, Please comment on anything from main studs to cams to roller rockers to engine machining procedures, to compression ratios, to carbs, etc..Please post any good links on this topic as well. Intake valves dont require hardened seats since they are not subjected to intense heat. and he didn't use eBay parts, just Canley Classics, Rimmers or Moss. I thought for 30-40 I'd just change the bolts - more for piece of mind rather than anything else - not going ARP as the engine will be pretty much standard. Please state if alternate sizes are required. 4>2>1 manifolds easy to source, and the canley single sports box would be my choice. Exhaust valves Just because your cylinder bores or crankshaft journals look good, never assume they dont have any wear or issues. 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. Refer to your workshop manual for the proper spec but it will likely be .002-.005. If building a performance engine, ARP bolts may be ofbenefit, but they use their own special lube with a lower than factory torque!! In my post above I was referring to "quality"! 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. Add to Wish List. Is your favorite classic car properly insured? For most of our engines .0015-.002 is ideal for rod and main bearing clearances. Add to Wish List. The rule with engine building is clean, clean, and then clean some more. The car was an instant hit. Remove the spark plugs and turn the engine over until you see oil pressure at the gauge. CARMINE RED WITH TAN TRIM, TAN TOP BOOT. A complete rebuild includes the following: EVALUATION As an engine is torn down, each part is checked for excessive wear, damage and failure. 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. If you find excessive wear your machine shop can reface them. And it's easier/cheaper than replacing the crank and rebuilding the engine! And, once you have the engine block on the engine stand, youre ready to dive in. Some enthusiasts opt for a WeberDGVdown-draft or single side-draft 40DCOEsetup. Powered by Invision Community, http://tr6.danielsonfamily.org/OilPump.htm, https://www.canleyclassics.com/triumph-spitfire-mki/ii-crankshaft-and-camshaft. A window into racing in the 1960s | Sebring Special MGBs: How an MG TC gave way to a worldwide British car enterprise. ft/9.5 kgm) at 2500 rpm respectively. Ideally, youd also get carburetors that arent worn out. Be extra careful installing the camshaft into the blockespecially with a block that has cam bearing as most nicks and scratches happen during installation. You can use new lifters with a used cam but never used lifters with a new cam. Install a lubed lifter on #1 cylinder intake and then install a push rod into #1 intake lifter. The snaps were so that I remembered how everything went, so I could put it back together again. British Engine Rebuilder 217-232-7303 Specializing in MG/Triumph 1500 Engines " I will not let you run one of my rebuilt engines in your car if I would not run it in mine. This is due to the manifolds available for that adaptation. I'd start with some head work a header and dual SUs. The Triumph SC (small car) engines were never derived fromtractors. Motor runs excellent, no issues with state inspection and everything works as it is supposed to. The vehicle was based on a design produced for Standard-Triumph in 1957 by Italian designer Giovanni Michelotti. Wishbone Classics is a specialist in rebuilding standard and performance British sports car engines. It will smooth out an engine and pull locked up hp to the fore. You can get a reaction between different paints causing wrinkling. In England, Triumph Spitfire 1500s were sold with dualSUcarbs. Valve springs, Rocker arms assembly Crankshaft replace your pilot bushing. For a reliable road-going engine, careful building, in clean conditions will get you one tha is long-lasting! Make sure you keep the ring compressor firmly against the block deck. This number could vary, as long as it is the same exact point before, and after maximum lift. Come on fellas, Mike can't be the only one to reply??? Install the oil pan and gasket. Triumph had a lock on using only half the thrust washers Remove the crankshaft. As for the MG Midget, I preferred the 1275. For instance,the 2014 Renault F1 engine has a stroke of only 53mm but is limited to 15,000rpm! Engine Block Articles that Ben has written have been covered onCNN, Popular Mechanics, Smithsonian Magazine,Road & Track Magazine,the official Pinterest blog, theofficialeBay Motorsblog, BuzzFeed, Autoweek Magazine, Wired Magazine, Autoblog, Gear Patrol, Jalopnik, The Verge, and many more. US Supplier of 123Ignitions, Pre-programmed\switched models, Programable USB PC models and "NEW" Wireless Bluetooth models for Apple or Android. Performance & security by Cloudflare. Remember they have to go in the exact spot they came out of it. 