Now that you have found TDC, move the dial indictors outside bezel to reflect zero at the needle point. Triumph Spitfire - Engine rebuild - YouTube Restoration of my Triumph Spitfire showing the newly rebuilt engine by Prather Racing - Kent Prather and myself. Stroke(mm) = 76 Stroke(mm) = 87.5 This guy does a good job of outliningthe issues with the 1500: http://triumphspitfire.rickbaines.com/weaknesses-of-triumphs-1500-engine/. It's a surrogate for the actual stress calculation that works out the acceleration of the piston, whichis a LOT more difficult! Spitfire/GT6 site suggests E for engine, to avoid confusion with commission number. For instance,the 2014 Renault F1 engine has a stroke of only 53mm but is limited to 15,000rpm! From the the tight budget, to the all-out approach, I've done it all, and can help you with your project item 3 Triumph Spitfire 1500, MG Midget 1500 Rebuilt 4-Speed Transmission, Original, !! I'll be making sure that my new one is as good as it can get to the "best" end of the specs. July 19, 2014 @ 4:35 am So, if not Vandervell, what other makes are recommended? No problem. The factory paired these preferred carburetors with a free-flowing, cast-iron exhaust manifold that emptied into twin pipes. Our reconditioned full engines have one of the highest rebuild specifications available on the market. Sign up for a new account in our community. However bad previous repairs, rust, and a desire for more power, resulted in You can use new lifters with a used cam but never used lifters with a new cam. Inspect the rocker arm bushings and replace if needed. Freshening a carburetor is not as scary as it sounds, and companies like Quantum Mechanics supply the necessary kits. Triumph removed the lock tabs quite early on in production and never reinstated them despite loads increasing considerably (e.g. Set your dial indicator on the top side of that push rod. Make sure to clean and lubricate your throttle linkage, too. Cylinder head A nifty-looking, dual-inlet air cleaner wrapped in a black crackle finish was part of the package. You can get a reaction between different paints causing wrinkling. Remember, these cars were optimistically rated at about 70 horsepower at the crank. The 1500 is a stroked 1300 and like all stroker engines, they make torque down low, but do not like higher RPMS. Install the cam thrust plate, timing gears, chain and tensioner (if applicable) following the workshop manual guidelines. As for the MG Midget, I preferred the 1275. This firm finds these parts overseas and imports them for American enthusiasts. Some connecting rods have floating piston pins, the bushings will need to be checked for play and wear as well. A fair amount of work, but nothing too technical, and it saves the engine. 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 With the degree wheel and pointer installed, put the magnetic base on the top of the engine block surface or deck. Opening out the oilways in the block, cross drilling and ovalising the orifices are all possible, as is optimising the oil pump. It is a normal practice to oil the threads on all engine high torque bolts to help reach true torque. Handy Tip: If using an adjustable cam gear, torque the cam retaining nut to manual specs before making your adjustments. Thrust bearing in the proper size. | Alfa Spider vs. MGB vs. TR6 vs. Miata. The CNCblock machining center is a major contributor to the high level of quality and performance on our engines. This reduces flow to the mains. Camshaft if needed/desired. 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. Sometimes honing is necessary to get the proper fit. The rubber insulator can crack and wear out over time. (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. 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. It will smooth out an engine and pull locked up hp to the fore. We will cover that later. Apply 30W motor oil to the cylinder walls and the piston skirts. And here's the reason why. | Posted in Initial start up It will be your main point of reference. If the surface isnt flat, have the deck resurfaced. The carb is a two stage design, so it's essentially a one barrel with a secondary that comes on at full throttle. The 1300 Spitfire and MG motors shared quite a lot; iron block, 3 main bearing crankshaft, similar bore & stroke, similar cylinder heads, similar carbs, similar power. Triumph produced the fun and affordable Spitfire for 18 years, during which time over 314,000 were built. theres no dirt inclusions ,or scuffing , look very good to me Like so many other emissions-era carburetors, ours caused the car to surge and run leanespecially at highway speeds. Add to Cart. You can email the site owner to let them know you were blocked. 1980 1500 Spitfire, I just added new cap, rotor, wires, pertronix ignition and flamethrower coil. Head has been gas flowed and the inlet ports "matched" apparently and it came complete with rebuilt carbs, alloy rocker cover and a twin pipe sports exhaust and4-2-1 header. Once all of the pistons are in you can rotate the engine to the access the bottom side. Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Save on Engine Blocks, Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- You may also like. Check for oil pressure before cranking. I own a suitable license for this piece of music, supplied by Chris Worth Productions. 