REBUILT ENGINE UNITS The Roadster Factory offers its own factory rebuilt engines and cylinder heads (see p. 6), and we believe that these units are the best solution available to most enthusiasts who need an engine overhaul. But no proof or paperwork so Im assuming it wasnt. Both BMC (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. 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. When you achieve the same degrees BTDC and ATDC your wheel will show TRUE TDC. His advice on road cars and racers is often the last word. For a reliable road-going engine, careful building, in clean conditions will get you one tha is long-lasting! You dont want anything to be bent or stuck, as this will affect your cars operation. Sidedraft carbs are the best alternative, especially twin Weber DCOEs. A word of caution about decking the block too much: Some engines, such as the Spitfire and Midget 1500 and the later TR6, have necessary recesses around the cylinder bores. After a few heat cycles, you will need to retorque the cylinder head and re-adjust the valve lash. The dual HS setup appears to be the best way to go, either the HS2 set-up from a Euro 1300 Spit or the HS4 set from a Euro 1500 Spit. Handy Tip: If using an adjustable cam gear, torque the cam retaining nut to manual specs before making your adjustments. In England, Triumph Spitfire 1500s were sold with dual SU carbs. There is nothing inherently wrong with a properly designed 3 main bearing engine. The magnaflux chemicals help the machinist detect cracks. Never, ever fire up an engine without confirming you have oil pressure. All in, you could easily complete this job for about $700 if you do the work yourself. Also worth making sure the crank end float is correct (oversize thrust washers usually required, get them the right way round too). Vandervell do come up on eBay from time to time, but most are showing their age from long term storage. It might be suitable for some situations but the Spitfire (MG Midget) configuration is not one of them. 100bhp should be achievable fairly easily. This item: Triumph Spitfire 1500: Repair Operation Manual. Install and torque the main caps one at time. While adding main bearings and redesigning thrust washers is not an easy feat, at least one of the engines problems can be addressed: without much headachebettercarburetion. ENGINE REBUILD KIT FOR MG MIDGET 1500 [ THE TRIUMPH ENGINE ] 1975 - 1980 . It's the 1500cc variant, however, its had some cylinder head work and a fast road camshaft. A larger motor was needed. At least the MG stayed 'all British'. Perhaps our biggest issue was simply the original setups drivability. Payen gaskets where possible, use the best crank bearings you can find (vandervell but you will have to be VERY lucky) and you WILL need a thermostatic oil cooler, and millers CSS20/60 oil a good idea. Triumph Spitfire - Engine rebuild - YouTube Restoration of my Triumph Spitfire showing the newly rebuilt engine by Prather Racing - Kent Prather and myself. Our reconditioned full engines have one of the highest rebuild specifications available on the market. But this is for high revving engines, not road use. 10 watching. Install the main bearings in the block with just a thin coat of non-synthetic 30WT motor oil, then install the crankshaft and coat the exposed journal with oil. Dont let this step scare you. The problem with the thrust bearing is serious, and every Spitfire (or GT-6, or TR-6) owner should know how to check crank end play. Good information. Piston-to-cylinder wall clearance must be checked. A Speedi-Sleeve can be used to renew the surface. The car was an instant hit. Early Spitfire and Heraldengines had lock tabs (https://www.canleyclassics.com/triumph-spitfire-mki/ii-crankshaft-and-camshaft). The only reason you would install valve seats on the intake side is if a cylinder head has had many valve jobs in its life. TheseSUcarburetors may be older technology, but they have served many owners very well through the decades. The carb is a two stage design, so it's essentially a one barrel with a secondary that comes on at full throttle. 