now the fastest responding wideband on the market based on independent testing against 17 other AFR controllers including all the names you're likely familiar with. For a given engine using gasoline, the relationship between thermal efficiency, air fuel ratio,. the short-term, mid-term, and long-term applicable federal rates (AFR) for the current month for purposes of section 1274(d) of the Internal Revenue Code. Stolen vehicle police report required to use. Distances are measured using a direct path, as the crow flies and the compass direction is shown as well. I use AFR's on the Camaro and they're great, though they are race heads and not good for a street car. This is great for fuel economy and light load, but when it comes time to tune for best power and torque, the Log Tuner Pro should be used. My hypothesis is that full power AFR is somewhere between lambda 1. Note that in cold temperatures, a car will generally run a bit richer than usual so if your gas mileage is slightly worse in winter than summer, this is actually normal. An engine running a rich AFR mixture will result in terrible fuel economy and increased emissions, but a lean AFR can potentially be much worse! A lean mixture will cause a much hotter burn, potentially hot enough to melt pistons and spark plugs, and cause untold amounts of damage to the engine's internals. The AFR-FI is a. Cleaning includes readout of injector flow before and after cleaning and the percentage of improvement. Fuel economy impacts of NOx emissions compliance with passive SCR • Current implementation of passive SCR generates a net fuel economy benefit of 5-6% over a comparable stoich. 5 Gallon Gas Can Bashlin Biodiesel Biodiesel Processor Black Diesel Blitz Cap Blitz Gas Blitz Gas Can Blitz Gas Can Spout Blitz Spout Chilton Gas Can Climbing Belt Diesel Fuel Transfer Pump Diesel Transfer Pump Dresser Wayne Drill Rig Drilling Equipment Drilling Rig Drum Heater Eagle Gas Can Eagle Gas Can Spout Efie Emco Wheaton Fe Petro Fill Rite Fill Rite Pump Flexible Solar Panel Fuel. The AEM is the one on the right. But the cruise and idle target AFRs are also interesting. The December 2015 Rider magazine has a neato article on the Versys. And that it is probably best to try to get the WOT AFR right first. Browse our array of extras to find the best options for your car rental in South Africa. What is a safe NA AFR? then you adjust timing accordingly for the best power output. After making adjustments based on the steady state runs, work on acceleration. 4 seems to work best. RE: Best AFR Message: It is never as simple as that, the table that was posted will ride awesome and make reasonable power, however I may be a little concerned of washing bores and fairly poor fuel economy. The fuel pump has to be able to keep up with the engine fuel demand @WOT. 5 is optimal for lean cruise. 2 at cruise, and 12. any dodge ram people out there i just tuned my 2004 ram 5. About Us Automotive Fleet Resources, LLC staff has over 75 years experience in the automotive industry. Lucas' fuel injector cleaner is not only the best bang for your buck, but it also significantly improves the operation of your vehicle, and its lifespan. 331 worth it with afr 165's? If this is your first visit, be sure to check out the FAQ by clicking the link above. The best pull is 490 hp with 35 degrees of timing at 21 psi. You may have to register before you can post: click the register link above to proceed. Cleaning includes readout of injector flow before and after cleaning and the percentage of improvement. While they are cast in Asia, they are equal in quality to American cast heads, for approximate $1700 less. 7 for the best acceleration and economy for the current gasoline engine's. When we ordered out early 2017 “K” in Dec. When it comes to fuel mileage and increased fuel efficiency, this ratio changes again. Best fuel economy A/F ratio. it's a 350 chevy stroked to 383. I also read online on a few websites that aiming for 17. Different fuels have different stoichiometric ratios. Real world inefficiencies result in an air/fuel ratio (AFR) of 12. 64:1 (stoichiometric) is equivalent to lambda of 1. I was wondering with the 2015+ Versys 650 if I keep the rpms below 5,000 most of the time, I would get similar NC750X fuel economy. By state law, all vehicles older than 10 years are sold as "mileage exempt", true mileage unknown. com FREE DELIVERY possible on eligible purchases. •Rebuilt 289ci V8 engine with AFR aluminum heads, Edelbrock intake and 4 barrel carburetor - runs strong. 5 AFR - Lean Cruise 16. 55's did not hurt my gas mileage at all and they performed pretty good. The AFR is an important measure for performance-tuning reasons. hope this will make a difference. Find an AFR+ Fuel Controller for your Harley Davidson. When using timing control you have complete control of your ignition timing curve. Lower number = richer AFR & higher numer = leaner? For. Big Block A body Tech. Take the carburettors and throw them in the trash if you want better fuel economy. Hydrogen Fuel systems pty ltd, as builders of these devices are supplying you with BG (hho) which is capable of tremendously increasing your mileage, But there is a lot more to it than just that First of all if you install one of these devices with no other. Still, AFR's 195cc head would be a good choice for your build up. 5 AFR above that. 3g GPS Mileage System. Some tuners say that LS motors run the best at 13. You can immediately see/feel when switching between modes if you make the dramatic changes to AFR table as I mentioned before. just wondering what the best combo out there is right now, im thinking afr 165's holly systemmax manifold and the ford e-cam? Any one got any idea of the perfect head, cam , intake combo if money was no issue?. 