This problem was already well known to other engine manufacturers e.g. Unfortunately, the company found itself just then under the newly formed British Motor Company umbrella. All you could see under the open bonnet was two massive, polished alloy camshaft On retrouvera notamment des versions "coupé" et "cabriolet" de la MG type A. Rowing the big, four-spoke steering wheel takes a bit of work, but the chassis feels very stable in the corners and seems to beg for more. What a cool post, and the first picture is awesome! 20;50;50;20 valve timings, and 0.375" lift. The engine also received a cross-flow cylinder head topped with shiny alloy cam covers, while twin SU carburetors fed it. No The original MGA used other parts from the Z as well, such as the transmission and drum brakes. At first it gave the MGA 68 horsepower, but output would progress to 78 horsepower. The MGA Twin Cam is finally the pearl it always wanted to be. Thanks to the high compression ratio, only the best fuel and most perfect ignition timing would suffice; lax owners would be rewarded with holes in the pistons. It was fitted with a ribbed, cast aluminium alloy sump, cylinder head, and front | Posted in The drivers were instructed not to exceed 6800 rpm during the race. Es wurden allerdings in den zwei Produktionsjahren nur insgesamt 2.111 MGA Twin Cams hergestellt. VB 16816 Neuruppin. MGA Twin Cam blev introduceret i September 1958 og blev lavet til Juni 1960. At engine number 315, the number of teeth on the gears on the half speed shaft and matching oil pump drive spindle were changed to reduce wear. Although the manufacturer had been slow to release a modern roadster, it countered that history with a most impressive introduction for the MGA, entering three prototypes of the car for Le Mans in 1955. Furthermore, the Twin Cam model can be distinguished by the special ‘centre-lock’ disc wheels, special seats and of course the Twin Cam designations near the bonnet and on the boot-lid. That still leaves plenty of revs for this engine to truly express itself, with the orange part of the tach only beginning at 6500 rpm and the redline itself marked at 7000 rpm-impressive for a 1959 car that normally wouldn’t be considered exotic. What can you expect in return? The engine was still fantastic for its day, and like many highly strung He also extensively and enthusiastically rallied it from the mid-’80s up until 2005. This was a long chain, and needed to be tensioned/timed correctly. The engine also had an unhealthy appetite for oil. MGA Twin Cam Black with red leather Registered -1st March 1959 This is a certified genuine UK right hand drive Twin Cam This car is the most stunning vehicle that I have ever offered for sale The paint work is beautiful Combined with the rich red leather, it has got to be one of the best looking MGAs on the ... 99,999 25th Nov 2020 . After all it was not the timing 12.12.2020. C $604.78. driven, not chain driven as on the ohv engines, so rotates in the car. By 1959 the Twin Cam had been developed into a production model, transforming performance from “adequate to potent” according to contemporary testers. Double valve springs are fitted. head quicker, and was a common fitting to WW2 piston engined figher Twin Cam roadsters finished second and third in class in 1959 before landing one more podium in 1960—the same year that a modified Twin Cam coupe took class honors at Le Mans. just managed 152mph. The car could reach 98 mph and accelerate to 60 mph in 15.6 seconds. On early cars, numbers 504 to 531, the starting (carberetors,) with pancake air filters and a cold air feed duct, on the Oddly, an open MGA Twin Cam (index PMO 326), road tested by The Autocar magazine in its 18 July 1958 edition only recorded a 0-60 time of 13.3secs with the standing quarter mile of 18.6secs. (And before you scoff at the price bump, get a quote on a Twin Cam restoration.). Standard MGAs built during the twin-cam’s reign were powered by a 1.5 liter, 68 HP in-line four (’58-’59) or 1.6 liter 79 HP in-line, four-cylinder engine (’60). With the ending of works participation in motor racing one of the EX182 1955 Le Mans cars was taken for an outing at the TT at Dunrod in Northern Ireland. The car is alive and well, and I've been vintage racing it for the