Posted on march 8, 2012 by ralph hosier i have had a lot of questions about setting up old jags for race and track day action, so here are a few answers for those that feel the need to experience the glory of a v12 on track. Jaguar xj6 build thread aj16 into a series xj in effort to sort out a more pragmatic project, im looking at transplanting the natural aspirated motor from an x300 xj6, the jaguar body style from 19951997 into my 1979 xj6l. The premium workmanship and outstanding motor output from jaguar guarantees loads of fun when it comes to driving. The factory tolerances were terrible even in the best of cases.
For the previous aj6 engines then there were some turbo modifications. Jlr vci jaguar and land rover diagnostic tool with jlr sdd v153 engineering mode software jaguar and land rover jlr vci diagnostic interface with jlr sdd v153 crack software. The jaguar manual shows 5w50 oil as being satisfactory for the aj16. Jaguar xf performance parts, tuning parts and styling accessories. We analyse your vehicle and can adjust the engine management programme, also known as the ecu engine control unit. The jaguar xetype is a sports car launched in 2011. There have been experiments to adapt the 4valve dohc head from the jaguar aj6 2.
The jaguar engine is merely at the start of its development cycle, because it can. Most modern standalone engine control units can benefit from the use of a wideband airfuel meter. This is linked with software reprogramming the instrument pack to cause the needle. One notable addition is the use of variable valve timing, a feature also shared with mazdas version of the engine. Add to that the wear over 50 or so years and theres room for improvement. Get your hands on the complete jaguar factory workshop software. The jaguar aj8 is a compact dohc v8 piston engine used in many jaguar vehicles. This fun can be even greater with the help of car chip engine tuning. Engine modifications the source for all jaguar information. When i worked at jaguar between 1988 and 1995 it was std policy to map the ignition. We do not change or add any hardware in your vehicle. Home of the emerald k6 aftermarket standalone ecu engine control unit or ems engine management system. Welcome to the jaguar engine management systems selfstudy course. Original jaguar part numbers many of the new parts on our shelves are factory originals and carry authentic jaguar part numbers.
Jaguar ecu remap jaguar chip tuning jaguar performance. Jaguar tuning and high performance modifications club. Any of these new jaguar ecu chips can get your vehicle roar down the road just like a real jaguar searching for pray. In many cases, the map stored on the ecus processor is accessed via onboard diagnostics port obd in the. Here at celtic tuning we have developed a full range of jaguar ecu remapping and chip tuning services for old and new models alike. Megasquirt support forum msextra jaguar v12 view topic. They will also advise on new developments and upgrades that will best suit your particular needs.
This engine software is largely responsible for the behaviour of the jaguar xj 5. One other thing i would mention is that on mine, there was a thick black lead running from the alternator to the large terminal on the starter motor. Apr 08, 2010 if extra strength is called for then the steel crank from the aj16 x300 engine could be used in a rebuild, or the complete aj16 engine perhaps. Throttle difficult to open on cold engine normally aspirated engines modify crankcase breather system 1712 recall t493 1995 myrecall r493 1996 my aj16 egr system replace proms and egr valve. Paramount performance was probably the first tuning company to specialise in the modern range of jaguar vehilces we have real heritage and history of working with jaguars, we have now developed into the leading modern jaguar. When you need a part for your jaguar e type we are the people you will want helping you.
Air filters are the first step to tuning any engine. In the dark confines of under the engine, it was difficult to see it pop off and away when i undid the nut on the terminal. Simply upload your car vehicle factory ecu calibration file to our revolutionary patent pending ecu tuning software. Or this is a quaint little story to show how using common sense, a bit of brains, very little cash, avoiding buying bullshit stuff from unscrupulous vendors, we can improve the original 6 cylinder xjs so much, to make it faster, nicer to drive and use 1 gallon every 60 miles less gas than its thirsty. Its impossible to see anything from above the engine. Celtic tunings jaguar tuning is custom developed inhouse which enables us to tailor it to your requirements and provide the best solutions on the market. Other than that there are certainly a lot of negative independant articles on the down tuning of the original aj16 design by jaguar themselvesbad head flow design, bad camshaft profiles, cast iron manifolds etc. Hi all i am considering re entering the jaguar fold with the purchase of a 1992 xjrs, it has some bubbling on the bottom of the front wings solid 2nd hand wings supplied with the car and a bit of lacquer peel.
