At the heart of the sprint was a 16valve version of the dolomite 1850 engine shared with saab. Triumph dolomites classic car how to guides and articles. Triumph dolomite sprint engine running without rocker cover. Or daz alg1k builds a wicked cosworth motor and didnt he build a quick sprint motor as well. Triumph dolomite sprint 1973 80 considering the debacle that was british leyland during the 1970s, its miraculous that any cars at all were produced by this troubled organisation, let alone something with the character of the triumph dolomite sprint. The 1850 engines the sprint one but with a conventional head, rather than the 16v one, so for a start its a crossflow design unlike the triumph 1500cc sc engine. Triumph dolomite sprint engine running without rocker. Triumph dolomite by matthew vale book read online scribd. This engine was designed by blmc later bl who used it themselves in 1972 by installing it in the triumph dolomite 1850cc. The triumph dolomite sprint swindle unique cars and parts.
But when the dolomite sprint was launched in june 1973 it caused a stir. I met the owner at local scrap yard after reading about the conversion in hot car magazine and he told me originally he simply wanted to fit a 1850 dolomite engine but his insurers wanted a huge premium. Triumph dolomite and sprint manual gearbox components sprint we have listed here a selection of major gearbox components. Results were good in testing but production was less successful leading to the original model, the dolomite 5, being usurped with the sprint title. A few preproduction tr7 sprint models received the sportier sprint engine in 1977. Triumph dolomite sprint engine retro engineering ltd. Manufacturers of triumph dolomite parts and components. Triumph dolomite performance parts, tuning parts and styling. Triumph dolomite sprint 19731980 performance car guide. The 1850 engines the sprint one but with a conventional head, rather than the 16v one, so for a start its a crossflow design unlike the triumph 1500cc sc engine putting the exhaust manifold on. The triumph tr7 sprint is a prototype vehicle developed by triumph fitted with the potent 2.
We also stock a comprehensive range of parts which are too numerous to list here. 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. Sprintspeed is a company that designs and manufactures up rated competition parts for the dolomite sprint. Free car consumer reports guide on buying triumph dolomite sprint auto vehicle products and services, vin number, autocheck, kelley blue book and the history of triumph dolomite sprint cars from classic, exotic, used, new to prototype model cars. Rob showed me a couple of stub axles that hes had made.
These allow the triumph vertical link to use ford hubs. Triumph dolomite sprint, reg orw755w taken at the british motor museum 2020. I have been hill climbing, sprinting and racing my dolomite sprint for nearly 20 years. It covers the triumph dolomite sprint which was in production from 1973 to 1980. The engine was suppose to put out over 5bhp, but the production line quality was below par and engines actually put out between 125bhp to bhp. The sprint used a hybrid 2litre 16 valve tune of the conventional dolomite engine which in turn was a development of the earlier unit it. The 4 cylinder, single overhead camshaft naturally aspirated engine has 4 valves per cylinder and a displacement of 2 litres. Triumph dolomite sprint free vin check, vehicle history. Triumph dolomite sprint repair operation manual pdf download.
The triumph dolomite sprint is a rear wheel drive motor vehicle, with the powerplant placed in the front, and a 4 door saloon sedan body designed by michelotti. Air filters are the first step to tuning any engine. Labelled a lame duck by some, the powerful dolly was nevertheless a motor sport success, particularly trackside. Went to have a look at this 1973 dolly sprint in emsworth. Apr, 2015 the australiandelivered dolomite sprint highlighted everything that was right and wrong about the british industry in 197576. Officially the engine gives a regular and useful 127bhp, but reliable sources claimed that well built and tuned engines, with stock components, had been known to give a sustained 150 bhp on the factory test bed, without any hint of valve gear failure. I thought that was high until i gazed at the fia yellow book for 1978 and found that. Triumph dolomite 2000 sprint technical specs, dimensions. Sir, i own an april 1974 dolomite sprint which has now done in excess of 30,000 miles. To us dopey romantics, theres still something rather appealing about a car that married a fusty, faintly municipal outline with shrill 70s colours and qcar performance. I was very disappointed to read of your own experiences as my example has been very reliable and indeed is the only car that i have owned that i still enjoy driving after two years of use. This triumph factory repair operation manual has been prepared to provide the service operator with the necessary information for maintenance and repairs. The principle is simple, the more air you get in the engine, the more power you get out.