last 8 years or so at various events in Canada and the US. seconds; Autocar magazine said 13.3 seconds. $80,000 via Bring a Trailer. MGA blev lavet med tre motorstørrelser. Within MG, work started on evolved, wider prototypes based on the TD special. De Twin-Cam modellen waren ook uitgevoerd met rondom Dunlop schijfremmen op alle wielen en kregen de zgn “centrelock disc wheels”. “I was sent off to a local garage to try to find some suspension parts to get the car going again and found a garage with a couple of ‘dead’ Twin Cams,” he recalls in Mike Allison and Peter Browning’s book, “The Works MGs.” These were, he continues, “All customers’ cars suffering from the dreaded engine problems. The cause was fuel frothing that leaned out the mixture, A 1588cc developement Twin Cam MGA beat a 2639cc 'C' series engined prototype Austin Healey 100/6 in the USA, in August 1956, in a record attempt. The engine used a normal 1489cc cylinder block but with a bore of 75.414mm. The mean maximum speed was 113.5 mph, with a best of 114.0 mph. The MG, EX179, did 170mph, the Healey just managed 152mph. MGA Twin Cam ENGINE Tech Also see TC General Info and TC Chassis and TC Off-site Links pages. Updated January 2012 by Mick Anderson. This was very boring for me, so when a Porsche 911S Targa went by at around 100mph I decided to give chase on the Austrian autobahm. Nice article on the Twin Cam. Well, this particular Twin Cam is a charmer. Over 1000 were exported to the USA. All fractures ceased and many engines were retrofitted with the new tappets. 2 € 20249 Hamburg Eppendorf. Zero to 60mph was in 11.5 seconds ( factory figure,) and in 1958 that Also, the required footwork takes a little while to learn. and then burnt out the pistons, the fault the engine became notorious Distributor drive gears would wear rapidly if the distributor was not fitted in position exactly as described in the Workshop Manual. MGA cars with both the Austin and Morris Twin Cam engines were entered in the 1955 Tourist Trophy event. The slightly flexible joint that results cures The enthusiastic press reports that followed meant that by the time the MGA made its world debut in September 1955 at the Frankfurt Motor Show, the public was already anxious and waiting. 12.12.2020. It was the first time in 20 years that MG had entered the race with a works entry. their manifolds. Straight-line acceleration isn’t even this car’s best performance attribute: It’s what it can do in the corners. The twin carburetors create a profound, deep growl as the Twin Cam engine accelerates effortlessly, and it really comes on song at 4000 rpm, that growl replaced with a rawer rasp. crankshaft, 'H' section forged 55 ton, alloy-steel connecting rods were Though I am a long time Twin Cam fan and owner ('59 RHD Roadster) the MGA's best finish at Sebring came in 1961 when the two 1600 Coupes entered came 14th and 16th OA in a 62 car field and 1st and 2nd in class. handle dog on the front of the crankshaft could foul the steering rack. The factory did make a mistake by forcing Thornley to produce the model in numbers before it was properly sorted out. It was a red coupe with a twin-cam engine. If you look closely at the engine bay of #43 you can see the external water passage between the rear of the block to the head. Er bringt 74 kW auf und eine Höchstgeschwindigkeit von 181 km/h. Dieser ist dem MGA leistungsmäßig um einiges voraus. I still have the number plate from the 1961 1000 mile rally run by the MG Car Club in NY. The 'camshaft' of "Règle confinement anti-propagation virale Covid-19 L’accès à notre magasin est suspendu jusqu'au 4 janvier 2021. It proved a troublesome and unreliable road car though, the vast majority of the 100,000-plus MGAs ultimately being powered by 1500 (and later 1600) versions of the standard B-series engine. Combine it with the four-speed manual box-synchronized in second, third and fourth-and acceleration is lively. These were the normal angled split big ends type, but without Autocar testers was obviously a poor one. Originally written by Neil Cairns, with lots of help from Bob Seymour's brother, Let’s cut to the chase, this twin-cam MGA … Features The car prepared for the engine bay. the vibrations. to drive. There was no place for two competing roadsters within