Aj6 engineering. AJ6 FAULT CODES AND IDLE SETTING.

Aj6 engineering 2, 3. uk. Jaguar XJS V12 1994 6. (similar to XJ12 Series 1,2,3 above) Large Bore Jan 20, 2003 · Subject: Re: [v12-engine] Objective report on my AJ6 Engineering mods. 6, AND 4. com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ Of course, all engines have weaknesses that only become apparent with time and the engineering of the Jaguar V8 is not without many positive attributes. 6 XJS (1983-87) EXCESSIVE RICHNESS AT IDLE & LIGHT THROTTLE. If adding components your best one stop source is AJ6 Engineering at Henshall Rd Bollington Macclesfield, Cheshire UK. The website also features a book, articles and a glossary on engine technology and Jaguar engines. AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire SK10 5DN, England Email ECU TESTING, REPAIRS & MODIFICATION. AJ6 ENGINEERING: HIGH QUALITY XJS EXHAUST SYSTEMS from AJ6 ENGINEERING. The design of the exhaust system is dominated by considerations such as refinement and, of course, emissions legislation. com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire SK10 5DN, England Email aj6engineering@ntlworld. The combination of quite large valves and cam profiles of modest duration, allied, in the case of the naturally aspirated 4 litre, to a variable timing mechanism controlling the inlet cams aj6 engineering PRESENT-DAY SUPERCHARGING - EXPEDIENCY OR EFFICIENCY? It is a constant source of amazement to the writers that companies such as Jaguar and Mercedes, the latter especially in view of its reputation for precision and efficiency, should market supercharged engines for which the supercharger selected, a Roots device, is probably AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire SK10 5DN, England Email aj6engineering@ntlworld. They had a bore and stroke of 90 mm x 100 mm giving the familiar size of 3. AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). Jan 21, 2025 · Few people buy a Jaguar to indulge in tyre smoking races from traffic lights. Really there was not a lot of point in soldiering on with makeshift solutions when what was really need was a completely new engine, but this embryonic head AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire AJ6 ENGINEERING: A COMMON PROBLEM WITH THE EARLY 3. 2. They made a Big, Big improvement in performance and sound for the car. . So needless to say I am somewhat puzzled, I thought that aj6 engineering SUSPENSION AND BRAKES From the early 1960s to the present day virtually all serious racing cars have used the classic double wishbone suspension arrangement, or a close variation on the theme. ===== The archives and FAQ will answer many queries on the XJ series… A feature of the AJ6 engine is that the camshafts lie outside the head bolts, which pass through the camshaft bearing caps. We developed a throttle position sensor kit for early V12 HE and 3. com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ Lucas undertook this work and the system was successfully introduced in 1975 and this is all chronicled elsewhere on the AJ6 Engineering website. AJ6 Engineering is a small business run by two partners, Roger Bywater and Ray Timmins, who have worked together since 1980 on Jaguar engines and electronics. 0L). I hear you loud and clear on the 4. I wanted AJ6 to repair the old style ECU or buy one from AJ6 along withtheir new styled TPS. 8 litres and introduced the idea of the head bolts passing through the cam bearings, a feature of the AJ6 engine. JAGUAR 3. This results in a valve angle of 47 degrees so it is a relatively wide angle design, wider than some 2 valve hemi-heads, but notably the Coventry Climax flat-16 GP engine created by much the same design team 16 years or so WELCOME TO AJ6 ENGINEERING. AJ6 FAULT CODES AND IDLE SETTING. The imposing V12 engine in it's early, carburetted form attached to an automatic gearbox. The first generation of Fuel Injection ECUs in the late 1960s and 70s used analogue techniques employing resistors and timer circuits to produce rather basic fueling laws which were 'best matched' to the engine requirements. 