Jaguar aj6 engine tuning bookshelf

This sort of device spawned chip tuning where an eprom chip containing the. The aj6 advanced jaguar 6cylinder, and the similar aj16, were inline6 piston engines used. Ed abbott was a senior development test engineer at jaguar cars ltd for 12 years, and was directly involved in developing the xjs, series 2 and 3 xj6 12, aj6 engine, and the xj40 at jaguar engineering with norman dewis. Tuning xjs exhaust sound jaguar forums jaguar enthusiasts. My most recent work on the jaguar involves ignition timing. We guarantee you the best possible jaguar, jaguar stype ecu remapping results at the lowest possible prices. The 265bhp jaguar quoted was wide of the mark but engineers did achieve 344 genuine bhp on a race engine. For the x300 the engine was revised coil packs and a few other changes and called aj16.

The duratec v6 is an excellent engine and can be mounted to the getrag 221 gearbox from the stype jag for rear wheel drive applications. All bhp uk jaguar ecu remapping and jaguar engine tuning remaps are a result of 15 years combined engine tuning experience and a vast. The transmission while durable is the jaguars great weakness. It was running very nicely prior to decommissioning. The jaguar ajv6 engine is a specialized version of fords duratec v6 engine. 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. 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. We found that the torque, or midrange power, of the engine could be noticeably improved by subtle changes to the individual passages in the inlet manifolds leading to each cylinder. I have no engineering knowledge as to if it is possible but a nice jaguar 4.

Jaguar xj6 series 3 150hp racing performance works. The great british art of detuning jaguar engines by mr bywater, aj6 engineering 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 cousin. If there are any features of this vehicle that sets it apart from other vehicles in its class, then mention those unique attributes here criticisms. Add to that the wear over 50 or so years and theres room for improvement.

Jaguar xj6 series 3 150hp racing performance works dyno. Sep 16, 2019 if butchery or poor maintenance has the engine beyond salvation there are countless good sound engines to be found from sources including other xj6s suffering from the dreaded tin worm or victims of the dreaded butchery of engine transplants. We can guarantee absolutely to make any aj6 engined car considerably quicker. Few people buy a jaguar to indulge in tyre smoking races from traffic lights. Our jaguar stype ecu remapping and engine tuning system provides you with the most unique, accurate and advanced jaguar remaps available. We produce uprated induction systems for the v12, a range of exhaust systems and we reprogram electronic control units, which we also test and repair. A complete blueprint would be beneficial, not necessary, but helpful. The factory tolerances were terrible even in the best of cases. 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. There have been experiments to adapt the 4valve dohc head from the jaguar aj6 2. The lucasbosch d jetronic system found on the early 197680 v12 jaguar was. Aj6 engineering, 60, henshall road, bollington, macclesfield, cheshire sk10 5dn, england. This is a engine run and tuning session at classic jaguar on ruby, serial number 1e33801, done by ray and chris. 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.

If using criticisms from a reputable automotive source, then please make sure to cite the quote worldwide. 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. The straight six aj6 engine comes in four flavours, 2. This engine software is largely responsible for the behaviour of the jaguar x type 3. The jaguar xk is an inline 6cylinder dual overhead camshaft dohc engine designed by william heynes jaguars chief engineer and produced by jaguar cars between 1949 and 1992. Jaguar aj v6 engine promotional film xtypes aj v6 engine which is derived from ford duratec v6 and modified by jaguar. Bhp uk remaps are the most superior maps you ill find in the uk. This jaguar xj6 has been engineered to go sideways petrolicious. Classic jaguars top tuning tips classic car how to guides. Race preparation and jaguar consultancy abbott saab. I finally got the engine running yesterday hadnt heard it run until then so was unsure of the. The great british art of detuning jaguar engines by mr bywater, aj6 engineering. Full of explanations about how engine technology has evolved, especially in.

With the introduction of the aj6 engine in the xjs chassis came the availability of a 5speed manual transmission for the 6 cylinder cars. Duratec 30 jag v6 bare weight kg get all, im doing an engine conversion on a mazda rx8 and do have a mock up 2. It was only the third allnew engine ever designed by the company. Jaguar designed their v12 inlet manifolds originally in the 1960s when manufacturing techniques were such that pragmatism often took precedence over idealism. A lot of car for cheap but you need to be a fabricator as little is available off the shelf. We analyse your vehicle and can adjust the engine management programme, also known as the ecu engine control unit. The design and development of the engine, which resulted in an engine of both compact dimensions and high specific output are describ. Full 14 day money back guarantee fully mobile across the uk. Jaguar xj series performance car parts, spares and accessories. A comprehensive glossary is also included to explain some of the mysterious jargon of electronic fuel injection, exhaust emissions and engine technology.