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. All engine parts are cleaned, prepped and machined or new. If using a performance aftermarket cam, it may be different than what is listed in the manual. 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. They will measure the new pistons to bore the cylinder. If you are using an adjustable cam gear then you can do all of this without removing the timing gears again unlike a offset key which can have +/- 1-2 degree tolerance range. Cutting the valve seats: The most common is a three angle seat for better performance and sealing. Camshaft if needed/desired. Remove no more than .010 so that the head gasket will seal properly. Totally computer controlled, and programable, this specialized equipment eliminates inaccuraties and errors that can be introduced with manual equipment. Once the engine starts you want to set the idle at approx. 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. Austin Healey, MG or Triumph we can build it better than original and to any performance level. Install your newly rebuilt engine in your car. Carburetor Rebuild Kit, Weber DGV Downdraft . Really?). Move to zero and then around and stop at .005 past zero. We know as the piston idles around TDC the cranks motion doesnt produce much stroke so the positive stop method is more accurate and easy too. I use a Moss high performance Pro Sport model on my MGB racecar and can attest to its high quality. $29.77. A frind ran a Ginetta G4 with a 3 main Ford MAE - 3 main, 9500 rpm red line (albeit with a short stroke). Its okay if areas around the water jacket do not completely clean up. I did the SU conversion source from Quantum Mechanics along with a 5 speed transmission also sourced from Quantum. Now loosen the crank nut and rotate the degree wheel to reflect TDC on it. Handy Tip: Use a Sharpie to put markings on parts you have already torqued or checked clearance to know where you are in the process. (Not for racing, just to bring them into the 21st Century and to get my little Midget screaming down the road). I always use bearings supplied by Jigsaw Racing, and with the above, they are long lasting, even inhigh revving engines. The bolts holding the adjustment on the cam gear are small (-28), and if you torqued your cam retaining nut later, which has a much higher torque spec, you could overpower the smaller bolts and change your cam timing. 1979 TRIUMPH SPITFIRE 1500 MK IV. Great Savings & Free Delivery / Collection on many items . Search (123\Tune+) For perfect timing. But now you will know what degree of offset key to order. | Never miss an article, [Editor's Note: This article originally ran in the March 2013 issue of Classic Motorsports. There was an article in Classic Motorsport comparing different SUs to different Webers on the same MGB B-series engine. MATCHING RED FACTORY HARDTOP. .0015 to .002 is acceptable. Dont let any steps get overlooked. Power is, This documentary tells the story of the humble Land Rover, from its origins immediately after WWII as a four-wheel drive farm tractor replacement right, This is the Triumph Scrambler 1200 XE stunt motorcycle that was used while filming the memorable chase scene in the James Bond film No, This Jaguar E-Type has been built to Semi-Lightweight specification by XK Engineering, its powered by an all-alloy Crosthwaite & Gardiner 3.8 liter straight-six thats, The Volkwagen SP2 was developed by Volkswagen do Brasil specifically for the Brazilian market as a locally producedsports car. Silodrome was founded in 2010 as a website dedicated to Gasoline Culture and all it entails - We write about modern cars, classic cars, motorcycles, racing, gear, gadgets, clothing, boats, planes, airships and the occasional submarine.Read more Silodrome 2023. all rights reserved. The idea is to remove all the accumulated junk, especially from critical areas like the float bowl and jets. Now that you have found TDC, move the dial indictors outside bezel to reflect zero at the needle point. Test fitting the crankshaft and bearings Copyright 1995-2023 eBay Inc. All Rights Reserved. Oil Pump and Exterior Assembly Initial start up 5.00 postage. New rocker arms are not expensive and in many cases less than the cost of having your originals rebushed and refaced. Make sure all stud and bolt threads are oiled. To avoid offsetting the soon-to-be-realized power gains, make sure the new system is not too restrictive. The magnaflux chemicals help the machinist detect cracks. The solution is an electric fuel pump in the trunk, and bypass the mechanical pump. This is very important, because if you are not on TDC, all your readings will be wrong. During break-in, check for leaks. I start with the #1 piston. 