The AFR can be used alone or in combination with your existing fuel controller or mapping software. you can tune a car to run any combustible afr you want. A car allowance and a mileage allowance are both related to the use of a personal vehicle for work. 1 (mine) vs 4. slower acceleration, and a little bit more optomized DFCO. Any payment or financing offer is with lender approval pending a credit check of the borrower. If you're looking into engine chip tuning and want to know all there is to know about the process and how it works, then let this be your ultimate guide!. 7:1 air-fuel ratio at part throttle because this is the lowest emission point. But that also firms up the argument that a cast iron head on an engine without detonation issues would make more power for the very same reason!”. My 10 year old 6 cylinder XLE (not Hybrid) gets about 22 around town, but have had it up over 35 on the highway. A naturally aspirated engine, running on pump gasoline will normally make the most horsepower at an AFR of about 12. I leaned out the fuel mixture when in open loop, to increase MPG. Dynamic Mapping - Fuel management systems with dynamic mapping such as the TAB Performance Auto Tuner have the ability to adjust their target AFR on the fly to give you optimal performance when you're getting on the throttle and optimal fuel economy when you're just cruising down the highway. Many of the Classic Fuel Injection cars can be set to run in closed loop fuelling mode at 14. 3 lag and knock jump's in and if we further richen's the afr by 23 % i. It depends a little on whether you calculate AFR on the trapped air mass or total air mass since such engines would have a fairly high scavenge ratio. Given the spotlight on increasingly stringent fuel economy and emission standards, manufacturers will 'kill' to get better figures. This simple procedure is a great Harley tech tip that applies to all Harley carbs from 1989 to present that use the CV style Harley Davidson carburetor. 8M miles and 482,000 business trips in the past year, saving our clients 1000s of hours that would have been otherwise spent logging mileage manually. Every day, we strive to get the best suppliers into our database. The appendices may be used as a reference for the AFR portal and various AFR packets; however, not all of the appendices are applicable to all of the reporting entities. Dynojet normally creates tunes with AFR’s of 12. This easy-to-read vehicle mileage log features 31 entries per month to ensure all trips can be recorded. Even with a turbocharger and 'spirited driving' I get 27-30mpg combined. Such kits have max boost pressure 9-10 psi (0. No matter your personal application, or your desired effect for sound and power, there is something we make to suit your needs. 5 (I think it was 16. Big Block A body Tech. White means main jet is too small (lean) and black means main jet is too big (rich). In fact, there is a term used in the heat of battle when discussing chips and that is "Chip Wars. When you view an ignition loop at light to medium loads the drop off from best fuel economy when you overadvance is very gradual but when you retard the fuel economy deteriorates rapidly. Running LEAN is when your AFR has more air to it. 33 rear end is 24 combined, 28 highway. Fuel Economy: Who cares, it's a diesel! A TDI is limited by the combustion chamber design as well as the nozzles and fuel pressure. You can see that at light loads 50 degrees isn't unreasonable. •Headers with dual exhaust. The fleet management services, the truck up-fitting, and OE parts distribution companies of Holman Enterprises respectively represented by ARI fleet management, Auto Truck Group, and Holman Parts Distribution have joined forces. If you're traveling with a Eurail Pass you can simply hop on board this train. Sales of ineligible motor oil products will not be credited. How to Clean an Oxygen Sensor. 5:1 compression on a proper. Mazda's 13B-MSP Renesis manages to have an output of 250 hp, which is really close to its twin-turbocharged predecessor - the 13B-REW. The stoichiometric mixture is the optimal point that ECU's employing fuel injection attempt to achieve at medium engine load. Answer 1 of 7: We are driving from Sedona AZ. The 1100, 3000, 6000 at 45kpa cruise are your cruising AFR ratios, these can vary from 13. Quality, performance, and reliability are excellent. One of the great features of Holley's Sniper is the ability to set your air/fuel ratio (AFR) where you want it. 7 in any Target AFRcell. Holley's base calibrations are not designed for good fuel economy. 6 at low load areas; and AFR’s between those numbers at other areas. When all the factory criteria are taken into account, the air/fuel ratios set by the factory are normally best. The one (or more) in the cat just compares the AFR between the sensors and throws a CEL if it's beyond a certain threshold. better fuel economy. 