6 AFR ratio. Short of that, you can do Second-gear bursts of 2 to 3 seconds each and have a passenger watch the meter. so after brief analysis and testing and comparing the AFR. Timing control is a manual tuning feature which requires you to modify the curve in the handheld to best suit your engine. 7 most likely. BETTER FUEL MILEAGE – The Dobeck Performance AFR+ Auto-Tune System Gen 4 pays for itself! SAVING YOU $$$ The information the AFR gauge displays is all you need to get the best fuel mileage out of your vehicle. AFR+ combines an EFI controller with a wideband O2 sensor and AFR gauge to provide a user instant fuel trimming ability and feedback about their vehicles state of tune. This site says to have them set it to 13. The software interface allows you to enter the specified AFR 13:1 etc that you want your bike to run at. The EFI fueling allows you to control any necessary fine tuning without spending more money or valuable time. •Power Brakes. While driving at an unknown speed, an abnormal noise was coming from the engine. Why are fiscal policies and procedures important for nonprofits? Maintaining meaningful and well-considered policies and procedures is a critical component of a strong financial management system. Keeping the AFR around 13. The VE, AFR and tuning requirements constantly vary as determined by the mechanical and dynamic properties of the motor. The spread in the HP and torque throughout the curve between the best and worst was not that great. The lowest fuel consumption (best fuel economy) is obtained with lean air-fuel mixtures, with an AFR of 15. AFR is a ratio, so for technical correctness the number for AFR should be written as 10:1 to 19:1 AFR in the above paragraph. More compression will improve power throughout the engine's rpm range, which makes for snappier acceleration and increases fuel mileage because the engine is more efficiently converting energy into power. Over the years, fellow tuners have made files to help others setup tables in HP Tuners and they can be difficult to find. Hydrogen Fuel systems pty ltd, as builders of these devices are supplying you with BG (hho) which is capable of tremendously increasing your mileage, But there is a lot more to it than just that First of all if you install one of these devices with no other. What I was pointing out is that the bike is using the fueling from the AFR tables (or trying it's best to), not the Fuel tables. Exercising Ethics During Official Travel John S. 0:1 as you approach your peak boost level. hi need help to pick the best cam for my engine build. This is the best condition for the catalytic converter to do its job thus providing for a better environment. Washington Headquarters Services & Pentagon Force Protection Agency. You’re essentially burning more fuel than you actually need for the car to properly operate. This guide aims at tuning the fuel/air screw to give you an optimal air-fuel mixture. 0 is Lunati's best-selling hydraulic-roller-lifter cam in the catalog, "by far," according to Kirk, so you know it's doing some small-block Ford. Sixt has branches at many major airports and top destinations in South Africa and each location hosts a fleet of up-to-date vehicles from leading brand manufacturers. Keeping the AFR around 13. Terrible fuel economy but good fuel trims, AFR, boost, etc. Tuning Your Carburetor For Optimal Performance And Fuel Efficiency. Fuel economy impacts of NOx emissions compliance with passive SCR • Current implementation of passive SCR generates a net fuel economy benefit of 5-6% over a comparable stoich. Arturo is also kind and thoughtful. Boosted cars are known to get massive power gains from revised ECU maps, but there's always been a question mark over chipping. MFI has never been known for fuel economy and as a. 010" for better performance. I also read online on a few websites that aiming for 17. 0 on most engines. If tuning on a Dynojet, try for 12. UK mileage rates can differ, however, HMRC advisory fuel rates state that in most circumstances you can claim mileage at a rate of 45p per mile for the first 10,000 business miles in a year (this is an increase of 5p per mile since April 2011) and then 25p per mile thereafter. The EFI fueling allows you to control any necessary fine tuning without spending more money or valuable time. Three new CWT balance machines under one roof is a rare sight. Keep track of your vehicle mileage and expenses for accurate costs. VE is a measure of how efficient the engine is with regard to filling the combustion chamber with a charge of fuel and air - Intake Air Temperature (IAT) • Air density goes down as temperature rises. The AFR+ system uses a wideband O2 sensor to display the full range of AFR values and target performance AFR values along with fuel economy AFR values. Lean mixtures around 16:1 AFR produce the best economy, but the extra heat oxidises the Nitrogen in the air increasing air pollution, but with low CO levels. 05 lambda) and 16. 