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. Many British engines have cam bearings in the block. If it is worn, have it replaced as well. The crankshaft needs to be measured for wear and sizing. Third, install the main bearings in the main capsbut dont install the caps yet. Apologies, confusion re std. 3 times until he put the Vandervells in and were find after 6 events. Make sure you use assembly lube on every main cap and your thrust washers as well. Use new gaskets and properly clean all mating surfaces. Tim mentions the Weber DGV as a suitable alternative carb. By Because these parts are designed by Triumph to fit the cars, the swap is a snap and the results are nothing shortofremarkable. Personally, I'd just check the originals for signs of stretch and reuse them. After refreshing the carburetors, the next step is simply to replace the intake and exhaust manifolds with the European-spec pieces. I also experienced the thrust washer failure which ruined the crank so my advice is to keep your foot off the clutch as much as possible. Current car: 1980 Triumph Spitfire Past cars: 1975 Triumph Spitfire, 1973 Austin Mini, Triumphs and Jags back in 1972 (58k scanned image of an official price sheet) Building an engine test stand Assorted first hand tech rebuilds Rebuilding Seats Windshield chrome Trim Oil Cooler Installation New Pistons and rings Grinding Rings New Dashboard Front Spring lowering Stainless Steel Brake Lines Rear axle tricks Interior Trim All rights reserved. I have seen someone fitting an extra thrust bearing by machining the cap to suit - but keep some material for retaining the extra and existing bearings. 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. Read the Forum Help (FAQ) or contact the webmaster. An adjustable cam gear is really worth it if your budget allows. The MG motor was incapable of being enlarged, just getting itto 1275 had required engineering handsprings (offset conrods? The CNCblock machining center is a major contributor to the high level of quality and performance on our engines. Inferior steel in the crankshaft, narrow bearings and thrust washer inadequacy posed issues for the 1500 and on top of that the single carb is a negative, as your test showed A competitor in my race group used to refer to his 1500 as "Mr Floppy" (referencing the crank, which precluded using high rpm). At the end of the day if it needs a rebuild every 40/50k its notthe end of the world as that is plenty of years use! anglefire is my forum name across all forums I use. | From the March 2013 issue Install and torque the main caps one at time. No problem. Once the studs are installed (if applicable) then install the head gasket. With your choice of advance curves or a tunable unit. Body & Chassis Brakes Clutch, Gearbox & Axle Cooling System Electrical Engine Exhaust Exterior Fuel System & Induction General Accessories Heating & Ventilation Interior 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. For most, dropping off the cylinder head complete to a machine shop is the best idea. Degree wheel I wouldn't bother changing the main bolts either, and I don't think loctite is a good idea. I think that they are 3.67 to 1. This reduces flow to the mains. $4315. The 1500 is a stroked 1300 and like all stroker engines, they make torque down low, but do not like higher RPMS. (TR6 engine block in the process of being CNCmachined, cylinders being bored). 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. 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 Powered by Gasoline and Caffeine. His advice on road cars and racers is often the last word. 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! Car. 5500 13.93 16.04 Remember, these parts may be nearing their 40th birthday, so go with a reputable dealer. 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. Check your camshaft end float 21.49. The MG Midget and Austin Healey Sprite High Performance Manual - Daniel Stapleton 2008 Covers all aspects of modifying the MG Midget and Austin Healey Sprite for high performance. 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. Line boring insures that all crank journals are in perfect alignment and properly sized. 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. Includes engine/driveline, suspension, brakes, In England, Triumph Spitfire 1500s were sold with dual SU carbs. Lots of fun to drive.. Which is a big part of a rebuild, A better solution is to use this as an excuse to use larger intake valves and enjoy improved performance. Sidedraft carbs are the best alternative, especially twin Weber DCOEs. Be sure to use engine oil with 1200 ppm of ZDDP to insure long engine life. The strut towers have also been chrome plated and fitted. I really like the improved proformance. 