The 6 cylinder engines in the xjs were either the aj6 in 3. When i do the motor change i am looking into headers and larger pipes, ill have a play with the middle mufflers and see what i get, but for now it doesnt sound to. This engine software is largely responsible for the behaviour of the jaguar s type 3. The v8 engine used in the xk8 and xj8 comes with nickasil cylinders. The aj6 advanced jaguar 6cylinder, and the similar aj16, were inline6 piston engines used by jaguar cars in the 1980s and 1990s. To get the damper off i used two levers against the sump casting naughty but its held in place by a woodruff key so slides off fairly easily. If butchery or poor maintenance has the engine beyond salvation there are countless good sound engines to be found from sources including other xj6s suffering from the dreaded tin worm or victims of the dreaded butchery of engine transplants. The jaguar xtype shares a common bond with the mondeo st220. This powerplant has an output of 205 bhp 208 ps153 kw of power at 5000 rpm, and maximum torque of 320 nm 236 lbft32. They will also advise on new developments and upgrades that will best suit your particular needs. The engines first application was in the xk8 sports car which went on sale in october 1996. Over the years, since its introduction in 1948, a replacement for the xk engine was always in. The original engine design can be traced back to the 1950s, and remained largely the. Engine modifications jaglovers the source for all jaguar.

Feb 16, 2007 jaguar aj v6 engine promotional film xtypes aj v6 engine which is derived from ford duratec v6 and modified by jaguar. Xj40 tuning and modification guide jaguar xj40 project. Our kits can be used to convert jaguar xj6, xjs, or xj40 models to tpi, tbi, carburetor, or lt1 chevy. Ive always wanted to see what i can make the xk engine do. 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. 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. Original jaguar part numbers many of the new parts on our shelves are factory originals and carry authentic jaguar part numbers. The xk engine is well known of course and the usual tuning methods naturally apply.

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 performance specialist worldwide. The jaguar xk is an inline 6cylinder dual overhead camshaft dohc engine designed by william heynes jaguar s chief engineer and produced by jaguar cars between 1949 and 1992. The contents of this selfstudy book also serve as your archival information for earlier jaguar engine management systems. If you want some bright upgrades to your jaguar xjs 4. Jaguar tuning tips and modifications maximise your jaguars driving pleasure. We have years of experience tuning jaguar engines to optimise for performance and efficiency. Its impossible to see anything from above the engine. Jaguar cars has designed and developed an all new v8 engine, the aj v8. Jaguar car tuning tips and advice from classic models to the latest supercharged and turbocharged jaguar models. Please do not send a mga wiper motor for exchange with a td wiper motor, do not send a distributor. 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. Our basic philosophy on jaguarv8 engine conversions is very simple. Jaguar tuning and high performance modifications club.

For me the xj has to be in british racing green, any other colour just doesnt seem right to me. Use the select your engine size, then your vehicle options to find parts to fit your jaguar xj series variant, or choose from hundreds of jaguar xj series parts below. The jaguar tool is a bar that bolts to the balancer and. Jaguars solution on the 6 litre xjs was to take the intakes over the top of the radiator but despite small tuning holes in the ducts to kill resonance, to some people those engines display an unpleasant low speed drone. So can you make sure that everything is lightened and balanced and put together as if in a hospital. This model with a getrag manual transmission was not imported by jaguar into the united states until 1994 and then only in extremely limited numbers. We have now expanded our services to cater for classic jaguar cars. The aj6 was designed to replace the successful and longused jaguar xk6 engine, and was introduced in 1984. Jaguar blueprinted its road test cars to achieve 150mph.

All bhp uk jaguar ecu remapping and jaguar engine tuning remaps are a result of 15 years combined engine tuning experience and a vast knowledge of the auto tuning industry. With a jaguar, you can have your comfort and reliability with a modern day injection system. Engine modifications the source for all jaguar information. Jul 07, 2016 this is a engine run and tuning session at classic jaguar on ruby, serial number 1e33801, done by ray and chris. Future plans with the vehicle include reconditioning of the engine with some increased 10. This jaguar xj6 has been engineered to go sideways. All jaguar tuning files are custom made and thoroughly tested on a 4x4 state of the art dynometer. 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 there was a plan to put the v12s h. One notable addition is the use of variable valve timing, a feature also shared with mazdas version of the engine. Chris on the carb side changed the needles from um to uo shortly after this.

Dont have the car anymore so all this stuff is on the shelf. Obviously the aim of engine tuning is to produce more power and. 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. Grublogger xjsstuff recycled jaguar parts engines and. As the xj uses superior three or four pot calipers depending upon car, just better pads may suffice. Please make sure to keep critiques in a thirdperson point of view.