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Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be mutually exclusive; an engine may be de-tuned with respect to output power in exchange for better economy or longer engine life due to lessened stress on engine components. Bolton CAR BOOT SALE, Bolton. 10,550 likes 15 talking about this 561 were here. If you are experienced or even a first time booter, our friendly staff will look forward to seeing you.
In this Forza Horizon 4 Drifting Guide, we will show you the basics of drifting in the game, and how you can master the technique to drift turn in and turn out every corner of the drift zone in the map.
Drifting in Forza Horizon 4 is vital and you will need to nail some drifts throughout the map with drift zones. Drifting awards you medals; Gold Silver and Bronze, but also puts you up into the leader boards where you can compare or even sit at the top 10 list of points.
Our guide will show you what settings you can use for drifting in a car, how to practice and what racing lines you should take when approaching a corner while drifting.
Practice Makes Perfect
Just like in real life, drifting doesn’t come easy in the game; you have to know how a car will react and where the weight shift will turn the car. You should be aware when to hit the hand brake and be ready to counter steer once the car is about to over steer.
Before you begin practicing, make your car setup so that it allows you to drift rather than keep the rear end of the car stuck the same position. Additionally, head onto areas that offer some width that allow you to take wider turns while drifting, and correcting any errors in between.
What Car to Choose?
Get a car that is front engine and rear wheel drive. Cars with such specifications offer an easy way to get the rear end out and drift. We suggest you get Formula D Car Pack as it comes loaded with Drift specific vehicles. If you do not want to opt for the Formula D Car Pack, the game already has plenty of drift cars such as the Nissan Silvia which has many variants included in the game and they can be built to any drift spec.
Why the Nissan Silvia series? Well they offer decent amount of power, it’s a front engine rear wheel drive, and really fun to toss around the track. You can choose any car of such configuration.
Gameplay Assists and Settings
For drifting, you need a couple of things to make it easier for your car to drift. First of all you need to turn off your assists like Stability Control and Traction Control These are the things that do nott let a car lose traction and drift off, which is exactly what you do not want when you want to drift.
You can keep any type of transmission setting you like, be it automatic or manual, and can even turn on the ABS as it will have no major affect on drifting.
Start Drifitng!
Any beginner should start from the basics when drifting. Start by doing wide donuts where your drifts are controlled and your car can perform a wide circle around the whole area, and counter steering into the turn.
Donuts can be easy, but making these wide circles and keeping the turn consistent can be a challenge. Nonetheless, this is your best way to learn as a beginner.
Use your Hand-Brake
Hand braking plays a big role in drifting your car as it throws off the balance of the rear and that’s where the car starts to drift. Practice pulling the hand brake when you turn in from high speed and try to keep the car drifting in a long turn until your car makes a complete U-Turn.
Racing Lines
Racing lines play a big role when you enter and exit a corner. Taking racing lines will maximize your drift and prolong it enough to score decent amount of points.
For example, approaching a left hair-pin, keep your car as far right when you are about to enter the turn, while applying your hand brake and initiating a drift. Keep the drift in control and maintain it until the end, this will ensure a long and consistent drift through-out the hair-pin.
Tuning Setups for Drifting
Once you get better in drifting and can nail a basic drift turn, you can opt to modify your car to be a pure drifting vehicle. In the Game’s Upgrades/Tuning sections, play around by tuning your own car to make it drift better.
Alternatively, you can see if there are Tunes that you can download and use. If that is not your thing, you can just opt for supercars which are usually good at doing whatever you want them to do and that includes Drifting
If you want to read more guides on Forza Horizon 4, read the list below of each article we have below:
/cmt-bitcrusher-vst-download-free.html. This concludes our Forza Horizon 4 Drifting Guide. Feel free to use the comments section below to share your drifting tips with us.
Auto Engine Tune Facebook Login
Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. These goals may be mutually exclusive; an engine may be de-tuned with respect to output power in exchange for better economy or longer engine life due to lessened stress on engine components.
Tuning can include a wide variety of adjustments and modifications, such as the routine adjustment of the carburetor and ignition system to significant engine overhauls. Performance tuning of an engine can involve revising some of the design decisions taken during the development of the engine.
Setting the idle speed, air-fuel ratio, carburetor balance, spark plug and distributor point gaps, and ignition timing were regular maintenance tasks for older engines and are the final but essential steps in setting up a racing engine.[clarification needed] On modern engines equipped with electronic ignition and fuel injection, some or all of these tasks are automated but they still require periodic calibration.