3 main engines were definitelymore common but Triumph had a lock on using only half the thrust washers other manufacturers (like MG) did in that period - a definite shortcoming. The mean piston speed will be 26.5m/sec. We will cover that later. 4.20 postage . Water pump 6500 16.47 18.96 For the earlier 4 cylinder engines we always fit upgraded rear oil seals, an . The Triumph Sports Six Club Record your reading. A Speedi-Sleeve can be used to renew the surface. A short engine is the middle section of the engine assembly, namely the cylinder block. Once you torque it to spec turn the crankshaft by hand, you should feel a nice fluid motion without any binding. It is a normal practice to oil the threads on all engine high torque bolts to help reach true torque. It has transformed the Midget into a nice little cruiser. Crankshaft grinding is a very skilled part of the machine shop phase. MG MIDGET (late model) TRIUMPH SPITFIRE 1500 MOTOR ENGINE REBUILD SERVICE Refurbished $2,695.00 timwhomi5 (2,345) 99.6% or Best Offer Freight 39 watchers Sponsored New Complete Engine Seal and Gasket Set Triumph Spitfire 1500 MG Midget 1500 (For: Triumph Spitfire) Brand New $59.94 sportscarpartsltd (55,071) 99.7% Buy It Now Free 3 day shipping 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. Some information and prices may be differenttoday. All engines are run and broken in prior to installation or shipping to the customer. I've seen talk of 100HP from some out there, but I have to admit that the 3 main bearing crank arrangement scares me pretty badly. 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. The Kent fast road grind has a lot of lift but not a lot of duration which keeps the power band from being pushed too high. Deck H $3,341.18 New ---- Used Dart SBF SHP Iron Block 4.125 Bore 9.500 DH - 31375235 $2,999.00 New ---- Used The OEM guides are cast iron. As JohnD mentioned, you can optimise the pump to minimise clearances between the body and rotor, see:http://tr6.danielsonfamily.org/OilPump.htm. 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. Keep your manual close at hand for the assembly stage. 7000 17.73 20.42 Apply 30W motor oil to the cylinder walls and the piston skirts. DO NOT be tempted by an external oil line to the cylinder head. Protection by optimising the oil supply is another option. Sometimes old paint will strip off if soaked long enough. 20 ASSEMBLY 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. You will need some headwork, and a skim o achieve a higher compression ratio (depends on the cam). The weber downdraft is basically the same carburetor that was used on early German Capris and Ford Pintos (1970s). Install the camshaft, front engine plate and cam thrust plate This guy does a good job of outliningthe issues with the 1500: http://triumphspitfire.rickbaines.com/weaknesses-of-triumphs-1500-engine/. I had a re-used bolt shear, causing catastrophic damage, my first rebuild. 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. If you are reusing your existing camshaft your lifters can be reused if they are in good condition. Shifts well, stops well. 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!) Having trouble posting or changing forum settings? For example, most modern black composite material head gaskets require no coating or sealer. These items are shipped from and sold by different sellers. Quickview. And the engine was a huge part of that. Install the valve cover. My spit was a 79, and when I compare it to the other tech available at the time it just looks sad. A nifty-looking, dual-inlet air cleaner wrapped in a black crackle finish was part of the package. Over the past 8 years I ahve been upgrading my 1500. Very nice condition 50 year old car. But not just any pump--SU carb float valves will allow gas by if it's under too much pressure, so you need a low-pressure pump or pressure restrictor in the system. Purpose manufactured components designed to replace faulty original designs - for increased reliability and durability. Dont let this step scare you. Check for oil pressure before cranking. They can be rebuilt/modified by anyone who knows SU's. I tried the Weber DGV for a while but the SU's are more responsive plus I get better gas mileage ( the 5 speed helps). Pat Garity. TR3B-TR6 four speed gearbox with A-type OD base rebuild pricing $3250. I've googled and it seems to be questionable! Triumph Spitfire 1969-1980 Owners Workshop Manual: Glovebox Edition (Practical Classics & Car Restorer) $2000. The cost for this setup is only about $400 to $500, depending on the source and condition of the parts. Have them measured by your machinist. 