9, 3. This results in a valve angle of 47 degrees so it is a relatively wide angle design, wider than some 2 valve hemi-heads, but notably the Coventry Climax flat-16 GP engine created by much the same design team 16 years or so 4. AJ6 large throttle body kit. Cold Air Intake System see: (Installing Cold Air System). It's not even the money, it's the time. com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ aj6 engineering PRESENT-DAY SUPERCHARGING - EXPEDIENCY OR EFFICIENCY? It is a constant source of amazement to the writers that companies such as Jaguar and Mercedes, the latter especially in view of its reputation for precision and efficiency, should market supercharged engines for which the supercharger selected, a Roots device, is probably V12 ARCHIVES. The final V12-powered Jaguar, with ancestors: XJ13, Series III 'E' type, About AJ6 Engineering AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). In reply to a message from Wayne Estrada sent Thu 23 Jan 2003: This leads me to an important question for the list, which may be better cross-posted to the Pub : What is the fastest way from 0-60 with an Auto box ? just stick it in Drive and floor the accelerator. Hardly a week passes without at least one person AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). Already have over-axle pipes and rear s Nov 20, 2000 · A couple of postings have listed AJ6 Engineering as a place to contact for performance modifications for XJ’s. aj6 engineering THE JAGUAR AJ6 ENGINE - 3. AJ6 ENGINEERING: HIGH QUALITY XJ40/X300 EXHAUST SYSTEMS from AJ6 ENGINEERING. It is recommended reading for those who wish to develop a thorough understanding of EFI systems because it laid down all the ground rules for the systems that followed. I’d be interested to know: which (all? some?) of the modifications were applied Few people buy a Jaguar to indulge in tyre smoking races from traffic lights. Notable are the triple SU carbs on each bank leading onto downdraft inlet ports between the camshafts and also the pair of 6 cylinder distributors. Sep 30, 2015 · I just wanted to post a message about upgrades I purchased from AJ6 Engineering. Many people think that the exhaust system on a modern Jaguar is a little too quiet for a car with high performance pretensions and it is quite possible to obtain a reasonable increase in performance allied to a pleasing exhaust note without becoming an antisocial monster. I sent two e-mails over a period of one week and as of this post I have not recieved a response to either of my e-mails. 0 litre. 6 - LUCAS 9CU SYSTEM. 4. this time showing the removal of the ECU and installation of the AJ6 Engineering ch About AJ6 Engineering AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). The combination of quite large valves and cam profiles of modest duration, allied, in the case of the naturally aspirated 4 litre, to a variable timing mechanism controlling the inlet cams AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire SK10 5DN, England Email aj6engineering@ntlworld. Their recommendations include. AJ6 Engineering. Fitting and rambling on about fitting the Stainless Steel Aj6 front end to my exhaust. 1. AJ6 ENGINEERING: MISCELLANEOUS ITEMS. 0L, but I’m more concerned with the 4. Jun 27, 2006 · I am sure that this post will illicit many responses about the service from AJ6 engineering. AJ6 TT Extractor header and large bore exhaust systems Mar 19, 2002 · I have read Roger Bywater’s opinions on the XJ-S List about the ‘upgradeability’ of the AJ6 engine, and I am wondering if there is anyone on the Modern List who has the engine modifications offered by AJ6 Engineering on his or her AJ6 engine (either 3. com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ Former power units engineer at Jaguar, Roger Bywater of AJ6 Engineering analyses this famous power unit and takes us through its design evolution from 1971 to 1997. 0 LITRE The AJ6 engine can be thought of as almost a hybrid, owing much to both the old XK twin cam and the later V12. The AJ6 was designed to replace the successful and long-used Jaguar XK6 engine , and was introduced in 1984. An early road going V12 prototype displaying a strong family resemblance to the XK. AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire SK10 5DN, England Email aj6engineering@ntlworld. Harry Mundy retired from Jaguar soon afterwards and Jim Randle was appointed Director of Production Engineering. These systems are unique and are only available through AJ6 Engineering or its trade outlets. Lucas OPUS. co. Feb 21, 2021 · Jaguar XJS V12 1994 6. AJ6 Engineering offers high quality products and services for Jaguar enthusiasts, such as induction systems, exhaust systems, electronic control units and tuned exhaust systems. The Background. The great British ART of detuning Jaguar engines by Mr Bywater, AJ6 Engineering. aj6 engineering V12 JAGUAR THROTTLE LINKAGE ADJUSTMENT The early injected version of the V12 built from 1976-80 with a Lucas variant of the well tried Bosch D Jetronic injection system was particularly critical about having the