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Pat Garity. I always use bearings supplied by Jigsaw Racing, and with the above, they are long lasting, even inhigh revving engines. Apply 30W motor oil to the cylinder walls and the piston skirts. I did the SU conversion source from Quantum Mechanics along with a 5 speed transmission also sourced from Quantum. Very nice condition 50 year old car. Our initial zero-to-60 testing was just as depressing. ], Story by Tim SuddardPhotography asCredited. They will measure the new pistons to bore the cylinder. If all checks out take the car for a short drive (dont stray far from home, just in case) varying the rpm from 2,000 to 4,000. Many British engines have cam bearings in the block. He said he'd had problems with soft lock tabs on other engines messing uptorque readings. Can't find a shop that offers a crankshaft nitriding service? The cars are to enjoy, not be a burden. Almost 100,000 of these engines were used in the 1973-80 Spitfires, and nearly as many were used inMGMidgets sold from 1975andlater. quantumechanics.com, Swain Tech Coatings Inc. Detractors complained of durability anddrivabilityissues. In some states, this kind of modification is a no-no. It went like stink. As a rule of thumb, its best to replace the rod bolts. The factory paired these preferred carburetors with a free-flowing, cast-iron exhaust manifold that emptied into twin pipes. Also worth making sure the crank end float is correct (oversize thrust washers usually required, get them the right way round too). Regrinding the original cast iron exhaust seat is a short term answer, as valve seal will be lost in a short period of time. I suggest you guys go read the same thread over on the MGExperience board. It set the record on 60% nitromethane, naturally aspirated. Remove the crankshaft. View cart for details. If the gap is too big you are going to have to shim the camshaft or remove material from the back side of the cam gear. Always seemed like a sacrilege putting a Spitfire engine into a Midget. His advice on road cars and racers is often the last word. Harlow Private 4,500 TRIUMPH Spitfire Spitfire (585) 889-2786 Restoration of my Triumph. Shifts well, stops well. Before the swapand with the original single-carb unit properly tunedour Spitfire produced 49 horsepower and 66 lb.-ft. of torque at the rear wheels, as measured on a chassis dyno. But Kas Kastner, the US race engineer who led Triumphs competition effort there, fond that flow to the mains could be optimised by external lines, instead of the internal oil gallery, in the "Kastner Octopus". Have them measured by your machinist. The big issue with Spit motors was not wear onTW, it was preventing them from dropping. The project is really starting to come together now, with the engine soon to go back in. TRIUMPH SPITFIRE 1500 16958 N/A RHD Refcode: 333759 Complete strip down, body spray with new parts and components and rebuilt 12 years ago, engine re. Maybe because its the one I raced back in the day, but it always just seemed better balanced than the 1500 for some reason. Use the ring compressor around the piston at the point where the rings are located on the piston to compress the ring as it would be when in the cylinder. 1980 1500 Spitfire, I just added new cap, rotor, wires, pertronix ignition and flamethrower coil. Good information. Like so many other emissions-era carburetors, ours caused the car to surge and run leanespecially at highway speeds. NICELY RESTORED CAR WITH REBUILT ENGINE. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2022 Moss Motors, Ltd. All Rights Reserved. Oil Pump and Exterior Assembly But no proof or paperwork so Im assuming it wasnt. I think these carbs were also stock on 70's era Fiat 124 sedans and roadsters, but I may be wrong. I'm more than happy with 5000rpm - my currently daily is diesel so tends to live at less than 3000 - actually a lot less unless booting it (its a 3tr BMW so has lots of power and torque!). For example, most modern black composite material head gaskets require no coating or sealer. It includes the crankshaft, bearings, pistons; it excludes the sump, oil pump, camshaft, cylinder head. The Webers are 1 step up from the stock ZS carb, but suffer from a lack of tuning experience and info on this side of the pond. Make sure all stud and bolt threads are oiled. Scott Sewell. Connecting Rod Bolt Set HD Triumph Spitfire, Midget 1500 . THE FINAL LAP This may take several minutes. For a reliable road-going engine, careful building, in clean conditions will get you one tha is long-lasting! Make sure the engine does not overheat. Theres nothing quite like the process of pulling apart, fixing and rebuilding a vintage engine. Engine Rebuild Kit Major Spitfire 73 to 80 Part number MEK7380 Availability: In stock Triumph Spitfire 1973 to 1980 Email Question $726.52 $920.47 Share this product Engine Rebuild Kit Major Spitfire 73 to 80 Go back to product details Piston Set 1500 (Choose Size) Piston Set STD 1500 9-1 + $233.99 Piston Set 020 1500 9-1 + $193.99 For engines with a lifter cover or external lifter access, install the liftersif not already pre-assembled. Please state if alternate sizes are required. So I always set timing by ear, drive the car and try to get it to pink. I have only ever torqued up to the factory spec, and never had any issues. Once the piston gets to the point where the ring compressor is