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. You need to be a member in order to leave a comment. Cylinder Head Given that MG and Triumph were both owned and built by BLMC, choosing the Spitfire motor for both was a no brainer. Discuss with the machine shop the piston size. I was always much more partial to the 1296cc Spitfire engine than the 1500. Hardened exhaust seat inserts are a must for the hotter burning unleaded fuels used today. Connecting Rods Next, install the cylinder head. Engine Machining & Assembly Photo Gallery. Oil pump whether you replace with new or reuse your current oil pump you will need to disassemble it and check the clearances. 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? The Triumph SC (small car) engines were never derived fromtractors. 4-SPEED, DISC WHEELS. As always, check your local emissions laws. Then I realised itd be quite cool to make it an animation. The 3 main floppy 1500 crank can live well at higher RPMS than a stock 1500, if rotating and recipricating assemblies are well ballanced and good ARP main studs are used. 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. 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. What you are looking for is the point the dial indictor needle quits moving as the piston comes to the top of the block. Install the crankshaft and bearing I tell my customers to go where the racers go. Its really more simple than people make it out to be. Make sure you watching this film right to the end, I guarantee youll get a laugh out of it. My best friend has a Fiat with a DCV on it that responded VERY well to it. Full Engine Rebuild Kit - 1500 - RL1001RBK This full engine rebuild kit includes the minimum of parts required when rebuilding an engine (less crank & cam); and assumes that your cylinder block, head, crankshaft & camshaft are all serviceable. 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. The three-main-bearing design did not lend itself well to hard use. Mathew Members 4.2k Posted March 30, 2021 As always, once we test fitted the manifold, we sent it to Swain Tech Coatings to be coated. Make sure to lube all points of contact. 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. Inspect your valve guides next. Early Spitfire and Heraldengines had lock tabs (https://www.canleyclassics.com/triumph-spitfire-mki/ii-crankshaft-and-camshaft). Regrinding the original cast iron exhaust seat is a short term answer, as valve seal will be lost in a short period of time. If you build a 1500 properly and respect it then this much maligned engine can be as dependable as any other Spitfire engine. Do both methods and you will see the dial indicator method can lead you astray by a couple degrees. as perspicacity of this Triumph Spitfire 1500 Engine can be taken as skillfully as picked to act. (To replace my old engine, which had suffered catastrophic failure). Right off the bat, this larger engine delivered more torque than its predecessor. Ray Ciccarelli, Hello But the US emissions regs sucked away both torque and power. AVAILABLE IN STANDARD OR ALL REGULAR OVERSIZES [ E-MAIL OR TEL. 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. They don't appear on any of the Canley GT6 diagrams, but they were certainly there the first time I took the sump off in 1979, or there abouts. 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. In some states, this kind of modification is a no-no. 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. Crankshaft bearings for the connecting rods and main bearings. | Set your dial indicator on the top side of that push rod. Thrust bearing in the proper size. Chances are your cam timing is probably not where it needs to be. 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. 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. ENGINE REBUILD KIT FOR MG MIDGET 1500 [ THE TRIUMPH ENGINE ] 1975 - 1980 . MG, Good information. They could save you a big hassle later. Clutch kit. 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. "Blueprinting" the crank, making absolutely sure that it is built to precise spec, with best quality parts, is what you have been discussing with Pete and Clive. I have rebuilt a dozen or so engines (probably double!) Maybe Moss Motoring can find a engine builder that specializes in these engines to do article on them, I know I would read it with great interest. 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.
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