125 bore Block painted with 3 coats of high temp ceramic engine paint. You are seldom at WOT in the grand scheme of things and if your trying to get better gas mileage you are never there. 8 for a cruising AFR at those speeds. In all of my tuning time using a wideband Oxygen sensor, I have NEVER had a vehicle come in, no matter how good it ran, or how fast it was, that was tuned properly, by "feel". With 1,197 miles of coastline. Annual Financial Report for Non-Profit Public Water Systems Regs for the Collection/Settlement/Refund of State Imposed Court Assessments Municipal Compliance Questionnaire. Dynojet does not recommend making the bike any leaner than 14. The ideal stochiometric air /fuel ratio (AFR) is around 14. Even with a turbocharger and 'spirited driving' I get 27-30mpg combined. It is normally when adding boost (turbo) that AFR #'s can be a problem. Adams Vehicle Mileage Journals track your monthly business or personal vehicle mileage. The lowest average emissions are obtained with the AFR around 14. UpRev LLC UpRev Nissan Tuning Guide Page 4 of 14 K - Fuel Multiplier: This is the multiplier that the ECU uses to determine the base fuel schedule (BFS). better fuel economy. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power and fuel economy, while running too lean (very high air/fuel ratio, not enough fuel) may result in serious engine damage. Obviously the amount of air and fuel being burned is totally different between each example but the AFR for each is identical. 7 is optimal. I think the CR is around 7:1. 5 AFR - Best Rich Torque at Wide Open Throttle. Since June 2011, the AFR is meant to pay within a 15 per cent margin of the mean fuel consumption of typical company cars in a particular engine size range. AFR FULLY CNC'D 220cc HEADS, depending on cam choice. 5 I can't imagine why you would want to do that. Used 2017 Audi A5 2. The IRS effectively requires the AFR to be charged by imposing tax consequences on loans with interest rates lower than the AFR (even zero percent) and loans that are silent as to interest. I am prevented from publishing actual dyno results, but I'm going to list the intakes in order of WORST to BEST for torque, horsepower, and editor's choice "Best All-Around" 385-series intake. Good fuel mileage, typically 42-45 at reasonable highway speeds. You would need a heavily modified Super Coupe to withstand a nitrous shot over 100hp. •Air-conditioning. If tuning on a Dynojet, try for 12. The maximum engine power is produced with rich air-fuel mixtures, with an AFR of 12. If better gas mileage is your goal, then tune for power instead, the increased mileage will come when the engine is producing more power and you are driving it like a grandma. For a given engine using gasoline, the relationship between thermal efficiency, air fuel ratio,. 4 is a good safe vs power range A 13. 8 under load, get the best of both worlds. Out of Range: 18. Beginning January 1, 2012, the North Florida/South Georgia Veterans Health System Malcom Randall and Lake City VA Medical Centers (VAMCs) will implement a mail-out system to process beneficiary travel mileage reimbursement claims. Performance or fuel economy. You can see that at light loads 50 degrees isn't unreasonable. 6 provides the most power but not sure if this is right for my engine or VW engines in general. Maybe as lean as 15. The 185's made more torque from 3000 all the way too 6200 were both engines peaked, the 185's making over 20ft-lbs more torque. AFR (advisory fuel rate) payments are the expenses company car drivers can claim for travelling on business in the vehicle provided by employers. A naturally aspirated engine should run an air/fuel ratio of around 12 - 13:1 at peak torque. 5:1 compression on a proper. Is it worth my while to have them adjust this again. •Air-conditioning. Operating Fund is break-even, at-best Capital Fund supplementsCapital Fund supplements No NOI No ability to convert NOI into up-front debt Developments owned directly by PHADevelopments owned directly by PHA syndication=syndication not possible not possible Even with mixed-finance technique, no ability of PH units to support debt 2. Fast and free shipping on all orders!. At idle and normal cruise you want to be around 14. 7 in any Target AFRcell. It leaves Paris from Gare de Lyon, one of the city's six main stations, and takes roughly 15 hours, including a train transfer in Milan. Lambda and AFR are both indicators of an engines combustion mixture. Our test Chevelle was equipped with a Barry Grant 750-cfm Speed Demon carburetor that Tim Moore had spent a decent amount of time tuning for best idle mixture, but the part throttle results we saw were a bit of a surprise. My 10 year old 6 cylinder XLE (not Hybrid) gets about 22 around town, but have had it up over 35 on the highway. An optimal mixture gets maximum performance from your machine. 