resting on the deck of the block use a dead blow hammer to tamp the top edges of the ring compressor to square it against the bore. The chap who created this stop motion film is one of the few chosen ones who successfully completed a full engine rebuild without throwing in the towel and marching down to the pub, the engine in the film is a 1500 4 pot from a Triumph Spitfire one of those cars Ive always sworn Ill buy. www.mossmotoring.com/disassembling-british-engine, Planning for Rebuilding the Engine on the Spitfire | Triumph Spitfire Mk3 Restoration Project: Bruce's Triumph Therapy, http://mossmotorsltd.wpengine.com/restoring-british-engine/. When you check the shells, if it hasbeen built with cheap bi-metalones (you can tell by colour and the markings on the rear) then replace them with lead/copper. Does the backfire come from timing, or carb? Quickview. Install the cylinder head and rocker arm assembly. Bottom end Your machine shop can easily do this for you. http://triumphspitfire.com/enginenumbers.html, Ok, given that I'm going to drop the sump to replace the oil pump, I have decided to also change all the bolts on the bearing caps - gives me the opportunity to inspect the journals and shells and re-oil prior to start-up (its been on an engine stand for about 3 or 4 years). Triumph - Spitfire - Sales Brochure - (2015) (German) Brochure 4 Pages. Many parts are available for this engine from aftermarket suppliers. While often lamented, Triumphs 1500cc, four-cylinder engine is still owned and loved by thousands of enthusiasts. By the time you factor in a driveline loss of 15 to 20 percent, our low horsepower reading looks pretty accuratemaybe even a bit impressive. Install the cam thrust plate, timing gears, chain and tensioner (if applicable) following the workshop manual guidelines. For about $400, we sourced a set of these carbs, the proper intake manifold, a factory European exhaust manifold and a downpipe from Quantum Mechanics. 2023 Motorsport Marketing. PS just noticed - you DO call yourself "Anglefire"! If you find excessive wear your machine shop can reface them. Really?). Manganese bronze guides expand with heat at a different rate than your cylinder head and require more clearance than cast iron guides. 57,315 M Kurt Tanner Motorcars (866) 461-3172 Santa Ana, CA 92705 (934 miles away) 40 1970 Triumph Spitfire 76,029 mi 1300cc $ 19,700 or $324/mo Your manual will tell you the clearance specs, and you need to use an assembly lube on all moving parts inside the oil pump. The magnaflux chemicals help the machinist detect cracks. if you look under the rocker shaft face if its stamped TKC1155 its could alreadybe an unleaded head there's some disparity over these numbers depends on. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Install the oil pump, remember it is important to disassemble the oil pump, clean the inside whether new or used, lube them, and check the clearances on them per the manual specs. Copyright 2018 Wishbone Classics. Read More 1978 Triumph Spitfire with a Mid-Engine Turbo 1.8 L Inline-Four. Make sure you use assembly lube on every main cap and your thrust washers as well. Use rubber gloves, even water-based chemicals can be harsh on skin. All rights reserved. (different torques given by ARpdepending on what lube you use on the threads, more torque needed if you use 30weight oil..), I agree you can re use our spec of bolt a number of times , what you cant reuse is more modern specs where the torque has been, Tightend to its yeild point these are dangerously likely to fail if re used, More moderns are often spec'd as up to a target torque followed by accurate angular rotation, In stages on production these results are devised from watching the toqure climb and rotation, The meters that measure this carefully stop as soon as the torque rise flattens and rotation is about to continue, Ive got one in the cupboard gathering dust never use it these days, Usefull on troublesome fitting to find the ultimate torque. This number could vary, as long as it is the same exact point before, and after maximum lift. Sort By Price Deck H $3,341.18 New ---- Used Dart SBF SHP Iron Block 4.125 Bore 9.500 DH - 31375235 $2,999.00 New ---- Used as perspicacity of this Triumph Spitfire 1500 Engine can be taken as skillfully as picked to act. Clearances and thoughts However bad previous repairs, rust, and a desire for more power, resulted in Finally the machinist will use a special tool to chamfer (angle) the tops of the bores. | From the March 2013 issue Car. Right off the bat, this larger engine delivered more torque than its predecessor. Bare A-type OD base rebuild pricing is $1650. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Engine Blocks. We're able to bore Triumphblocks to accept cam bearings, we've even produced specialized tooling to shorten the duration of this procedure - which saves you money, because we can do it quicker. For about $200, we had a local muffler shop fabricate a new system. Started out as just a collection of snaps as I stripped down an engine bought off ebay. ASSEMBLY Sidedraft carbs are the best alternative, especially twin Weber DCOEs. Thanks for the article though it just reinforces my decision. If your crankshaft is out of spec and has to be reground, there are several under-sizes of crankshaft bearings available. Move the crankshaft the normal operating rotation (clockwise when facing the front of the engine) until you see the needle reach maximum camshaft lift. The snaps were so that I remembered how everything went, so I could put it back together again. Adjustable cam gears will have about 20 degrees of variable adjustment to work with assuring you can get the cam timing exactly where you need. Is there a howitzer story there? | Alfa Spider vs. MGB vs. TR6 vs. Miata. Click to reveal The CNCblock machining center is a major contributor to the high level of quality and performance on our engines. At TRF, we know every part of the Spitfire 1500 engine intimately, and rebuild them to exacting standards You can email the site owner to let them know you were blocked. You will do this similarly to your crankshaft end float. A Speedi-Sleeve can be used to renew the surface. Get your hands on the complete Triumph factory workshop software. Triumph Spitfire 1500 engine and gearbox rebuild We've just finished the rebuild of this fast road engine for a locally owned Triumph Spitfire. Lifters (tappets) are always replaced with a new camshaft. Triumph Spitfire Engine Rebuild #8 - Distributor Fitting - YouTube After a long hiatus in production, I'm back on my engine rebuild videos, though there aren't many left. Its okay if areas around the water jacket do not completely clean up. Those upgrades transformed my previously 1300 powered car, and it did well at club autocrosses. Otherwise, enjoy the car, collect the stuff you need and don't put yourself under pressure! The rule with engine building is clean, clean, and then clean some more. Click & Collect. 13 33,950 TRIUMPH SPITFIRE 6383 MANUAL RHD Refcode: 07AD6F7A-7C71-6CF9-9CAF-66E10EE97FDA Pristine Triumph Spitfire 1500 with just 3,999 miles on the clock! Exhaust valves Check your camshaft end float Crankshaft wear: the 1493cc engine fitted to the Spitfire 1500 has problems of its own, as the crankshaft can wear badly, along with the pistons and rings. If your crankshaft is being reground and your connecting rods resized, this is time to use the size spec range to get the proper rod bearing clearance. Perhaps our biggest issue was simply the original setups drivability. You may have seen them at county fairs the vertical velodromes were originally built from old grain silos, leading to the name "silo-drome.". Altering the factory cam timing can be done in one of two wayseither by using offset camshaft keys or with an adjustable camshaft gear. Test fitting the crankshaft and bearings Rocker arm bushings, if needed, Gaskets and the final touches 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. Southern Rebore Services carried out the machining work. Current car: 1980 Triumph Spitfire Past cars: 1975 Triumph Spitfire, 1973 Austin Mini, All engine parts are cleaned, prepped and machined or new. In my post above I was referring to "quality"! I have 3 1500 Triumph engines in RB Midgets I'd like to rebuild and upgrade for greater performance and reliability, to take advantage of modern engine components, the years of tuning and development on this engine since the 70's, and the wealth of engine building experience that has amassed since the engines were introduced. I don't want to build a racing engine, but would like to do some sensible upgrades to improve reliability and drivability. For instance,the 2014 Renault F1 engine has a stroke of only 53mm but is limited to 15,000rpm! I wont cover every little detail that a manual will tell you about engine assembly. Apologies, confusion re std. 4.20 postage . Rotate the engine by hand at the front crank bolt and adjust all your valves to the recommended lash for the camshaft you are using. Because these parts are designed by Triumph to fit the cars, the swap is a snap and the results are nothing shortofremarkable. How have you set the timing?? I would like to strengthen the bottom end - if that is actually possible? What have you done to upgrade your 1500's? And real-world performance? Engine gasket sets I prefer Payen brand gasket sets when I can get them. The goal is to spin the engine in the normal rotation to maximum cam lift (now zero on the dial indicator) and stop at same given point before and after max lift has been achieved. It's currently (As far as I know) standard - though is from a Dolly 1500! I don't have a clue what else is in there yet but I intend to pull it down and find out before I run it hard. 5500 13.93 16.04 The cost for this setup is only about $400 to $500, depending on the source and condition of the parts. At this point the machine shop is ready to assemble the cylinder head. Pointer this can be as simple as a piece of wire bolted to the front side of the block. And it's easier/cheaper than replacing the crank and rebuilding the engine! For a road engine there are a few simple things. And here's the reason why. 2L & Spits Mk1-4 1500 Once MPS goes up to 20 metres/second, you can expect reduced reliability and early failure, unless the engine has been speciallydesigned and built and/or made from exotic materials. The mean piston speed will be 26.5m/sec. Vandervell were the bearing of choice when a friend of mine built a 2ltr pinto for rallying as alternative bearings failed after about 3 events (Spectacularly the first time!) Engines & Engine Component Rebuilding Services. Install the crankshaft and bearing Yeah, except for Mazda, Ford, GM, Toyota, Mercedes, Nissan, Honda, etc. Add those two numbers together and divide