If extra strength is called for then the steel crank from the aj16 x300 engine could be used in a rebuild, or the complete aj16 engine perhaps. Ok, so there is obviously more to it than that, but bolting on an induction kit can increase your cars power from 12bhp, up to 15bhp rolling road proven. Standalone ecu tuning tuning engine control units, article explains how lm1 can be used for tuning standalone engine control unitsecu. We have a wide range of tuning articles covering all models of jaguar from the older pre 1990 cars to the modern xf, xj and xk ranges. It assumes that the engine has been removed from the vehicle, in accordance with the vehicle service manual, and. Celtic tunings jaguar tuning is custom developed inhouse which enables us to tailor it to your requirements and. Vip design have jaguar xkr remap and upgraded engine management software ready to load, the vip upgraded engine software will deliver an additional 50bhp, and whats more, if you cant get to us we cant ship your tune in the post really. This engine software is largely responsible for the behaviour of the jaguar s type 3. It actually started out as a four valve conversion based on an updated version of the xk cylinder block but ended up as a completely fresh design using the v12 bore. Paramount operate the very latest range of car tuning and remap software and our dedicated team of car tuning engineers have years of experience working in the prestige and jaguar car tuning arena. Optimized for advanced ignition spark, airfuel ratio, transmission and various other parameters for the ultimate power gains and improved mpg. Jaguar tuning tips and modifications maximise your jaguars driving pleasure.
Find out how our chip tuning software can transform your jaguar. All identification and asap2 a2l verification is automatically carried out view and select your desired calibration settings including dpf removal and egr deactivations. Chiptuning for your jaguar engine tuning by racechip. Available with either the 5 speed manual or the 4 speed zf auto, again the auto can be modified for racing but the manual is a simpler option. Paramount performance already have an amazing range of jaguar xjr 5. Would any of the current options cater for this arrangement. The xjs engine also benefitted from a timing chain, rather than a belt. The v8 engine used in the xk8 and xj8 comes with nickasil cylinders. Jlr vci jaguar and land rover diagnostic tool with jlr sdd. Engine management tuning walkthrough full video youtube. The principle is simple, the more air you get in the engine, the more power you get out. The great british art of detuning jaguar engines by mr bywater, aj6 engineering. It is recommended that major engine modifications such as enlarged bore or stroke be attempted only by knowledgeable and experienced performance enthusiasts. Hi all, im new to ms and just want to clear up a few things before i start my build, the one thing baffling me at the moment is.
The aj6 advanced jaguar 6cylinder, and the similar aj16, were inline6 piston engines used by jaguar cars in the 1980s and 1990s. Engine check condition of cooling fan blades, hoses, the radiator and the aircon condenser. Valve timing setting gauge for aj6 and aj16 engine small 3 legged puller nubo british made xk engine top chain tensioner tool aj6, aj16 engines temporary timing chain tensioner tool aj6, aj16 dummy alignment studs for refitting head 4 piece oil extractor for engine. Performance camshafts since 1976, terrys jaguar has been in the business of supplying a wide range of parts for jaguars everything from xk120, xk140, xk150 and all xke etype parts models right through to the latest jaguars on the road. The contents of this selfstudy book also serve as your archival information for earlier jaguar engine management systems. We produce induction systems, exhaust systems and we reprogram electronic control units but we also. If problems are experienced during device use, always make sure that the latest device software and drivers have been installed. The aj6 engine can be thought of as almost a hybrid, owing much to both the old xk twin cam and the later v12. Yes, the basic lump in the last of the xjss is the same aj16 engine as the x300 saloon. If you are getting down because of the poor fuel economy or the high gas prices then jaguar performance chips will do you good by improving your fuel economy and you can check out what it is capable of doing on the gas mileage.
Diy modification to improve performance and fuel economy of aj16. Lewis kingston buys a fast jag for a fraction of the cost and finds out what itll do. We have years of experience tuning jaguar engines to optimise for performance and efficiency. The aj6 was designed to replace the successful and longused jaguar xk6 engine, and was introduced in 1984. A few of the basic applications are closedloop efi operation, tuning and setup, and. Jaguar car tuning tips and advice from classic models to the latest supercharged and turbocharged jaguar models. Full of explanations about how engine technology has evolved, especially in recent years, to deliver amazing levels of. In typical jaguar tradition, the new engine would first be used in a sports car. The jaguar ajv6 engine is a specialized version of fords duratec v6 engine. Jlr vci for jaguar and land rover diagnostic tooldf121.