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. Keep in mind, if you have factory sized (or factory height) tires on the vehicle, there is no need to make any adjustment here. This value, however, is NOT ideal for all operating conditions of a Harley-Davidson motorcycle, or any engine for that matter. Then, the Dyno Jet Autotune automatically makes corrections to the air and fuel ratio based your current map. 05 MPG 60/40 hwy/city* *all gas mileage figures were the average of 4 consecutive tanks of fuel running basically the same route over a 4 week period. We offer a plethora of Sbf Afr Heads for your vehicle needs. I was planing on buying a wide band air fuel ratio gauge to help tune the carb on my Y block. The estimator can be found here: Gauge Availability Estimator. 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. What was interesting about the test was that all the heads preformed VERY well. 5:1, for best mileage. For best performance, fuel economy, and emissions, the engine needs to balance air-fuel ratio (AFR) with varying operating conditions, which can depend on driver demand, engine temperature, and engine load, to name a few. gains in fuel mileage. heads are 195 air flow reseach and intake is edlebrock rpm air gap,carb is 750 holley. 4 seems to work best. Best performance for most vehicles is with an AFR around the 12. 7 AFR gasoline, or 1. I believe a dry kit is the best choice for applications from 60-100hp. 5 AFR - Lean Cruise 16. The AFR gauge provides the user an analog view of air/fuel ratio values between 10 and 16. AFR's for best power? performance & modifications. It was intended as a low performance, high-torque engine primarily used in Chevy's heavier passenger cars and light-duty trucks. Tuning for Mileage by Mike Holler (mpgmike) So you installed the Acme Fuel Mizer, the Presto Mileage Maestro, Sparky plugs, and a few other devices all claiming up to a 30% increase in mileage, but you are only seeing maybe a 10% gain. Ignition Timing for Modified Engines An often neglected but important area when tuning an engine is the ignition system. To call them when the short block is done with the specs they will help figure out what I need. They are used to establish an organization’s internal. An air/fuel ratio of around 14. The RSR Air/Fuel Ratio gauge is the best tool to provide these answers. "Your mechanic" is very fortunate to have Arturo Lopez represent your company. Toyota Safety Connect ® depends on an operative telematics device, a cellular connection, navigation map data and GPS signal strength and other factors outside of Toyota's control, all of which can limit system functionality or availability, including access to response center and emergency support. I like the 3. Drakshayani, K. Two years of intensive studies, following masters and hours of testing on alpine roads…I’m looking back what I used to do wrong as beginner and what sort of disillusion I’ve been. Fresh rebuilt 289 V8 with aluminum heads. This normally takes the form of injector shut-off, with the shut-off often occurring at mid-rpm (such as 3000-4000 rpm) and the injector operation re-starting at 1200-1800 rpm. A broken O2 sensor in the exhaust manifold will lead to lowered fuel economy. 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?. Newer cylinder heads with fast burn characteristics generally. hi need help to pick the best cam for my engine build. Dynojet Auto Tune Kit for Power Commander and Power Vision. If you drive your car normally and tune the engine regularly, you can increase the spark plug gap by about 0. By doing this you can automatically tune the cruise area for best fuel economy while at the same time achieve maximum power at wide open throttle. 010" for better performance and better fuel economy. A motoring portal which lists new car prices and specifications, used car search, new car comparisons, car picture galleries, car evaluations, vehicle financing and motoring news. While driving at an unknown speed, an abnormal noise was coming from the engine. Out of Range: 18. TPIS Customer Cars. CMS may also approve vehicle acquisitions that are in the State's best interests based on criteria in addition to mileage breakeven. 7 AFR : 1 Lambda. Pardon the mess. The top of the range model boasts an impressive fuel economy of 4. procomp electronics review with 57 comments: purchased a pair of procomp heads(#3021c) for my 454 chevy big block engine. Albanese Deputy General Counsel. Clients benefit from our core services of audit & assurance and tax. i have a k20a2 civic type-R with mugen airbox, toda race headers, spoon B-pipe spoon N1 in the back and RBC manifold. The higher the ratio, the more compressed the air in the cylinder is. Even with a turbocharger and 'spirited driving' I get 27-30mpg combined. WE'RE DRIVING YOUR BOTTOM LINE. I rarely use "Sport Mode. 7 to 1) Using NGK's wideband technology, the Powerdex AFX allows you immediate real -time display of your AFR so you may makes adjustments to. Take the carburettors and throw them in the trash if you want better fuel economy. Ignition Timing for Modified Engines An often neglected but important area when tuning an engine is the ignition system. 