the extended family, so the MGA went on the backburner. MG offered the Twin Cam in both roadster and coupe form. But for Den Green, the deputy foreman of the mechanics crew, the bad news was just beginning to arrive. Solution - flex mount the carbs = no more problems. These were pushrod powered cars not Twin Cams though the engine blocks were 1622 castings under bored to 1588 and there were no water passages between the block and head so they could run without a head gasket. The Twin Cam production ended in April 1960, after 2111 cars. In 1956, the first full year of production, the Abingdon factory was rolling out 300 MGAs per week. Compounding that disadvantage was the fact that the MGA Twin Cam turned out to be a bit of a nightmare to own. Breathing was always the limit on any engine's power output, The Twin Cam engine was based upon the standard 1500 B-series engine but extensively up rated and engineered. Help came from MG’s development department, which agreed to create an advanced-looking, lightweight body for the TD. This is the special 1950 cc engine I created for racing - always thought that the angled Jag style cam covers gave a nicer appearance than the flat ones on the Fords and Alfas. fitted to the Jaguar XK's. Nice to see an article on my favourite car. The solution, use Webers, or have the SU manifold They started doing that prewar on the blown cars and apparently some poor apprentice was designated to do the final lapping in by sitting there rubbing the head against the block using a bunch of valve grinding abrasive. an aluminium alloy casting, of the cross-flow design. Er zijn maar vijf verschillende types van de MG type A. with Webers did not. Also 5 holes were made in the front chassis crossmember to facilitate removal of the engine sump. It was At engine 2211 molybdenum was added to the tappet material. The unit from the Austin office had been designed from first principles, on a clean sheet of paper. Dad had some 8mm movies of the car that aren't the best quality but they are digitized and well narrated. The only catastrophic engine failure was about 15 years ago when an over stressed original bottom end fastener failed and a connecting rod put a whole in the side of the block. Deze MGA Twin Cam werd zowel als roadster als in coupé-vorm geleverd. the following 1956 ZB Magnette kept to the 68bhp unit. The inlet valves are 1.6" Thanks for posting that - I hadn't seen a pic of a dry decked block before. Perhaps more important, Gott reported that for the first time, he felt that he had a car that could challenge the Porsches and Healeys. Het meest bijzondere kenmerk van de Twin-Cam is natuurlijk de 1622 cc motor … These were pushrod powered cars not Twin Cams though the engine blocks were 1622 castings under bored to 1588 and there were no water passages between the block and head so they could run without a head gasket. It’s also an icon from a time when sports cars were defined by SU carburetors, wire wheels and those all-important cut-down doors. That’s what you’d call direct customer feedback. The new car found buyers eager for just that. A cure that MG never Apr 21, 2020 Early cars used the MGA/ZB Magnette�s 4psi cooling system, but later this rose to 7psi. The model quickly found success at Sebring, with three near-showroom-spec cars taking fourth, fifth and sixth in class in 1956; a Twin Cam won its class in 1957. This was the only time since the 1930s that MG had cars running competitively in their displacement class, and not to put too fine a point on it, they blew it. The camshafts were chain driven off the half speed shaft, itself driven by a gear on the crankshaft nose. Sleek was ready to move in. According to its accompanying British Motor Industry Heritage Trust Certificate, this 1959 MGA Twin-Cam Roadster is an original left-hand-drive export model completed during late October 1958. coincided with about 2500 and 5500rpm. the SU H6 bolt pattern. Buy It Now +C $30.83 shipping. other side. Interestingly, on the SU inlet manifolds, one securing nut is in the 1600 and 1600 De-Luxe The short-throw lever is situated close to the steering wheel and makes the perfect partner in crime. engine for you. was fantastic in a car of the MGA Twin Cam's price range. The car had 40k when I bought it