Tr7 engine tuning bookshelf

A guide to racing your triumph tr7v8 or tr7 or tr8 a comprehensive 88 page performance tuning guide for the tr7v8. The tr7 transmission cross member with mount can be used but you will have to redrill the holes in the floor further back in the tunnel reuse the tr7 clutch slave, pushrod, pivot arm and hose reuse the manual steering rack tr7 5speed shifter housing if kept in the stock tr8 location comes really close to the back of the hole in the tunnel. The engine itself was fine, but being a canadian spec car later ended up in texas and then shipped back to blighty, the set up was down on normal tr7 power around 90bhp. With this shock you get a 30 point rotary adjustments providing the facility for fine tuning without the need to remove the shock absorber from the car. The bosch spark plugs showed the tr7 had at least one tuneup in its life.

A few preproduction tr7 sprint models received the sportier sprint engine in 1977. The triumph tr7 is a sports car manufactured from september 1974 to october 1981 by the triumph motor company which was part of british leyland in the united kingdom. In the real world the 2litre engine in eight valve tune developed not. The car was launched in the united states in january 1975, with its uk home. Triumph tr7 classic car how to guides and articles. With fairly simple tuning, john managed to get his tr7 up to 120bhp on the. I just bought a close ratio super t10 from a 70s pontiac. Cam followers are shared with a number of other engines, 1850 tr7 saab, rover 2300, 2600 and jag 2. Adjustable front strut set 2 by gaz for a triumph tr7 and tr8. The tr7 was powered by a unique engine, using the dolomite. As i said earlier it is easy but important to check the timing advances with increased rpm. Tuning data and specifications, repair and servicing of all components, and tools.

Both the tr7 convertible and the premium v8 version, renamed the triumph tr8, were introduced in 1979. Audioengine has been changing the way people listen to music since 2005. The stags v8 was the first of these engines to be fitted to a production car. Fast delivery worldwide payment options including paypal. Ecu remapping is a popular and highly effective way of getting enhanced performance from your engine. Our half race cams feature the same lift as the tl40 inlet cam.

Dennis vessey triumph tr specialists for over 30 years. It used the 127 bhp, 16valve, 2litre version of the triumph slantfour engine from the triumph dolomite sprint, a highly tuned version of which, rated at 225 bhp at 8000 rpm by 1977, was used in. Monza performance exhaust systems utilize the right combination of larger thanstock, 16gauge. Adjustable rear shock set 2 by gaz for a triumph tr7 and tr8. You will find some powered by sprint engines officially 60 were made which will make a tr7 almost as quick as a tr8. Lexan antishatter windows in clear, bronze or grey tint. Caterpillar 3508 big 35 liter v8 diesel engines running one with. Modern engine tuning achieves this end, and presents engine tuning as an art as well as a science. With compomotive splitrim alloy wheels 15in x 7in, compared to a standard tr7s in diameter and low profile bridgestone tyres, theres no shortage of grip. The tr7 was powered by a unique engine, using the dolomite sprints 2litre bottom end, topped by the normal 1850cc eight valve cylinder head, albeit still good for 105bhp us cars were only rated 90bhp and some 60 versions were fitted with full fat 16valve sprint engines. A variant of the tr7 powered by the dolomite sprint engine dubbed the tr7 sprint was developed, but never put into full.

Triumph lucas pi petrol injection tuning and calibration. Air filters are the first step to tuning any engine. Noteworthy are the chapters on cooling, exhaust and the ignition system. I know of a racing tr7 that runs the vauxhall 2 litre xe20 engine, which would probably be my choice. The volvo alloy engines are normally used with front wheel drive as in sv40, 850, sv70, s60 and others but can be converted to rear wheel drive using a volvo 960 gearbox. The other option would be a zetec 2 litre out of a mondeo etc. You can use one from a p6 or range rover but the earlier ones arent as strong and the range roverland rover ones have lower compression. While the tr7 s unit body and wedge shape were advertised by leyland as major improvements, these were offset by the tr7 s return to a fourcylinder engine and a live rear axle. Following our tuning tips you will avoid many of the common mistakes and actually achieve the car setup you desire. A bit of tr7 history, along with a compression test to learn more about this. When fitted to the dolomite the sprint engine has a va suffix, so it is easy to spot a genuine tr7 sprint engine, my own tr7 sprint, sjw 530s, has the engine no 117,this. The alternative to the above is the diy approach which most people favour. And, while tuning the triumphs fourcylinder engine isnt forgotten, it is perhaps not surprising that a large section of this new book is devoted to dropping a rover v8 into bls wedgeshaped.