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. It’s very difficult to have a calm discussion about ethanol as a fuel. This vehicle is in excellent condition, as well as the interior and exterior of this vehicle. Saying which chip is best is like saying which is better Ford, Chevrolet or Dodge. The best fuel economy comes at 15. From what I understand, I can weld in a "bung" into the header and install the sensor, run the wires inside the car and watch the gauge then make changes in jet size as needed. Furthermore, it is important to know the AFR at which exactly all the available oxygen is used to burn the fuel completely or at least to the best possible value. Re: Best/optimum O2 sensor location? December 25th, 2011, 02:42 PM If not running a full exhaust you may need to make a slight turn in the pipe to have enough restriction for it to read, when we take the exhaust off Docs Car we have to put a 45* turn out on the end its all it takes to read still the same 4 inch tube. One should reset the Target AFR after tuning with both methods due to the AFR not being optimal for, in the case of narrowbands, high loads and in the case of widebands, fuel economy. Basic Fueling Guidelines. It is a good idea to run a richer AFR to not only avoid detonation, but also get the best performance. 55's did not hurt my gas mileage at all and they performed pretty good. The key to this system is to submit mileage on a regular basis and close, lock and submit each log within 5 days of month end. Three new CWT balance machines under one roof is a rare sight. To keep other air and fuel system parts clean, consider an intake system cleaner the next time you maintain your engine. i have a k20a2 civic type-R with mugen airbox, toda race headers, spoon B-pipe spoon N1 in the back and RBC manifold. · Loofahs is best-suited for cleaning large areas of skin, especially if you use a liquid-based soap. 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. A broken O2 sensor in the exhaust manifold will lead to lowered fuel economy. gains in fuel mileage. engine • Optimal AFR depends on TWC T • Possibilities for reducing fuel penalty: – higher NOx flux ratios during transient operation on vehicle –. 7 in the Target AFR cells. , that only affect the efficiency of the spark, but the. Dynojet has found that for the best compromise of fuel mileage and throttle. The fuel pump has to be able to keep up with the engine fuel demand @WOT. Electronic Fuel Injection (EFI) controllers for a number of powersport vehicles. One should reset the Target AFR after tuning with both methods due to the AFR not being optimal for, in the case of narrowbands, high loads and in the case of widebands, fuel economy. It was intended as a low performance, high-torque engine primarily used in Chevy's heavier passenger cars and light-duty trucks. 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. 7 is optimal. 7/1 you can see there is less air, which means the mix has got more fuel = Rich. 8 at high load/rpm areas; AFR’s around 14. It is not only important for any business to understand these rules but also to be aware that penalties for the inaccurate recording of business v private mileage enforced by HMRC can be significant. AFR, you will note that as the AFR gets leaner,. Usually people put 12. For simplicity, I will write it at a whole number with the :1 understood. Air/fuel ratios are typically measured using a so-called "wideband' air/fuel ratio sensor. Meaning, if you're using your WBO2 and determine. Exercising Ethics During Official Travel John S. EPA rated mileage for the stock engine with 4. General rule of thumb is to put the AFR where your car idles best - my criteria are that the car idles smoothly and doesn't smell very strongly of exhaust/gas. For the best results it is recommended to bring the bike to an Authorized Tuning Center to have them verify the AFR values. This will achieve the best fuel economy while supporting for lots of airflow. Short of that, you can do Second-gear bursts of 2 to 3 seconds each and have a passenger watch the meter. 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. 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. 2016 (delivered end of April ’17) I only briefly considered the dilsel as OE. also is a value of 16 leaner or richer or say 10 leaner or richer. American Express offers world-class Charge and Credit Cards, Gift Cards, Rewards, Travel, Personal Savings, Business Services, Insurance and more. How to Calculate Accident Incident Rate. This included AFR, Trick Flow, Edel, Dart and all the others. At idle and cruising you will see around 14. 