The triumph slantfour is an inline fourcylinder petrol car engine developed by the triumph. It was one of the fastest production saloon cars in its day. Matthew vale has been writing books on classic british motorcycles and cars. Follows the rebuild of my sprint engine which just recently decided to drop a valve into the combustion chamber. What is the top speed of a triumph dolomite 2000 sprint. In this format the engine developed a staggering 127bhp which gave the car a top speed of 115mph however reliable sources claimed that well built and tuned engines, with stock components, had been known to give a sustained 150 bhp on the factory. Triumph dolomite and sprint manual gearbox components sprint. This car did accrue both the british saloon car championship manufacturers and drivers crowns, after all. Triumph dolomite sprint 19731980 first mass produced 16 valve engine. Unipart and the dolomite sprint fourvalvepercylinder, sohc motor. Although the dolomite proved to be refined and rapid, competitors such as the bm. Its body was recycled from a tiny 10 year old front drive model powered by a groundbreaking 16 valve engine built in a climate of industrial anarchy, costcutting and destructive internal rivalries.
Rotating parts are balanced, bolts changed where necessary. The h means it is a high compression unit and the e means it is an engine as opposed to a gearbox etc. Dolomite sprint engine for sale in uk view 51 bargains. View and download triumph dolomite sprint repair operation manual online. Find out how much slower your car is than the dolomite sprint. This is through ideas that we have had because of the need for non std parts, or developing ideas that other dolomite owners have had. The phoenix project on a fateful evening sometime in may 2002, whilst driving, there was a loud bang and a flash as i guess a fuel line caught fire in my dolomite sprint. The triumph dolomite 2000 sprint top speed is 187 kmh 116 mph. Ok may not deal in sprint engine s but may point you in the right direction. How much does a triumph dolomite 2000 sprint weighs. Aug 30, 20 the engine was started for a short while to try and determine the cause of a noise, but it was also a good opportunity to demonstrate how the sohc 16v valve assembly actually operates when the.
The truth was the dolomite sprint could really only claim to have eliminated four or eight of the rockers normally found in a fourcylinder sixteenvalve single o. The smallerengined triumphs were reasonably torquey lower down the rev range, but pretty gutless up top. Sep 29, 2017 dolomite sprint cylinder head cutting valve seats duration. A modelbymodel history of the popular triumph dolomite family, the range of. With special tuning tie bars now as rare as hens teeth, rob macgregor has had some adjustable front tie bars made, contact malc at the triumph dolomite club or rob at sprintspeed for a set. The donor engine would be stripped, cleaned, bead blasted and deburred.
The engine numbers of the genuine tr7 sprints begin with ch and end in he. The engine was started for a short while to try and determine the cause of a noise, but it was also a good opportunity to demonstrate how the sohc 16v valve assembly actually operates when the. Order your triumph dolomite and sprint carburettor components. As a result of the use of this engine, the dolomite sprint has been claimed to be the. The new engine resulted in the dolomite sprint s claim as the worlds first truly massproduced multivalve car, winning a british design council award in 1974. It also serves as a reference book for service supervision and covers items of procedure for the guidance of.
Read unlimited books and audiobooks on the web, ipad, iphone and android. The engine was used first by triumph in the dolomite 1850, which appeared in 1972. What options are there, and where do you get tuning bits for a dolomite sprint. Classic triumph dolomite sprint the sporty version of triumphs saloon was a performance sensation if only it had been developed. Dolomite club replacement plug tubes and solid state voltage regulator are also fitted. The triumph dolomite 2000 sprint weighs 991 kg 2185 lbs. The triumph dolomite is a small saloon car produced by the triumph motor company division. The fast dolomite sprint confirmed triumphs position as the british bmw. Track test unipart march 783 dolomite motor sport magazine. 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 dolomite sprint has a 4cilynder, 2 litre, 16 valve sohc single overhead camshaft. The triumph dolomite club caters for all the four cylinder, small saloon cars produced by triumph from 1966 1980. Alloy carb mounts supplied by the triumph dolomite club have recently been fitted the front suspension has been polybushed with bushes from chris witor. The triumph dolomite is a small saloon car produced by the triumph motor company division of the british leyland corporation in canley, coventry between october 1972 and august 1980.
The dolomite club, keep a look out in the items for sale, and direct from the club itself. Triumph dolomite sprint repair operation manual brooklandsbooks. Ever since the introduction of the original tr7 in 1974 speculation had been rife as to whether triumph would answer calls for a high performance tr7 by shoehorning the 16 valve dolomite engine. From the archive the dolomite sprint classic motor monthly. Oct 09, 2014 years ago there was a dolomite or could have been a toledo with a rover v8. Tune in to learn more about vehicle safety in this podcast from. The 1973 triumph dolomite 2000 sprint has 129 ps 127 bhp 95 kw horsepower.
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