Engine tune-up[edit]
The term 'tune-up' usually denotes the routine servicing of the engine to meet the manufacturer's specifications. Tune-ups are needed periodically according to the manufacturer's recommendations to ensure the vehicle runs as expected. Modern automobile engines typically require a small number of tune-ups over the course of an approximate 250,000-kilometre (160,000 mi) or a 10-year, lifespan. This can be attributed to improvements in the production process in which imperfections and errors reduced by computer automation, and significant improvement in the quality of consumables such as the availability of synthetic engine oil.
Tune-ups may include the following:
- Adjustment of the carburetor idle speed and the air-fuel mixture,
- Inspection and possible replacement of ignition system components like spark plugs, contact breaker points, distributor cap and distributor rotor,
- Replacement of the air filter and other filters,
- Inspection of emission controls,
- Valvetrain adjustment.
The term 'Italian tuneup' denotes the driving of a performance car, such as a Ferrari, by mechanics finishing the tune-up to burn out any built-up carbon.
Chip tuning[edit]
Modern engines are equipped with an engine management system (EMS)/Engine Control Unit (ECU) that can be adjusted to different settings, producing different performance levels. Manufacturers often produce a few engines that are used in a wider range of models and platforms. This allows the manufacturers to sell automobiles in various markets with different regulations without having to spend money developing and designing different engines to fit these regulations. This also allows a single engine tuned to suit the particular buyer's market to be used by several brands.
Remapping[edit]
Remapping is the simplest form of stage one engine tuning; it is performed mostly on turbocharged vehicles containing a modern Engine Control Unit (ECU). Almost all modern vehicles have an ECU, primarily supplied by Bosch or Delphi Technologies. The ECU has firmware that controls the various parameters under which the engine runs. These parameters include achieving the appropriate balance between fuel consumption, power, torque, fuel emissions, reliability and service intervals. Many factory firmware fail to utilise the full potential of the engine, and as such leave the end-user with an under-tuned engine.
Many manufacturers build one engine and use several firmware versions, known as maps, to achieve different power levels to differentiate vehicles that essentially have an identical engine. This gives users an opportunity to unlock more potential from the engine with a few changes to the factory software by reading and editing the factory firmware from the ECU using specialist tools plugged into the on-board diagnostics (OBD) port. The tools can be connected to the OBD port on any car to read the factory file that is saved on the ECU. Software to read specific types of factory files is available.
Parameters of factory files such as fuel injection, boost pressure, rail pressure, fuel pump pressure and ignition timing, are adjusted to safe limits that are set by an expert so the unlocked performance does not compromise the car's safe levels of reliability, fuel consumption and emissions. The map may be customized for city use, for on-track performance, or for an overall map giving power throughout the band in a linear manner. Once adjusted, the edited file is written back to the ECU with the same tools used for the initial reading, after which the engine is tested for performance, smoke levels, and any problems. Fine-tuning is done according to the feedback, producing a better-performing and more efficient engine.
Remapping may increase the temperature of exhaust fumes.
Performance tuning[edit]
Performance tuning is the tuning of an engine for motorsports. Many such automobiles never compete but are built for show or leisure driving. In this context, the power output, torque, and responsiveness of the engine are of premium importance, but reliability and fuel efficiency are also relevant. In races, the engine must be strong enough to withstand the additional stress placed upon it and the automobile must carry sufficient fuel, so it is often far stronger and has higher performance than the mass-produced design on which it may be based. The transmission, driveshaft and other load-transmitting powertrain components may need to be modified to withstand the load from the increased power.
Some people are interested in increasing the power output of an engine. Many techniques have been devised to achieve this, all of which operate to increase the rate and sometimes the efficiency, of combustion in the engine. This is achieved by putting more air-fuel mixture into the engine, increasing the compression ratio that requires higher octane gasoline, burning it more rapidly, and removing the waste products more rapidly to increases volumetric efficiency. Air fuel ratio meters are often used to check the amount of the air/fuel mixture. The weight of this fuel will affect the performance of the car so fuel economy is a competitive advantage. The performance-tuning of the engine should take place in the context of the development of the vehicle.