2LSU AFR wideband sensor for monitoring and feedback of AFR and an on-board boost sensor to read vacuum or boost pressures up to 29 PSIG. 7, 6616 reviews), Enterprise (8. The best place for wide-open throttle (WOT) air/fuel testing is at the dragstrip. Our Best Pricing Manufacturers occasionally suggest that products be advertised at their suggested retail price. 5 air/fuel ratio. With 1,197 miles of coastline. The minimum required interest rate is called the Applicable Federal Rate (or “AFR”), sometimes the “arm’s length” rate. The information the AFR gauge displays is all you need to get the best fuel mileage out of your vehicle. TARGET AFR TARGET AFR AT IDLE Typically between 13. Meaning, if you're using your WBO2 and determine. All three checks show 12. Wish it wasn't SO SPENDY! I use it to keep track of my gas and mileage for my job which requires me to drive my own vehicle. Whats the ideal Air Fuel Ratio. If you are looking for a way to maximize fuel economy or power, you will probably need to do something more than vacuum gauge readings and reading spark plugs for tuning. Like the bus, the train syncs up with the Whittier tunnel openings; at most, you’ll wait a few minutes to pass through. e afr of 12. I also noted that after some time, I could change those values as I saw fit. Unfollow 427 chevy engine for sale to stop getting updates on your eBay Feed. Typical operating ranges of diesel engines spread between an air/fuel ratio of 18 and up to 70,. This is based off of vacuum and rpm which will equate to both vacuum and mechanical advance digitally in the ecu. When I finished the install on my C10, I set it as follows: 13. AFR is committed to providing an exceptional level of service to our clients whether they are a young professional or a growing business with a 100 car fleet. In most scenarios, a liquid and gas fuel burner achieves this desired balance by operating at 105% to 120% of the optimal theoretical air. 5:1 gives maximum power. 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. This included AFR, Trick Flow, Edel, Dart and all the others. #4 – Poor Engine Performance. If it is bad enough, you will get a check engine light and a code. On a street engine, cast iron heads help an engine reach operating temperature more quickly after a cold start (good for emissions and cold drivability), while retaining more heat for improved fuel economy and thermal efficiency. Three new CWT balance machines under one roof is a rare sight. com FREE DELIVERY possible on eligible purchases. The AFR gauge provides the user an analog view of air/fuel ratio values between 10 and 16. Garrett – Advancing Motion selects only the best distributor partners on each continent to uphold the values associated with the Garrett brand. AFR said the heads sell for $1375, and take 4 weeks to build. I'm very impressed with the software tools and installation manual provided with the tuner and my bike runs REALLY REALLY smooth now. HP Tuners, the home of VCM Suite and the MPVI since 2003. 900 intake valves, 1. Programming your vehicle with one of SCT's pre-loaded performance or fuel economy tune files is as easy as 1-2-3. 2 AFR - Safe Best Power at Wide Open Throttle 13. Fuel Management Buyers Guide for Harley http://www. The RSR Air/Fuel Ratio gauge is the best tool to provide these answers. However, if you drive at full throttle most of the time, you should reduce the gap by about 0. can use AFR diesel rates. Better Horsepower and Torque. The AFR gauge allows you to know exactly how well your tune-up is performing. Simply the Best Value FUEL ED ENGINE RATIO Compliance0 CONTROLS Ratio Controller Compliance Controls' AFR-FI air/fuel ratio controller is your best value for fuel injected, lean-burn natural gas engines. IAT is one factor used. AFR FULLY CNC'D 220cc HEADS. 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. This engine makes 573 HP and 537 Ft. require less manual intervention. The AFR+ can be used alone or in combination with your existing fuel controller or mapping software. 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. 6 RR, RPM Air-Gap. The AFR rates apply to all journeys on or after 1st June 2017 and for one month from the date of change, employers are able to choose to use either the previous or new current rates. the fact remains that the majority of "best results" on subaru FI boxers cluster around 11:1 on 93 octane for best torque. VIN 8F01C122699. Running rich (very low air/fuel ratio, excessive fuel) can cause a loss in power and fuel economy, while running too lean (very high air/fuel ratio, not enough fuel) may result in serious engine damage. Accurate mileage capture is essential to separate business and personal miles, and submitted mileage should be checked and signed off by a line manager in the same way as any other company expenses. 7 LS1 isn't much different). 55's did not hurt my gas mileage at all and they performed pretty good. HP Tuners, the home of VCM Suite and the MPVI since 2003. 