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. What have you done to upgrade your 1500's? I use .005 before and after maximum camshaft lift. MG Midget Triumph Spitfire Rebuilt 1500 Engine About this product About this product Best Selling in Engine Blocks Speedmaster Pce286.1049 Aluminum Engine Block Ford 351w Windsor 9.500 In. and have never used new bolts for any bearing caps. as perspicacity of this Triumph Spitfire 1500 Engine can be taken as skillfully as picked to act. And oversized washers are available if there's wear on the crankshaft. Some connecting rods will be a press fit type, and not need servicing other than pressing the old piston off and the new pistons on. Our initial zero-to-60 testing was just as depressing. | From the March 2013 issue Its a good idea to replace the rocker shaft. Test fitting the crankshaft and bearings Triumph TR engines. Stroke(mm) = 76 Stroke(mm) = 87.5 If your engine has press fit piston pins, like MG 1275, or the later MGBs, this is not something you can do yourself; it requires special tools. But the US emissions regs sucked away both torque and power. Triumph Install lifters, pushrods and cylinder head. Altering the factory cam timing can be done in one of two wayseither by using offset camshaft keys or with an adjustable camshaft gear. Many British engines have cam bearings in the block. A bit too obvious for me that! At TRF, we know every part of the Spitfire 1500 engine intimately, and rebuild them to exacting standards The weber downdraft is basically the same carburetor that was used on early German Capris and Ford Pintos (1970s). Dont let any steps get overlooked. None of these points will do you any good though, in reality youll have either turned to alcoholism or been committed to a lunatic asylum long before the task is completed. Now stop at .005 before the indicator reaches zero, or maximum lift, record your readings at the degree wheel. Spitfire Performance Upgrade Parts Fast delivery worldwide Payment options including PayPal British car experts 01522 568000 1-855-746-2767 Useful article on the oil pump too. Bare J-type OD base rebuild pricing is $1399. That is as good as you are likely to get it, though DD can of course alter advance curves to suit your engine spec, or go for a mapped ignition! The vehicle was based on a design produced for Standard-Triumph in 1957 by Italian designer Giovanni Michelotti. Hap owns and operates Acme Speed Shop out of Greenville, SC, where his specialty is rebuilding MG engines ranging from stock to full out race prepared. Inspect your starter ring gear. Timing assembly always replace the chain, timing gear and timing chain tensioner. The project is really starting to come together now, with the engine soon to go back in. Question is, should ILoctite the bolts and if so which spec should I use. You have to have a good idea of your expectations and an understanding of the steps required to get what you want. and he didn't use eBay parts, just Canley Classics, Rimmers or Moss. My engine is very user friendly around town and on the highway. Still slower than my prius, these are tractor engines from the 50s. Grinding off unnecessary mass from conrods, should be followed by polishing and shot peening, which does increase the strength. Mount the rear engine plate, flywheel and clutch. Make sure all stud and bolt threads are oiled. Whether stock, performance or race, only the highest quality components and workmanship go into our engines. Measured engine output had improved nicely: We posted 65 horsepower and 78 lb.-ft. of torque during our next visit to the dyno. And its fine until it gets to temperature and then driven some more so is really hot - and given I found the other day that the overflow pipe was too short into the expansion bottle so was drawing air back in rather than water when the engine cools - so I suspect the engine was then getting a bit too hot at the top occasionally. The, The traditional Silodrome was a carnival sideshow attraction also called the Wall of Death." NEW PARTS With your choice of advance curves or a tunable unit. The Triumph Sports Six Club Keep your manual close at hand for the assembly stage. Purchase a good quality assembly lube. 9.99 Download now. Get Started $4315. Another way to look at it is to work out how much the piston weighs in use. Engine gasket sets I prefer Payen brand gasket sets when I can get them. 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. 2L & Spits Mk1-4 1500 quantumechanics.com, Swain Tech Coatings Inc. Have your timing light ready to set the timing. That is not true but often repeated. All engine parts are cleaned, prepped and machined or new. Those upgrades transformed my previously 1300 powered car, and it did well at club autocrosses. So, if not Vandervell, what other makes are recommended? 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. Third, install the main bearings in the main capsbut dont install the caps yet. The 123 ignition(distributor) is a modification that employs spark balancing, like used in formula race cars. 