Ways to increase power include:
- Increasing the engine displacement by one or both of two methods: 'boring' - increasing the diameter of the cylinders and pistons, or by 'stroking' - using a crankshaft with a greater throw.
- Using larger or multiple carburetors to create a more controllable air/fuel mixture to burn and to get it into the engine more smoothly. Fuel injection is more often used in modern engines, and may be modified in a similar manner.
- Increasing the size of the poppet valves in the engine, thus decreasing the restriction in the path of the fuel–air mixture entering the cylinder and the exhaust gases leaving it. Using multiple valves per cylinder results in the same effect, though it is often more difficult to fit several small valves than to have larger, single valves due to the valve gear required. It can also be difficult to find space for one large valve in the inlet and a large valve on the outlet side, and sometimes a large exhaust valve and two smaller inlet valves are fitted.
- Using larger bored, smoother, less-contorted inlet manifold and exhaust manifolds helps maintain the velocity of gases. The ports in the cylinder head can be enlarged and smoothed to match. This is termed cylinder head porting. Manifolds with sharp turns force the air–fuel mix to separate at high velocities because fuel is denser than air.
- The larger bore may extend through the exhaust system using large-diameter piping and low back pressuremufflers, and through the intake system with larger diameter airboxes and high-flow, high-efficiency air filters. Muffler modifications will change the sound of the engine, usually making it louder.
- Increasing the valve opening height (lift) by changing the profiles of the cams on the camshaft or the lever (lift) ratio of the valve rockers in overhead valve (OHV() engines, or cam followers in overhead cam (OHC) engines.
- Optimizing the valve timing to improve burning efficiency; this usually increases power at one range of operating RPM at the expense of reducing it at others. This can usually be achieved by fitting a differently profiled camshaft.
- Raising the compression ratio by reducing the size of the combustion chamber, which makes more efficient use of the cylinder pressure developed and leading to more rapid burning of fuel by using larger compression height pistons or thinner head gaskets or by using a milling machine to 'shave' the cylinder head. High compression ratios can cause engine knock unless high-octane fuels are used.
- Forced Induction; adding a turbocharger or a supercharger. The air/fuel mix entering the cylinders is increased by compressing the air. Further gains may be realized by cooling the compressed intake air (compressing air makes it hotter) with an air-to-air or air-to-water intercooler.
- Using a fuel with higher energy content and by adding an oxidizer such as nitrous oxide.
- Using a fuel with better knock suppression characteristics (race fuel, E85, methanol, alcohol) to increase timing advance.
- Reducing losses to friction by machining moving parts to lower tolerances than would be acceptable for production, or by replacing parts. This is done In overhead valve engines by replacing the production rocker arms with replacements incorporating roller bearings in the roller contacting the valve stem.
- Reducing the rotating mass comprised by the crankshaft, connecting rods, pistons, and flywheel to improve throttle response due to lower rotational inertia and reduce the vehicle's weight by using parts made from alloy instead of steel.
- Changing the tuning characteristics electronically, by changing the firmware of the EMS. This chip tuning often works because modern engines are designed to produce more power than required, which is then reduced by the EMS to make the engine operate smoothly over a wider RPM range, with low emissions. This is called de-tuning and produces long-lasting engines and the ability to increase power output later for facelift models. Recently emissions have played a large part in de-tuning, and engines will often be de-tuned to produce a particular carbon output for tax reasons.
- Lowering the underbonnet temperature to lower the engine intake temperature, thus increasing the power. This is often done by installing thermal insulation – normally a heatshield, thermal barrier coating or other type of exhaust heat management – on or around the exhaust manifold. This ensures more heat is diverted from the under-bonnet area.
- Changing the location of the air intake, moving it away from the exhaust and radiator systems to decrease intake temperatures. The intake can be relocated to areas that have higher air pressure due to aerodynamic effects, resulting in effects similar to forced induction.
The choice of modification depends on the degree of performance enhancement desired, budget, and the characteristics of the engine to be modified. Intake, exhaust, and chip upgrades are usually among the first modifications made because they are the cheapest and make reasonably general improvements. A change of camshaft, for instance, requires a compromise between smoothness at low engine speeds and improvements at high engine speeds.