500"), I'd get the mileage back. The AFR at Steady Throttle and Light to Moderate load is usually best in a range of 13. The NC750X is made for similar fuel economy and has a mid sized displacement. Some tuners say that LS motors run the best at 13. When I had my bike dynoed, I had not read all the info that is available on this site. Tuning a vehicle to the right air/fuel mixture can improve performance and increase fuel mileage. there was a 4 MPG difference!!! and this was just my normal every day drivingno real romping on it. For actual travel times, check out our timetable. Car rental, camper, luxury and 4x4 vehicles are available for hire on your next holiday to South Africa. · Loofahs does not need to be washed as often as washcloths; Cons of Using a Loofah · Because a loofah spends more time in the shower and generally never dries out, loofahs are notorious for being hotbeds of bacteria growth. BBF Intake Shootout! Well, gang, here is the *legal* version of the shootout. AFR's for best power? performance & modifications. Destination airport Date Time Choose. Borderline for part throttle. But that also firms up the argument that a cast iron head on an engine without detonation issues would make more power for the very same reason!”. AFR Control. Both trains can take you from Paris to Rome in about 11 hours, with two transfers in Turin and Milan. 900 intake valves, 1. Now perhaps you could if you were only building a track bike lean out the top because you weren't ever lean on the bottom but since best power is generally in the 12 - 12. Cleaner and more optimize engine directly contribute to better fuel economy. 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. Furthermore, it is important to know the AFR at which exactly all the available oxygen is used to burn the fuel completely or at least to the best possible value. efficient fuel economy is obtained at 14. 7:1 is called stoichiometric ; this term indicates that the proportions are chemically correct for best combustion. Also please ensure you enter the correct opening odometer of any new car and the closing odometer every month end. When you view an ignition loop at light to medium loads the drop off from best fuel economy when you overadvance is very gradual but when you retard the fuel economy deteriorates rapidly. FW Murphy India - Offering Afr-64L Lean-Burn Air-Fuel Control System in Pune, Maharashtra. 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. car is around 1750kg and will be used for street and. If there is no location within 300 miles, then select "All Bases". This combined approach allows you to focus on what you do best and what is important. 7 AFR gasoline, or 1. MFI has never been known for fuel economy and as a. Better Horsepower and Torque. It is normally when adding boost (turbo) that AFR #'s can be a problem. Solving RF Interference Issues in Sniper Installations Posted by Chris Myer 05/25/17 6 Comment(s) Holley Sniper EFI Instruction , In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). SSI by far is by far the best tune I have ever run. I rarely use "Sport Mode. 7 for best fuel economy. No matter your personal application, or your desired effect for sound and power, there is something we make to suit your needs. 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. Technically speaking, the higher the A/F ratio the better your fuel mileage, but most cars can only handle about 16:1 before overheating or engine damage as follow. 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. HMRC accepts that mileage allowances paid to employees, using their own privately own vehicles for business purposes, within the set limits attract no tax liability. gr is the official tourism web site for Greece, run by the Greek National Tourism Organisation, where you'll find information on the main tourist destinations, such as cities, beaches, as well as activities, events and much more!. do NOT contact me with unsolicited services or offers. any dodge ram people out there i just tuned my 2004 ram 5. 8 under load, get the best of both worlds. the difference between "lean best torque" and "rich best torque" can be closer at high engine speeds, so the best target a/f ratio for wot usage is between 12. I don't bother self calculating, I let the car calculate, I'm lazy. 7 in the Target AFR cells. •Headers with dual exhaust. Reserve your international flights among more than 500 Air France destinations worldwide. 7, can go leaner for better fuel economy but it really depends on what your motor likes. Most naturally aspirated four stroke engines, running pump gasoline, make the best horsepower at an AFR between 12. The best combustion efficiency occurs at the optimum air-to-fuel ratio and controlling this provides the highest efficiency. Getting The Basics. - I have known some tuners to tune highway cruising values to as high as 15.