by twothat is your cam timing. What you are looking for is the point the dial indictor needle quits moving as the piston comes to the top of the block. Thrust washers needed to be maintained, or crank walk would destroy themaswell. Purchase a good quality assembly lube. Double and triple check this to make sure you are at TDC. If it is worn, have it replaced as well. Once all of the pistons are in you can rotate the engine to the access the bottom side. You will need a piston ring compressor. I use .005 before and after maximum camshaft lift. Inspect your valve guides next. Something went wrong. Most machine shops have a special tool that can cut all three angles at the same time. Intake valves dont require hardened seats since they are not subjected to intense heat. Which classic roadster offers the best top-down experience? They can be rebuilt/modified by anyone who knows SU's. Add to Cart. I think Ford later made a knock-off of the carb that was used on 4 cylinder mustangs and later US made Mercury Capris (1980s). Grinding off unnecessary mass from conrods, should be followed by polishing and shot peening, which does increase the strength. The car was largely based upon the chassis of the Triumph Herald saloon, but shortened and without the Herald's outrigger sections. Body & Chassis Brakes Clutch, Gearbox & Axle Cooling System Electrical Engine Exhaust Exterior Fuel System & Induction General Accessories Heating & Ventilation Interior At some point in the nearish future, I will be stripping and rebuilding my Spitfire's engine. Wishbone Classics is a specialist in rebuilding standard and performance British sports car engines. Similar upgrades but I milled .125" off the head, sourced a pair of SU's from a '67 Spit, and installeda header from Victoria British. If you want to uprate the big end bolts but don't feel like splashing out on ARP, you can also use Cosworth (YB?) This measured sprint took us an alarming 14.7 seconds to completenot very sporting for a sports car. Because this CNCengine center also bundles multiple machining operations into one piece of equipment, we no longer have to worry about different individual machines introducing any deviations in tolerances between machining steps. Strengthening the bottom end isn't an option, unless you go for a steel billet crank and conrods. Quantum Mechanics offers these as used sets with manifold pulled from old Spits in England. The best currently available bearings are King Tri-metal which most suppliers (e.g. Differential Mount Set Poly Front Spitfire GT6 . This item: Triumph Spitfire 1500: Repair Operation Manual. The Triumph SC (small car) engines were never derived fromtractors. 7000 17.73 20.42 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. Valve seals Measured engine output had improved nicely: We posted 65 horsepower and 78 lb.-ft. of torque during our next visit to the dyno. If you're a British car owner that seeks perfection, you will not find another engine rebuilder that is able to produce as fine of finished unit. Once the crankshaft is installed, be sure to check your crankshaft end float as I first discussed in the disassembly article, and make sure it is in spec per the manual. An adjustable cam gear is really worth it if your budget allows. From your local part store you will need to purchase the green plastigauge with a measurement range for .001-.003. , and have never used new bolts for any bearing caps. Once you have finished the plastigauge procedure, and cleaned it all up, make sure to use assembly lube on your rod bearings and install your rod caps. The weber downdraft is basically the same carburetor that was used on early German Capris and Ford Pintos (1970s). I started a similar thread on the MGE and got quite a bit of good feedback, so I thought I'd see what you guys have to say. I start with the #1 piston. FUEL PETROL PUMP (**See Engine No**) (1970- 74) 20.50. But yes, I do enjoy it and try and go out in it as much as possible - I bought it to drive and not be a show car. A larger motor was needed. Without question this is a job for a professional. Crankshaft Sometimes honing is necessary to get the proper fit. swaintech.com, Driving the short-lived MGA Twin Cam is magical, Classic Roadster Showdown: Alfa Romeo Spider vs. the Triumph TR6, An MGC Coupe that recalls the glory days of motorsport. My spit was a 79, and when I compare it to the other tech available at the time it just looks sad. The biggest problem with these engines, however, had to be the single, emissions-era Zenith StrombergCVcarburetor. Need oversized lifter / tappet bores? Triumph Spitfire 1969-1980 Owners Workshop Manual: Glovebox Edition (Practical Classics & Car Restorer) $2000. Chances are your cam timing is probably not where it needs to be. The spitfre mk3 profile cam is very good, or even the TR5 profile. The first step is buying the right parts. Digital Rev Limiter Pertronix . Triumph had a lock on using only half the thrust washers I wouldn't bother changing the main bolts either, and I don't think loctite is a good idea. Install the camshaft, front engine plate and cam thrust plate You'd hopethey'd have put them back for the sake of a few pence if they reduced engine failure rates That's interesting, I wonder why they are on my late GT6 mk3? That is not true but often repeated. Weight is mass times acceleration, andI've done this for a TR6, the worst possible case.