and I drove it for another 20k in the nearly 2 years I owned it. When the Twin Cam engine arrived in 1958, MG was finally able to deliver the power that MGA buyers had been craving for several model years. Here are a few pics of the two team cars at Amelia Island in 2012 and some engine details. Although a privateer Twin Cam beat the works entries that year, this one, the results show, scored a DNF. After this time the Austin engine was not seen again. Both cams are identical, apart from the timing slots; and It sat for a while because I failed my driving test. Quatre versions améliorées de la MGA seront fabriquées et commercialisées, avec plus ou moins de succès: la MGA 1 500, la MGA 1600 et 1 600 De Luxe, la MGA MKII et MKII De Luxe et la MGA Twin Cam. Wiltshire . Right as production wound down, however, the Twin Cam hit its competitive stride in the U.S. and abroad. By Staff Writer Helaas werd de Twin Cam nooit een commercieel succes en nadat er 2.111 exemplaren van gebouwd waren, werd in maart 1960 de productie stop gezet. From Germany. This leads the heat away from the This fits However this did not cure the problem and a second incorrect diagnosis was that the tappets were picking up aluminium from their bores and seizing, and so cast iron sleeves were fitted to the tappet bores at engine 1587. gearbox ran very hot, and if its breather blocked up, the expansion of fitted. An MGA did win it's class (and 23rd overall) at Sebring in 1957, but, it was a pushrod car, not a twin cam. The engine block was fabricated of cast iron and the cylinder head was made of aluminium. gudgeon pins, ( wrist pins,) in solid skirt pistons with a compression 2 LE TWIN CAM est plus que fragile et difficile a entretenir vu la rareté des pieces et les prix pratiqués 3 Sauf si c'est pour faire de la course prends un MGA normale avec un moteur d'origine 4 si tu veux a tout prix une TWIN CAM, ben c'est 100 000€ sauf peux etre aux states mais faut y aller et la ramener (quoi que vu les élections que nous almlons avoir, emigre la bas). The production MGA Twin Cam could reach 113 mph, while the zero-to-60 time had been chopped to 9.1 seconds. It gets you little to have a horsepower or two more at top rpm if you lost time getting there. The engine was easy to over-rev, and hence damage En avril 1960, le rideau tombe et la version Twin Cam est supprimée. Many push rod MGA racers build highly stressed super high compression engines without reserve as replacement parts are available at a reasonable cost. My grandfather owned a twincam from new and rallied it extensively. The main changes were the replacement of the top chrome ring with a cast iron type and a new scraper ring with an expansion ring. De 1500, 1600, MKII, Twin-Cam en de 1600 MKII De-Luxe. It is in fine condition, having been completely restored and sorted in 1986 by its former owner, Paul Channon. Retired from sale at http://www.ClassicarGarage.nl MG MGA Twin Cam, year 1960. Webers and relevant manifolds, for racing, did not have any nuts inside The MG, EX179, did 170mph, the Healey When the Twin Cam engine arrived in 1958, MG was finally able to deliver the power that MGA buyers had been craving for several model years. Downsides to the Twin Cam? I wanted a sportscar and saw a 1959 MGA for sale in London. To feed fuel to the two carbs, there was a high capacity, high pressure LCS single ended SU electric pump fitted, similar to that The engine block was fabricated of cast iron and the cylinder head was made of aluminium. MGA 1600cc blev også lavet i en opdateret version MGA 1600 MkII (April 1961 til Juni 1962). There is a 1600 MGA pushrod engine and gearbox currently installed however the original engine and gearbox are included in the sale. The MGA came to be used quite extensively in motorsport despite the fact that BMC ceased participation in racing after the 1955 Le Mans crash. Experience with racing the Twin Cams over the years has … The MGA Twin Cam was announced in 1958 and was the product of a lengthy and involved development but disappointingly it returned one of the shortest production runs that Abingdon had ever seen. or plugs, but simply fuel starvation at certain rpm, giving a very hot, The reward, though, is very much worth the needed acclimation. Flow is too slow at