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. 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. Is a lighter flywheel right for your classic? July 19, 2014 @ 4:35 am 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). Exhaust valves sorry real name is Mark - Ill update my signature when I get 5 ! Read the Forum Help (FAQ) or contact the webmaster. Save my name, email, and website in this browser for the next time I comment. Planning for Rebuilding the Engine on the Spitfire | Triumph Spitfire Mk3 Restoration Project: Bruce's Triumph Therapy, [] http://mossmotorsltd.wpengine.com/restoring-british-engine/ [], January 13, 2018 @ 5:01 pm A nifty-looking, dual-inlet air cleaner wrapped in a black crackle finish was part of the package. Features This is a six-cylinder engine, displacing 2 liters. Now that you have acceptable readings on the main journal make sure you clean the plastigauge off each crankshaft journal and bearing shell. Use new gaskets and properly clean all mating surfaces. Yeah, except for Mazda, Ford, GM, Toyota, Mercedes, Nissan, Honda, etc. | Alfa Spider vs. MGB vs. TR6 vs. Miata. You may have seen them at county fairs the vertical velodromes were originally built from old grain silos, leading to the name "silo-drome.". Hap Waldrop. All rights reserved. And real-world performance? Yes I know it was built from parts in the 50s and the design never changed. ASSEMBLY It's easy! $20.74. Come on fellas, Mike can't be the only one to reply??? Triumph removed the lock tabs quite early on in production and never reinstated them despite loads increasing considerably (e.g. For the earlier 4 cylinder engines we always fit upgraded rear oil seals, an . Anyone know anything about the downdraft Weber carb and aluminum intake kit being offered by englishparts.com? Install a lubed lifter on #1 cylinder intake and then install a push rod into #1 intake lifter. Crankshaft Make sure you keep the ring compressor firmly against the block deck. Water pump If you find excessive wear your machine shop can reface them. The factory paired these preferred carburetors with a free-flowing, cast-iron exhaust manifold that emptied into twin pipes. I'm guessing not particularly. It set the record on 60% nitromethane, naturally aspirated. The biggest problem with these engines, however, had to be the single, emissions-era Zenith StrombergCVcarburetor. Manganese bronze guides are also available and I almost always use them because they are very long wearing. 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. Quantum Mechanics, Ltd. Having trouble posting or changing forum settings? I wont cover every little detail that a manual will tell you about engine assembly. But all the above are expensive and competition related. Make sure your crankshaft is at BDC (bottom dead center) meaning the crankshaft journal is closest to bottom of the engine. By Tim Suddard Description Triumph Spitfire - Classic Car Fuel Injection Conversion Based on our Premium Vehicle Kit for 2 SU carburettor upto 125 BHP This kit contains all the parts needed for our Classic Fuel Injection system (you do not need to order anything else from our range ) Save around 200 when buying as complete kit Thanks Pete and Clive - as I say, I'm not after a racing engine or even upping the power particularly. Some enthusiasts opt for a WeberDGVdown-draft or single side-draft 40DCOEsetup. The MG motor was incapable of being enlarged, just getting itto 1275 had required engineering handsprings (offset conrods? Degree wheel If building a performance engine, ARP bolts may be ofbenefit, but they use their own special lube with a lower than factory torque!! Rotate the engine by hand; I like to do this from the rear of the engine as to not disturb the degree wheels setting. Install the crankshaft and bearing Timing is set by ear - to be honest one reason for the rebuild/replacement is that the timing is all over the place when I use a timing light - which is either due to a crap dizzy or the pulley moving (Which is not as tight as I'd like - but the bolt is very much tight! Anyway even with the taller gears the engine isn't so high strung that it lugs at all. I prefer the fullcircle cam bearings and not the split type, and the machine shop has the special tools and knowledge to do it right. Protecting it by reducing the stress. We will cover that later. Do this one main cap at time working from front to back being careful to not rotate the crankshaft. A better solution is to use this as