It is not recommended shifting into overdrive at too low a speed as this also can cause stress on the clutch and lugging the engine is not a good practice either. Both BC (B series engines) and Triumph (the Vanguard/TR wet liner engine) also used the engines in all sorts of different applications - main vans, boats and tractors, but they weren't designed for agricultural use in the first place. Fits '71-'74 Spitfire. , Never done that before, might be fun! I'm sure the technical aspects of rebuilding a GT6 transmission have been well documented on this website, but as a guy taking his first crack at rebuilding one, what are the top 5 things I must always keep in mind as I move forward? Fortify Your 1500: Improving 1500 Spitfire and Midget Engines Suspension Swing-axle rear suspension works better than most think, especially in swing-spring form. Still slower than my prius, these are tractor engines from the 50s. For the best experience on our site, be sure to turn on Javascript in your browser. It's speed dependent, not RPM dependent, but after replacing wheel bearings at all 4 corner, all of the universal joints, rotating the tires to see if the noise moves, and even taking a look inside the differential the only thing left to check is the gearbox. Voila, you have shifted the overdrive with minimum stress to it and now are cruising at a lower engine RPM. The important thing to remember is that it was added as an option on most cars in order to reduce engine RPM (and consequently wear) on the highway and increase fuel mileage. Which Engine to use - Teglerizer Sort by. We have over 300 core and rebuilt transmissions in stock at any given time as well as thousands of British transmission and overdrive parts. What you are doing is testing for oil at the vent on the right-hand side of the gearbox up high. If so I must be missing something because it is really tight. 1. Sold my spit last year and it was one ofthe few cars I never regretted selling. A nifty-looking, dual-inlet air cleaner wrapped in a black crackle finish was part of the package. We have determined this shift procedure from observing many overdrive units and the wear on the key overdrive clutch components, as well as just plain common sense. Some information and prices may be differenttoday. Single DCOEs on the 8 port heads suffer from uneven fuel distribution between the inside two cylinders and the outside two owing to the unequal runner lengths of the available intake manifolds. The Spitfires exhaust system is epically simple, and any competent shop can build you a nice system. All in, you could easily complete this job for about $700 if you do the work yourself. Theory is great, but how much does this swap really help performance? If the gearbox of your Spitfire is rumbling,you may need to invest in a replacement. Triumph Spitfire Parts & Accessories | Rimmer Bros Getting them back in is a different story though. Our carbs did need to be freshened, though, and we did that ourselves. NEED ASSISTANCE? I replaced the original exhaust header with a Pacesetter which increased the pipe diameter to about 2"but have learned there are better ones available. Designed utilizing the latest technology, this product by SKF features premium quality and will perform better than advertised. The car completed the 24 hours at an average speed of 94.7 Mph. I raced both 3 and 5 main bearing MG engines and the 3 mains were dealing with slightly less drag and seemed a bit stronger and quicker revving, but bearing life when run to high rpm was better on the 5 main engines - they didn't get around to making 5 main versions until 1965 and Triumph never did go with 5 mains for their 4 cylinder sports car engines. When you have the Triumphs bonnet open, check the wheel arches, suspension attachment points and all around the lights. Braided Clutch Line w/ Remote Bleed. This guy does a good job of outliningthe issues with the 1500: http://triumphspitfire.rickbaines.com/weaknesses-of-triumphs-1500-engine/. | Watch as we disassemble the gearbox, locate the problem, and build it back up to give trouble free driving! The transmission of the Triumph Spitfire had been quite robust. Freshening a carburetor is not as scary as it sounds, and companies like Quantum Mechanics supply the necessary kits. I agree it may not be too serious but you don't know until you get into it. And the engine was a huge part of that. The downdraft sends the mixture down to a flat surface in the intake manifold where it splatters and pools rather than smoothly reaching the head. Sorting. (LogOut/ Create a free website or blog at WordPress.com. Transmission Rebuild | Triumph Rat Motorcycle Forums Overall, if the car is looked after properly, the engine should run without trouble for 100,000 miles or more. MG, There are many much cheaper exchange units available. The plastic speedo bit will likely be damaged in the removal process. It really helped me understand what the input/output/main/counter shafts are, how syncros work, etc. Detractors