6 to 1 AFR (. COMPANY car mileage rates have been slashed by up to 18% as HMRC cut the tax allowance across all six of the petrol and diesel categories due to continuing fuel price falls. 120" thick-wall pushrods. How GM Electronic Fuel Injection Works. The graph does not show the glass-smooth 600-rpm idle, the instant fire-up on a dead-cold start, or the far better BSFC at cruise throttle openings, which all translate to better mileage. They are used to establish an organization’s internal. AFR (advisory fuel rate) payments are the expenses company car drivers can claim for travelling on business in the vehicle provided by employers. Quality, performance, and reliability are excellent. 5 Reputable Tuning Options To Take Your Ford F-150 Ecoboost from Mundane To Insane. Holley Carburetor Full Power Circuit Calibration Guide July 27, 2015 by Muscle Car DiY Strange as it may seem, the main jet on a Holley carb is not what you should be using to calibrate the WOT mixture delivered to the engine. The 3g GPS system uses a device placed in your car cigarette lighter socket to record your mileage, the data is then sent via the mobile phone networks directly to our servers. Arturo is also kind and thoughtful. Parleys Diesel Performance offers the TDI Performance mods you need to get even better diesel fuel mileage, and to awaken the power of the sleeping beast in your TDI engine. New company car advisory fuel rates have been published which take effect from 1 June 2019. 3 lag and knock jump's in and if we further richen's the afr by 23 % i. response to set the cruise range to 13. do NOT contact me with unsolicited services or offers. It was intended as a low performance, high-torque engine primarily used in Chevy's heavier passenger cars and light-duty trucks. Diesel MPG Accuracy & Calibration Solution. Newer cylinder heads with fast burn characteristics generally. TDCi models come with a 5-yr/90 000km Service Plan with 20 000km service intervals, while KUGA models with petrol eng. The best no-interest credit cards are interest-free for the first 15 to 21 months and have $0 annual fees. from: subject: after action report,. We compare the best rental brands in South Africa so that you save on your next vehicle hire. May be the following will help you in tuning your mean machine for optimal power delivery and best fuel economy. Ideal for the regular traveller who wants complete simplicity. · Loofahs is best-suited for cleaning large areas of skin, especially if you use a liquid-based soap. com FREE DELIVERY possible on eligible purchases. The AFR+ can be used alone or in combination with your existing fuel controller or mapping software. $40 off Cuisinart AFR-25 Air Fryer - Stainless Steel. TARGET AFR TARGET AFR AT IDLE Typically between 13. 7 AFR and WOT enrichment, but can ramp the AFR up & down smoothly depending on engine load, I. Holley's base calibrations are not designed for good fuel economy. 363 Ford Crate Engine 500 HP With Aluminum Heads Fully machined new Dart SHP 302 Ford roller block with 4. Since this lean AFR would invite detonation under moderate loads, it might also explain why the timing tables on these trucks are so low. This is known as Stoic ratio and has been determined to be the best fuel to air ratio that admits the least carbons and produces the best gas mileage. The Hydrocarbon (HC) levels start to rise as unburnt fuel exits the exhaust and power drops off. If any undesirable symptoms are recognized, note the throttle position, engine RPM and AFR for tuning purposes. I was planing on buying a wide band air fuel ratio gauge to help tune the carb on my Y block. Used 2017 Audi A5 2. 4 seems to work best. 0:1 as you approach your peak boost level. Personally I have a variable map setup on my R1. 7 AFR gasoline, or 1. How to Calculate Accident Incident Rate. Has 174 entry spots for maintenance, repairs or other expenses, and 240 entry spots for parking and toll costs. Was a great experience and I would do it 100x over! I was referred to West Coast Engines by a mechanic buddy of mine that has been in car racing for 30 years. - I have known some tuners to tune highway cruising values to as high as 15. Mileage audit and fuel expenses auditing firm TMC has published advice on reimbursing drivers of electric and plug-in hybrid vehicles. 5 reviews of Westech Performance Group "I'm a few months behind in getting my review posted. The Motty AFR Tuner was created to solve this problem. Bloomberg Share. Looking for Hho Generator online? Discover Hho Generator on sale right here with the largest variety of Hho Generator anywhere online. Best economy is leaner (around 1. Air/fuel ratios are typically measured using a so-called "wideband' air/fuel ratio sensor. In short, when fuel mixes with the lubricant, it reduces the viscosity of the oil, meaning that the viscosity may be too low to create an oil film capable of withstanding heavy loads and speeds in some parts of the engine. The 318 is a good, solid and dependable engine. The Motty AFR Tuner was created to solve this problem. A fuel quality program created and enforced by automakers for optimal vehicle performance. In present days an automobile engine has to. Enables Mileage Allowance Relief Claim For a Company with 100 drivers claiming mileage expenses, Exevia could give a net saving of £8,000 per month. 