an excuse to use larger intake valves and enjoy improved performance. This may take several minutes. Your connecting rod will almost always warrant big end resizing, and considered a must if you replace the connecting rod bolts. Oil pump whether you replace with new or reuse your current oil pump you will need to disassemble it and check the clearances. Bare A-type OD base rebuild pricing is $1650. Click & Collect. Triumph Spitfire 1500 engine and gearbox rebuild We've just finished the rebuild of this fast road engine for a locally owned Triumph Spitfire. You need to plastigauge the bearing clearances. You get extra points for completing this task if the engine in question is British or Italian of course, along with a tidy little bonus point if the engine is pre-1980. Spitfire/GT6 TS Imported Automotive, 108 South Jefferson St., Pandora, Ohio, 45877, USA Tel 800.543.6648 (USA & Canada only) 419.384.3022 (Tech / General Information) This may seem like a lot of clearance to your machinist who is not used to working with our engines. The snaps were so that I remembered how everything went, so I could put it back together again. Crank bearings are supplied standard size and pistons are supplied +0.020" oversize. The exhaust manifold goes on first, underneath the intake manifold. Follow the advice of the head gasket manufacturer in regards to coating. If you are using a performance camshaft you may have to advance the cam timing per the cam manufacturers instructions. You will need some headwork, and a skim o achieve a higher compression ratio (depends on the cam). Rebuilding A Triumph Spitfire Engine Reading time: about 1 minute | Written by Ben Branch | August 25th 2013 11 Months, 3000 pictures and a lot of coffee. Crankshaft bearings for the connecting rods and main bearings. One day. I suggest you guys go read the same thread over on the MGExperience board. xmFnpTdjkUcUnQtjY4A6zvd5f4fG3r3ftcbDZwzrnG90J4oOQ3fXP5leOHPeW4da. For a road engine there are a few simple things. The leaning and surging had vanished. About the Author: As an engine tuner and builder for more than 30 years, Hap Waldrop is the go-to guy on British car forums. 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. Remove no more than .010 so that the head gasket will seal properly. Copyright 1995-2023 eBay Inc. All Rights Reserved. Triumph Spitfire 1500 LHD Completely body off restored Triumph Spitfire 1500 LHD. Newman a decent supplier so may have variations worth exploring. Bottom end He said he'd had problems with soft lock tabs on other engines messing uptorque readings. Mean piston speed (MPS) is a simple calculation using the revs and thestroke. 5.00 postage. (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. 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. 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. Total price: $93.10. August 25, 2016 @ 9:30 am Position it toward #1 piston and then bring the piston toward the top of the block. Click to reveal It went like stink. On the bench, apiston and gudgeon pin weighs 346gms, but this is under 1g, the acceleration due to Earth's gravity, In the 2.5L, at 6000rpm the piston reaches more than 2000g, andweighs nearly a tonne! (203) 463-8299 The OEM guides are cast iron. As always, check your local emissions laws. Quickview. And here's the reason why. If you feel any resistance, make sure the ring compressor is tamped square against the block deck, and if you still feel resistance, you may want to look in the bottom of the block and make sure your connecting rod is not interfering with the crankshaft. Its rated horsepower was 104 hp in its final year of production, which was 1973. 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. Because these parts are designed by Triumph to fit the cars, the swap is a snap and the results are nothing shortofremarkable. A parts washer makes this job a lot easier, but if you dont have one you can make a temporary parts washer out a 5-gallon bucket and waterbased degreasers. MACHINE SHOP WORK Each engine I take to the machine shop is: Magnafluxed for cracks in the block, head and crankshaft. Crank bearings are supplied standard size and pistons are supplied +0.020" oversize. Double and triple check this to make sure you are at TDC. Ray Ciccarelli, Hello This is where most cracks occur, so the proper filet radius is important for the overall strength of the crankshaft. Install the cam thrust plate, timing gears, chain and tensioner (if applicable) following the workshop manual guidelines. The 1500 long stroke is not the best for reliability and can suffer serious big end and con rod failures ifnused in a hurried life It does age quite quickly, upping the power wont help much in reliability Clives the best on this Pete clive Members 5.5k Posted October 1, 2017 For a road engine there are a few simple things. My GT has them and Rimmers show them on TR2 -4a, but not GTs or Spitfires. Bearings shouldn't touch surfaces! 