complained of durability anddrivabilityissues. Hi Guys, attached photos show metal shavings from the transmission fluid drain plug and also shavings from my magnet when i ran it around bottom of the container that i drained fluid to. It really helped me understand what the input/output/main/counter shafts are, how syncros work, etc. Mainly original. Thrust washers needed to be maintained, or crank walk would destroy themaswell. Given this objective, we can understand that the proper way to shift into overdrive is to reduce the engine RPMs, not increase the road speed of the vehicle. We consider ourselves enthusiasts first (We currently own an Austin Mini) as well as a professional business. Top deals on New and Used Triumph Spitfire for Sale - Kijiji Autos The first step is buying the right parts. Triumph Spitfire 1500 MK4 Overdrive Gearbox Bearing Rebuild Repair Kit Rebuild and repair transmission services for pricate and trade customers. The rebuild took place on April 26, 2006 Also, while I have the interior apart, prior to painting, I am considering rebuilding it. Huge stock list, fast delivery and easy returns. My spit was a 79, and when I compare it to the other tech available at the time it just looks sad. Press the space key then arrow keys to make a selection. I mean after all, anyone can put in a 5th gear on a transmission, why an overdrive? Guess 3 mains and a thrust bearing that falls out were state of the art back then. This product requires special handling. I was always much more partial to the 1296cc Spitfire engine than the 1500. The three-main-bearing design did not lend itself well to hard use. Pinning them with a couple of 4-40 flathead brass machine screws is a simple effective solution. And it's easier/cheaper than replacing the crank and rebuilding the engine! Objective achieved. We stock a large inventory of gearbox and differential transmission parts for classic and modern vehicles for all major car brands. Sidedraft carbs are the best alternative, especially twin Weber DCOEs. Perhaps our biggest issue was simply the original setups drivability. If you take the passenger seat out you can wrestle it in and out by yourself. I'm a total rookie. Measured engine output had improved nicely: We posted 65 horsepower and 78 lb.-ft. of torque during our next visit to the dyno. Remember, these parts may be nearing their 40th birthday, so go with a reputable dealer. As always, check your local emissions laws. 2. Lets think for a minute why overdrives were put in cars in the first place. Classic Roadster Showdown: Alfa Romeo Spider vs. the Triumph TR6, An MGC Coupe that recalls the glory days of motorsport, Driving the short-lived MGA Twin Cam is magical, Which classic roadster offers the best top-down experience? We stock many transmission parts including synchro mesh hubs and rings, idler gears, selector forks and individual gears. Thanks! As the overdrive engages, feather the throttle so that the road speed of the car remains the same and the engine RPMs are reduced. Thanks for the tip. I'm fearful of whacking it too hard to get it to break loose. (Don't worry all those other things did need some kind of attention anyway). There are some things I liked about the spit but not enough to keep it around. Do you remember if the back up switch is removed by unscrewing it or is there a set screw I am missing? All in all, even though there are more desirable sports cars out there the 1500 Midget has been a fun car to have owned for the past 18 years. This will happen itself if you push and pull the front pulley, movement will indicate this problem. Realtime disassembly and rebuild of a TR5 gearbox - TR5 Gearbox Rebuild #1 (a) Removing the overdrive 1972 Mark IV Spit. Rebuild Programmes; Trade Shop; STORE LOCATION . BACK ORDER - We are temporarily out of stock on this item. We also do some specialty carburettor work (such as Spitfire 1500 twin 1 inch) and differential work on Triumph TR6, Spitfire, GT6, Big Healeys, Lotus, and MGTD, MGA and MGB. CALL 0800 281 182 OR SELECT A BRANCH . Yes I know it was built from parts in the 50s and the design never changed. I did the SU conversion source from Quantum Mechanics along with a 5 speed transmission also sourced from Quantum. How many gears does his car have???!!!! The big issue with Spit motors was not wear onTW, it was preventing them from dropping. If you are planning on purchasing aTriumph Spitfire, walk around the vehicle and take a look at the condition of the body and interior, along with the overall body panel alignment and doors. and in the winter competed in ice-khanas and ice races throughout the Northeast. Listen out for unusual noises in the Spitfires engine such as any knocking or rumbling. Bad gears are big $$$$$.$$. New rebuilt transmission. The biggest problem with these engines, however, had to be the single, emissions-era Zenith StrombergCVcarburetor. You'll get lots of useful information with clear visuals.
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