125 bore Block painted with 3 coats of high temp ceramic engine paint. Uber now includes the option to schedule a ride 5 minutes to 30 days in advance using the Scheduled Rides feature. 5 AFR - Best Rich Torque at Wide Open Throttle. A turbo on a diesel motor increases the efficiency of combustion, so with all things equal results in better fuel economy. Learn more. The vacuum secondary carb’s fuel calibration is usually more efficient as well. It'll go rich for power, but just cruising, it always wants to be 14. division,” he notes. How far is it to drive from Fort Lauderdale, Florida to Jacksonville, Florida? View a map with the driving distance between Fort Lauderdale, FL and Jacksonville, FL to calculate your road trip mileage. It all depends on which chip manufacturer one likes the best. Crate Engine - Ford 347 Crate Motor High Performance Engine, at GREAT Prices, Selection, Customer Service, and Low Shipping Rates All From COAST HIGH PERFORMANCE. 14-15 Chemically ideal. Ford V-8s have always struggled to make power because they’ve always been limited by factory cylinder head design. Fuel Management Buyers Guide for Harley http://www. But i believe it's considered lower now. 5:1 gives maximum power. Visitgreece. An engine running a rich SFR mixture will result in poor performance and terrible fuel economy, but a an engine a lean AFR can potentially be much worse! A lean mixture will cause a much hotter burn, potentially hot enough to melt pistons and spark plugs, and cause untold amounts of damage to the engine's internals. If you have a bit of a stumble in very light, low speed operation, sometimes it helps to richen it up by another 1/4 turn. Most cast iron heads are also less expensive than aluminum heads because the metal is less expensive. Trick Flow by the way make the most power, followed by the AFR's. In fact, modern fuel injected cars use oxygen sensors and a computer to adjust the mixture on the fly to maintain a stoichiometric ratio at low engine speeds in order to offer the best fuel economy possible. And with economical vehicles, this is likely to cost less than paying AFR, which is worked out on a broad average. Big Block A body Tech. Our crew wrapping up for the day. 5 times as much ethanol to make similar power as gasoline, dramatically reducing fuel mileage. Clearly no answer is 100% absolute. The cruise AFR only effects cruise so it will not affect your acceleration or other AFR settings. The software interface allows you to enter the specified AFR 13:1 etc that you want your bike to run at. Welcome to LS1 Tuning Guide. Dynojet considers the cruise range to be around 5-20% throttle. Air-Fuel Ratio (AFR) - The most common reference term used for mixtures in internal combustion engines. Your AFR reading is not calibrated to your engine. AFR LS1 205's PN: 1510 *In stock* AFR LS1 225's PN: 1630 *In Stock* 205cc or 225cc AFR Heads Available ; Trademark 3/4" Deck Surface ; 205cc runner size (same as stock) produces a combination that dramatically increases horsepower yet maintains torque and increases fuel economy! The best of all worlds. They should be ~14. The estimator can be found here: Gauge Availability Estimator. This is generally around 14. 86 lambda, but with a lot of variation depending on engine design). Best fuel economy is generally achieved between 15. *****so how do you do this?. Air/Fuel Ratio (AFR) entries in the 12×12 your MicroSquirt® controller™ AFR table are expressed as a ratio of air to fuel by volume (for example 14. AFR+ combines an EFI controller with a wideband O2 sensor and AFR gauge to provide the most powerful, user-friendly tuning device on the market. 7 AFR up to 50% TPS and 7500rpms. Annual Financial Report for Non-Profit Public Water Systems Regs for the Collection/Settlement/Refund of State Imposed Court Assessments Municipal Compliance Questionnaire. 73 work best from a performance and economy balance. AFR+ combines an EFI controller with a wideband O2 sensor and AFR gauge to provide the most powerful, user-friendly tuning device on the market. The AFR for maximum power is usually between 12-13:1, depending on how well mixed the vapour was beforehand. MSD Atomic. Select the Geolocate icon below or enter in your postal code to find the nearest base to you, within 300 miles. So if everyone, on this forum, is getting near the specs on MPG - the vehicle could fail emissions! To fix it, a drop in MPG is needed to meet emissions for the EPA. This will achieve the best fuel economy while supporting for lots of airflow. 7 bar), and it is enough to receive 280-300 horsepower. More compression will improve power throughout the engine's rpm range, which makes for snappier acceleration and increases fuel mileage because the engine is more efficiently converting energy into power. Best Economy: 14. When using timing control you have complete control of your ignition timing curve. 8 under load, get the best of both worlds. found out too late that due to the shape of the combustion chamber (next to the exhaust valve. This vehicle is in excellent condition, as well as the interior and exterior of this vehicle. We tune for Best power at cruise as well, and shoot for the leaner side of the scale. Programming your vehicle with one of SCT's pre-loaded performance or fuel economy tune files is as easy as 1-2-3. 5:1 a/f ratio, this insures the best performance at wot power under all circumstances.