Triumph tr7 performance parts, tuning parts and styling. We have a wide range of tuning articles covering all models of triumph from small engined family cars to large engine hot hatches and executive cars. This extra material provides you some leeway for a great. 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. Longbridges proposed triumph version was abandoned and plans to replace the mgb went on the shelf. A glamorous british sports car with a charismatic british driver. The triumph tr7 is a sports car which was manufactured from september 1974 to october 1981 by the specialist division latterly the jaguarrovertriumph division of british leyland in the united kingdom. Every unit is fully tested when dispatched from the factory with an individual dynamometer report to insure quality. The triumph tr7 is a sports car which was manufactured from september 1974 to october. And, while tuning the triumphs fourcylinder engine isnt forgotten, it is perhaps not surprising that a large section of this new book is devoted to dropping a rover. If you can put up with heavier steering, the 3 turn item is the one for fast cornering.

I could have rectified this by stripping off the stromberg carbs and reverting to a uk set up around 105bhp, but i wanted to try and do something a bit different, so. The engine numbers of the genuine tr7 sprints begin with ch and end in he. The tr7 was initially available as a coupe, with a convertible version being developed after the launch of the coupe. The triumph tr7 5speed gearbox is ideal and you can also use a sd1 5speed gearbox which are based on the same design but apparently some of them are. That puts the 3rd and 4th cyls inline with the shock tower. The exhaust flow of an engine has a direct effect on its performance. Want to improve the performance of your triumph tr7. Build products that sound great and make people want to listen to music every day.

A premiumgrade version using the rover v8 engine was developed as part of the same project. We provide all kinds of performance parts to dramatically increase the speed and power of your triumph tr7 or improve its look and feel. Retarded timing under load can damage the motora rough method is to set the idle to 20002500 rpm and slowly swing the distributor until the revs peak then retard it to lose 250 rpm. We believe in the power of music and our passion is to inspire you to listen every day. Here you will find everything from oem to custom made pieces to help you keep your wedge on the road for years to come. The b series engine block is almost identical to the o series and t series so its very easy to put in a t16 turbo mated up to an lt77 5 speed with a. A number of iterations of triumphs design went into production, notably a 2. The seat covers came back from dry cleaning and it is time to assemble the seats. While lacking the charisma of the old triumph engines, a good one, in tune, propels the tr7 quite nicely giving passable sports car performance that lies somewhere in between the tr46. Choose from rod bearings, pistons, rings, gasket sets, valves, guides and more. Gaz struts have a zinc plated body that resists salt spray and road grime and looks great. Consider fitting it with a brand new performance exhaust system from carid. The chapters are well planned and contain a wealth of detail, tables, and calculation methods.

The tr7 is actually a decent sports car and this much maligned gt has a lot. Air flow research billet cylinder heads, race ported w manly inconel 2. The v8 member of the engine family first appeared in a triumph vehicle in 1971, fully one year before the. New followers should always be used with a new cam, you can get uprated followers from arrow. What other engines fit a tr7 tr78 forum tr register forum. The h means it is a high compression unit and the e means it is an engine as opposed to a gearbox etc. Browse our catalog for tr7 brakes etc to save a huge on these tr7 motor parts. Timing at idle may not bear relevance to what is required under load. Find the best deal for tr7 brakes and other motor parts. Triumph stopped producing the slantfour when the tr7 was discontinued in 1981. The sceptics run a buick v6 in quite a few and theirs a huge amount of tuning bits for them around. Today we think of holly carburettors and offenhauser. Bear in mind that tuning parts, particularly for the sd1 engine, can add a great deal of money to the cost of. Find all your engine related parts for your vintage triumph motorcycle.

We have a vast stock of new and original engine components to keep your bike running strong an reliable. Triumph customs exhaust systems are built to pull exhaust gases away from the engine, in this way eliminating the hindrance that prevents the engine from generating as much power as it is capable of. This shows some of the work i have done to improve my triumph tr7. Even with all the emissions controls on my engine causing it to make maybe 1020hp more than the stock 2l, the car pulls much harder than the stock motor in lower rpms, and continues to do so throughout the rpm range. The heart of the wedge shops existance is serving up the best triumph tr8 and tr7 parts and accessories. British leyland launched the tr7 v8 rally car onto an unsuspecting british public and during its first season tony pond put bl motorsport back on top with a string of impressive results. It was initially produced at the speke, liverpool factory, moving to canley, coventry in 1978 and then finally to the rover solihull plant in 1980. A 2litre, 8valve tr7 has long been considered the poor relation in the tr line. The ecu map the car came from the factory with will often not be everything the engine can do but will instead have a bit of headroom built in to allow for variable fuel quality or lax servicing. While trying to decide what performance parts are right for your triumph tr7, whether it be brake parts, spark plugs or a new suspension, youll be inundated with a vast choice of performance upgrades at carid. You can pay directly by paypal using an existing account or a.