part throttle and they don't run ell except on wide open throttle, and even then only when tuned exactly right. These can be recognised by a large 45 degree chamfer on the top edge. | De MGA Twin-Cam. This resulted in a normal oil consumption. Twin Cam'. The MGA Twin Cam engine was derived as an extensive modification of the Austin B-series 1500 cc pushrod engine with larger bore for 1600cc displacement and a slightly stronger crankshaft extended at the front end (and forever unique to the Twin Cam engine) and incorporating a "rope" style rear seal. But when he discovered that I worked for MG he gave me hell about the unreliability of Twin Cam engines and threw me out of the place.”. Buy It Now +C $154.89 shipping. Phillips’s MG TD special had to retire from the race at the eight-hour mark due to engine problems, but the effort had shown that the company was prepared to move away from its traditional, bulky approach to sports car styling and follow the lead already embraced by the competition. Der Zustand ist wie auf den Bildern... Versand möglich. The Twin Cam was supposed to have been the crowning achievement for the MGA, which had debuted in 1955 to deliver a much-needed breath of fresh air for MG. The engine feels best between 5000 and 6000 rpm. The oil consumption on early Twin Cam engines was extremely excessive. The 8.3:1 ratio dropped the power figures from 108bhp to 100bhp @ 6700rpm. Very solid undamaged frame and a reasonably good body in need of the usual repair panels. There are only five variations of the MGA. All SU cars had this problem, but those fitted possible cause of the piston problems. Het identificeren van de MGA-1600 Twin-Cam roadster. With the 88.9mm stroke this gave 1588cc capacity. I bought it for 350 pounds on the "hire-purchase". The MGA Twin Cam features a very special 1622 cc MG four-cylinder engine fitted with two overhead camshafts and a power-output of 108 bhp. De drie belangrijkste MGA modellen kunnen gemakkelijk worden geïdentificeerd door hun grille, voor- en achterlichten evenals hun cilinderinhoud badge. Of course, it’s best to deal with one that has been properly sorted, and drivers who are on the larger side might find the MGA cockpit less than comfy. The first 13 places went to 9 Ferrari's, 3 Porsche RS61's and a Corvette. both have hexagons cast in to enable them to be turned when timing. Om toch te kunnen voldoen aan wensen van klanten die meer vermogen voor hun MGA wilden, werd in mei 1959 de MGA 1600 geintroduceerd. The B-series BMC 1500 engine used in the car, however, was new. ( Leaflet is BMC publication ADK1412.). 2 roadster—you’ll need to budget about $45,000 for an excellent Twin Cam. The Twin Cam outperformed the standard MGA, but it also cost more; it cost more than the competition, too. I put at least 3 quarts in. The first would pass by quickly, After that B… Launched under the slogan “first of a new line,” the MGA was a clear departure from the old style. The Twin Cam engine was based upon the standard 1500 B-series engine but extensively up rated and engineered. C $109.97. the pinch-bolt little end arrangement of the normal ohv unit. filled with sodium inside the stems. The throw is a bit sturdy, but very precise. Although MG produced just those 2111 Twin Cams, the manufacturer delivered more than 101,000 standard MGAs. In the summer of 1965 I drove along with my friend's MG TF from London to the Yugoslav coast. © 2021 Motorsport Marketing. This MGA featured a special twin cam engine fitted with double overhead camshafts. Looking for a MG MGA? Les commandes internet et téléphoniques seront traitées et expédiées normalement, cependant les délais de livraison peuvent se voir allongés au regard des circonstances. The MG TF preferred to cruise at around 65mph. It still sports a rally look, thanks to the added pair of auxiliary driving lights and the Tripmaster in the interior. aircraft. That, alas, was the task bestowed upon the Twin Cam, which was supposed to give the MGA the fighting power it needed to toss it out with the more powerful cars in the class. It’s the wheels, along with the Twin Cam badge on the hood, that provide the exterior visual clues that this is no ordinary MGA. I have tried them on my race cars (uop to 1950 cc MGB motors) and prefer the 1 3/4" .