throttle linkage correctly adjusted. com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ Several examples of the new engine began to take shape in the Engineering Department but it was not until 1979 that a complete 24-valve (4 valves per cylinder), twin-overhead-cam, 3. Nevertheless, it is a fact that even the illustrious V12 struggles to keep pace with the more lively volume produced cars in many urban traffic situations. AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire AJ6 Engineering, 60, Henshall Road, Bollington, Macclesfield, Cheshire SK10 5DN, England Email aj6engineering@ntlworld. A Practical Guide from AJ6 Engineering. AJ6 Superchargers Halves Lane East Coker Yeovil BA22 9JJ UK Tel/Fax:-0044 (0)1935 862260 email:- prid@alien9988. Photo: Jaguar Cars. XJ40 Saloon Exhaust Systems XJ40 2. About AJ6 Engineering AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). The AJ6 (Advanced Jaguar 6-cylinder), and the similar AJ16, are inline-6 piston engines used by Jaguar cars in the 1980s and 1990s. I purchased the SE Large Throttle Kit (which includes a CPU upgrade as well as enlarged throttle bodies) and the TT Exhaust System. A new engine was completely out of the question - experiments which eventually would lead to the AJ6 engine were in an embryonic state yet to drop the V12 and fall back on the ageing XK was clearly not a viable alternative. See the options and prices for different years and models of XJS cars. Replacement Throttle Position Sensor (Potentiometer). HOW TO CONVERT A V12 E-TYPE to FUEL INJECTION. 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 it's thirsty heavyweight AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). Please note: New website at aj6engineering. com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). com, Tel/Fax:- 0044 (0)1625 573556aj6engineering@ A feature of the AJ6 engine is that the camshafts lie outside the head bolts, which pass through the camshaft bearing caps. January 2004. One of the first fully electronic systems to become established was Lucas OPUS which was initially proven in racing at Formula One level and then entered production on the Jaguar V12 - an engine for which contact breakers would have been totally impractical. V12 IGNITION SYSTEMS. 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. 3 V12 - 1975-1991. 6 & 4. AJ6 Revised intake manifolds with longer runners. Jaguar never intended that their V12 power unit should be fueled other than by electronic injection but the proposed AE Brico system (also under development for the Aston Martin DB6 and the Ferrari Dino) was cancelled at a very late stage. See the details of the PLUS-FLOW, PLUS-TORQUE and LARGE BORE EXHAUST SYSTEM options. Learn how to improve the airflow, torque and power of your Jaguar AJ6 engine with various modifications and conversions. It was never intended that the Jaguar V12 power unit should be fueled other than by electronic injection and it is only of historical significance to mention that the promising AE Brico system around which much early work revolved was killed off at a late stage. XJS Exhaust Systems XJS 5. A brief account of ECU evolution. WELCOME TO AJ6 ENGINEERING. high quality exhaust systems from aj6 engineering We now offer a wide range of high quality stainless steel exhaust systems for most modern Jaguars from the 6 cylinder E type to the latest XKR 4. 6L or 4. uk" or via:-AJ6 Engineering. 6 About AJ6 Engineering AJ6 Engineering provides products to improve the responsiveness and performance of your modern classic Jaguar (E Type, XJS, XJ6, XJ12 & early V8s). 6-litre AJ6 unit was ready to be bench tested. 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. Another really really well edited video . Feb 15, 2021 · When I rang AJ6 Engineering, I came away with the impression that the issue could be corrected entirely with the ECU, I was not advised to check compression but then again nor did I ask. freeserve. Also JaguarSport XJR models Oct 8, 2002 · WELCOME TO AJ6 ENGINEERING / AJ6 Engineering Few people buy a Jaguar to indulge in tyre smoking races from traffic lights. One of my XJS’s is an 1984. READING FAULT CODES. AJ6 Engineering offers various exhaust systems for XJS models with V12 and 6 cylinder engines, including TT extractor torque boosters, low loss catalysts, and twin tail silencers. They offer conversions, modifications and repairs for XK, V12, AJ6 and V8 engines, as well as superchargers and emission control systems. 0. Who are they and how can I contact them? Vic. kufzn jawsn evl qhf nlwdo ymgjyx ehi qugqlhuh mzpncaua ivucsg