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. Harlow Private 4,500 TRIUMPH Spitfire Spitfire 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. Every time we use this miraculous product, were impressed with how it knocks down exhaust temperature and holds up for years, looking like new for a long, long time. It's a surrogate for the actual stress calculation that works out the acceleration of the piston, whichis a LOT more difficult! To read Haps previous article on engine disassembly and inspection, visit www.mossmotoring.com/disassembling-british-engine, October 16, 2013 @ 2:20 pm Pushing out the old pins is normally done by cold pressing. These are both good solutions, but we went with an even easier fix on our1973Spitfire. A frind ran a Ginetta G4 with a 3 main Ford MAE - 3 main, 9500 rpm red line (albeit with a short stroke). Has anyone done anything to deck the block to remove the recesses between the cylinders and run a diff head gasket, i.e. 142.132.219.252 If you build a 1500 properly and respect it then this much maligned engine can be as dependable as any other Spitfire engine. Intake valves Consider oversize for better flow Thanks Pete - as it happens I picked up a "new" engine today - has been largely rebuilt - needs a new oil pump as it wasn't changed, but does seem to be well done overall. More torque, as we know, helps produce betteraccelerationnumbers. If the gap is too big, have the cylinders bored and new oversize pistons fitted. A shop manual is a good idea, but we have a little cheat: Just disassemble one unit at a time, and use the other as a 3-D shop manual of sorts. Copyright 2018 Wishbone Classics. The following is a list of new parts I typically include in an engine rebuild. It is extremely important that the filet radius (the edges of the journal where it joins back into the crankshaft body) is restored when the crank is reground. Connecting Rod Bolt Set HD Triumph Spitfire, Midget 1500 . Fill the engine with all fluids. Once the studs are installed (if applicable) then install the head gasket. | Never miss an article, [Editor's Note: This article originally ran in the March 2013 issue of Classic Motorsports. Make sure you use assembly lube on every main cap and your thrust washers as well. The '78 spit I just bought has this and a 4 tube header on it. 20 Is there a howitzer story there? Be sure to use engine oil with 1200 ppm of ZDDP to insure long engine life. Instead, Ill tell you about steps the manual may not cover, and about the engine assembly sequence that can be helpful to you. In our case, Quantum Mechanics sold us a brand-new downpipe to match the European exhaust manifold. THE FINAL LAP Then I realised itd be quite cool to make it an animation. DO NOT be tempted by an external oil line to the cylinder head. I am looking for some specific engine modifications, specific cam recommendations, specific machining insight from the Spit crowd who have been tuning these engines longer and harder than we MG owners. A balancer can be rebuilt or you can purchase a new one and in some cases a high performance harmonic balancer is available. I can then, at my leisure,rebuild the one in my car now and either sell it on or do another swap. Remember, these parts may be nearing their 40th birthday, so go with a reputable dealer. There are some things I liked about the spit but not enough to keep it around. Pinning them with a couple of 4-40 flathead brass machine screws is a simple effective solution. 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 Valve seals And is actually a spelling mistake, made the first time I used it. 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. I spoke to the distributor doctor today - after looking at the website - and have ordered a standard replacement dizzy for mine as a starting point because I replaced mine with one from ebay after getting issues (Which I suspect were really down to the carbs) and I am getting some issues with pinking and the like, that could be caused by a cheap chinese one - of course it could be something else, but I decided to start from a good place!
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