However by the late 90s it was apparent to its new owner ford that jaguar needed a diesel engine option to compete against the luxury diesel models offered by main rivals bmw and. However it is unlikely to come undone if you use a heavy hammer andor impact tool and loctite. Flash programming of engine control modules ecms on xjs and pre2003 xj and xk models aj16, aj26, aj27 engines. The jaguar v12 engine and all 6 cylinder engines before the aj6.
Few people buy a jaguar to indulge in tyre smoking races from traffic lights. Or this is a quaint little story to show how using common sense, a bit of brains, very little cash, avoiding buying bullshit stuff from unscrupulous vendors, we can improve the original 6 cylinder xjs so much, to make it faster, nicer to drive and use 1 gallon every 60 miles less gas than its thirsty heavyweight. Emerald k6 ecu is fully user manageable through our easytouse software. The jaguar v12 engine was a v12 automobile engine produced by jaguar cars. Based loosely on an earlier design for an intended le mans car, the jaguar xj, it was first seen in the series 3 jaguar. The reason for this is that the more torque your engine has, the less hard it has to work to shift you and your jaguars weight. I initially implemented my bracket on the aj16 engine as the engine. Paramount performance is a name synonymous with the jaguar car marque and high performance engineering tuning. The 6 cylinder engines in the xjs were either the aj6 in 3. In 1997 it replaced both designs previously available on jaguar cars. A complete blueprint would be beneficial, not necessary, but helpful.
It was only the third allnew engine ever designed by the company. Engine modifications jaglovers the source for all jaguar. Home contact us is designed as an information resource and is not a forum. This engine software is largely responsible for the behaviour of the jaguar x type 3. The aj16 engine management system ems is controlled through a digital electronic control mod. Besides, the jaguar xetype provides excellent driving performance, professional handling and agile style. The later 4v per cylinder jaguar engines were a project of spen king, as. We strive to consistently deliver the highest quality products at an affordable price, providing our customers with the best value in the aftermarket industry.
Racing sport concepts rsc tuning is a company built upon integrity, customer service and cutting edge product development. The jaguar tool is a bar that bolts to the balancer and braces against the chassis to keep things rigid. Thats why many jaguar owners have opted for engine tuning. The cylinder spacing and bolt patterns are the same according to roger bywater, not because the aj6 was derived from the v12, but rather because. This is the website of aj6 engineering, bringing an exceptionally high standard of technical expertise to the supply of performance parts, electronic control units, our unique tt tuned exhaust systems and associated items. I guess that breaking out the angle grinder and using the 60222 could be the easiest solution otherwise.
Remapping your jaguar is a smart decision if youre a high mileage driver because it will improve fuel economy under normal driving conditions. For me the xj has to be in british racing green, any other colour just doesnt seem right to me. The vehicle has a luxurious interior with leather seats. Jaguar xj tuning the classic xj the xj is the very definition of what jaguar are to many, the xj had a long production run and is as quintessentially british as it is possible to be.
Megasquirt support forum msextra problem,jaguar 4liter. The jlr vci is suitable for use with all jlr vehicle models with the following exceptions. By installing a racechip car chip you can increase your vehicles performance and lower fuel consumption. In addition to the aj6 engine jaguar also produced a 6. Jaguar ecu remap jaguar chip tuning engine tuning dpf. Tdi tuning boxes unleash your jaguar jaguar has been building cars since the 1930s and for decades was synonymous with petrol engine sports coupes and luxury saloons. Megasquirt support forum msextra 6cyl jaguar 60111. It was the fourth new engine type in the history of the company. Remapping is a software change in which we modify the operating parameters in the vehicles ecu engine control unit program or map. All information provided is believed to be correct and it is given in good faith. Jaguar xe tuning and jaguar xe ecu remapping gives a power increases of around 40bhp depending on precise model with significantly better throttle. Purchased in october 2009 with 118,000 miles on the clock.
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