Definitions[edit]
Overhaul[edit]
An overhauled engine is one that has been removed, disassembled, cleaned, inspected, repaired as necessary and tested using factory service manual approved procedures. The procedure generally involves honing, new piston rings, bearings, gaskets and oil seals. The engine may be overhauled to 'new limits' or 'service limits', or a combination of the two using used parts, new original equipment manufacturer (OEM) parts, or new aftermarket parts. The engine's previous operating history is maintained and it is returned with zero hours since major overhaul.
Aftermarket part manufacturers are often the OEM part-suppliers to major engine manufacturers.[1]
Engine Tune Up Specials
A 'top overhaul' is composed of the replacement of components inside the cylinder head without removing the engine from the vehicle, such as valve and rocker arm replacement. It may include a 'valve job'. A 'major overhaul' is composed of the whole engine assembly, which requires the engine to be removed from the vehicle and transferred to an engine stand. A major overhaul costs more than a top overhaul.
'New limits' are the factory service manual's approved fits and tolerances to which a new engine is manufactured. This may be accomplished by using 'standard' or approved 'undersized' and 'oversized' tolerances. 'Service limits' are the factory service manual's allowable wear fits and tolerances that a new-limits part may deteriorate to and still be a usable component. This may also be accomplished using 'standard' and approved 'undersized' and 'oversized' tolerances.[1][2]
Remanufactured[edit]
Remanufacturing means an engine assembled to match factory specifications. A buyer may sometimes take this to mean all-new parts are used, this is not always the case. At least the cylinder block will be used. High-quality rebuilds will often include the fitting of new pistons and the line-boring of the crankshaft and camshaft bores. Remanufactured engines are engines that have been damaged, they are sent to machine shops to be remanufactured to the manufacturers specifications.[3] Remanufactured engines are often known as Reman engines.
Blueprinting[edit]
Blueprinting an engine means to build it to exact design specifications, limits and tolerances created by its OEM engineers or other users, such as high-performance racing or heavy duty industrial equipment.
Because few have the capability to actually blueprint, and because of the monetary incentive of claiming one has performed the work, many people have come to believe blueprinting only means that all the specifications are double-checked. Serious efforts at blueprinting result in better-than-factory tolerances, possibly with custom specifications appropriate for the application. Common goals include engine re-manufacturing to achieve the rated power for its manufacturer's design and rebuilding the engine to make it more power from a given design than otherwise intended. Blueprinted components allow for a more exact balancing of reciprocating parts and rotating assemblies so less power is lost through excessive engine vibrations and other mechanical inefficiencies.
Ideally, blueprinting is performed on components removed from the production line before normal balancing and finishing. If finished components are blueprinted, there is the risk that the further removal of material will weaken them. Reducing the weight of components is generally an advantage provided balance and adequate strength are both maintained, and more-precise machining will generally strengthen a part by removing stress points. In many cases performance tuners are able to work with finished components.
History[edit]
Engine tuning originated with the development of early racing cars and the post-war hot-rod movement.
Tools[edit]
The 'Igniscope' electronic ignition tester was produced by English Electric during the 1940s, originally as 'type UED' for military use during World War II.[4] The post-war version, the 'type ZWA' electronic ignition tester, was advertised as 'the first of its kind, employing an entirely new technique'.[5]
The Igniscope used a cathode ray tube, giving an entirely visual method of diagnosis. It was invented by D. Napier & Son, a subsidiary of English Electric.[6] The Igniscope was capable of diagnosing latent and actual faults in both coil and magneto ignition systems, including poor battery supply bonding, points and condenser problems, distributor failure and spark-plug gap.[7] One feature was a 'loading' control that made latent faults more visible.
The UED manual includes the spark plug firing order of tanks and cars used by the British armed forces.[8]
See also[edit]
References[edit]
- ^ abMR, MR. 'Engine Overhaul Terminology and Standards'. Mattituck Services, Inc. Retrieved 20 August 2011.
- ^MR, MR. 'Engine Overhaul Terminology and Standards'. Mattituck Services, Inc. Retrieved 20 August 2011.
- ^'Remanufactured Gas Engine FAQs Jasper Engines'. www.jasperengines.com. Retrieved 2019-04-29.
- ^Instruction manuals published by The English Electric Company Ltd., Industrial Electronics Department, Stafford.
- ^Advertising brochure, page 2
- ^Edit by Mr. J. B. Roberts, May 1948, to note on page 7 of the brochure for the Model ZWA
- ^Early military and later commercial instruction manuals
- ^Manual for the 'Igniscope' UED tester, Appendix 1