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). Shifts well, stops well. I would like to fit a sports exhaust at the same time too. Your connecting rod will almost always warrant big end resizing, and considered a must if you replace the connecting rod bolts. Spitfire Performance Upgrade Parts Fast delivery worldwide Payment options including PayPal British car experts 01522 568000 1-855-746-2767 Bolting on the new carburetors is easy, and since this is a factory setup, the throttle cable will perfectly join the existing system. I start with the #1 piston. Read the Forum Help (FAQ) or contact the webmaster. I have rebuilt a dozen or so engines (probably double!) In England, Triumph Spitfire 1500s were sold with dual SU carbs. Triumph Spitfire Restoration Parts and Accessories | Moss Motors 2023 Events New & Featured Moss Motors 75th Anniversary Coin 010-915 $6.00 Products You Might Like Air Filter Element Midget, Spitfire 1975-80 950-805 BACK ORDER - We are temporarily out of stock on this item. Im only really in the planning stages as when I do pull the engine, Id like to do things like make sure the head is lead free - Im told it was done by the guy who rebuilt it before the last guy who I bought it from. Need oversized lifter / tappet bores? bolts. Deck H $3,341.18 New ---- Used Dart SBF SHP Iron Block 4.125 Bore 9.500 DH - 31375235 $2,999.00 New ---- Used Thrust washers needed to be maintained, or crank walk would destroy themaswell. 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). 2023 Motorsport Marketing. I think that they are 3.67 to 1. The OEM guides are cast iron. After boring, your block will be honed to get the proper finish on the cylinder wall. All rights reserved. Body & Chassis Brakes Clutch, Gearbox & Axle Cooling System Electrical Engine Exhaust Exterior Fuel System & Induction General Accessories Heating & Ventilation Interior The machine shop should magnaflux your crankshaft to rule out any cracks. All spark advance is handled electronically. AVAILABLE IN STANDARD OR ALL REGULAR OVERSIZES [ E-MAIL OR TEL. I use .005 before and after maximum camshaft lift. 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. He has a 2 liter OHC compared with the spit's little push rod 1500. Your manual will tell you the clearance specs, and you need to use an assembly lube on all moving parts inside the oil pump. What you are looking for is the point the dial indictor needle quits moving as the piston comes to the top of the block. 6500 16.47 18.96 This website is using a security service to protect itself from online attacks. Took the car out for a ride and have a small backfire after shifting. At least the MG stayed 'all British'. Be sure to use engine oil with 1200 ppm of ZDDP to insure long engine life. Its okay if areas around the water jacket do not completely clean up. Did mean I had to buy an engine hoist, load leveller and engine stand this week too. As of March 2007, all of our engine block work is carried out to the extremes of perfection on a CNCengine machining center. Your machine shop can easily do this for you. 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. For a road engine there are a few simple things. I use .003 clearance on my manganese bronze guides. Its a good idea to replace the rocker shaft. Copyright 1995-2023 eBay Inc. All Rights Reserved. Shop Work Otherwise, enjoy the car, collect the stuff you need and don't put yourself under pressure! In addition there are no springs or weights to fool with. While often lamented, Triumphs 1500cc, four-cylinder engine is still owned and loved by thousands of enthusiasts. Larger and the vital internal parts should be cleaned by professionals in an industrial parts washer. Install the valve cover. Its really more simple than people make it out to be. Degree wheel The magnaflux chemicals help the machinist detect cracks. Line boring insures that all crank journals are in perfect alignment and properly sized. Install lifters, pushrods and cylinder head. WishboneClassics is able to perform certain machining operations on your engine that you cannot have done elsewhere. Street engines are warrantied for 12 months / 12,000 miles (contact us for complete details of the warranty). 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). If youve got the okay from Johnny Law, a straightforward swap to dual SU carburetors can net you a more fun and agile driving machine. Powered by Gasoline and Caffeine. Bolting Dual DCOEs on a stock engine would would hurt driveability. There is nothing inherently wrong with a properly designed 3 main bearing engine. 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. Engines & Engine Component Rebuilding Services. Detractors complained of durability anddrivabilityissues. Rocker arm bushings, if needed, Gaskets and the final touches Protection by optimising the oil supply is another option. I wouldn't bother changing the main bolts either, and I don't think loctite is a good idea. The 123 ignition(distributor) is a modification that employs spark balancing, like used in formula race cars. Crankshaft grinding is a very skilled part of the machine shop phase. I discussed addinglock tabs with the engineer when I did my Herald engine, but he warned against it. We can rebuild or repair your engine to factory specifications, and in most cases to much better than factory specifications. From your local part store you will need to purchase the green plastigauge with a measurement range for .001-.003. | Never miss an article, [Editor's Note: This article originally ran in the March 2013 issue of Classic Motorsports. $118.99. BLACK SOFT TOP. What have you done to upgrade your 1500's? I can then, at my leisure,rebuild the one in my car now and either sell it on or do another swap. Strengthening the bottom end isn't an option, unless you go for a steel billet crank and conrods. 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. DO NOT be tempted by an external oil line to the cylinder head. This is really useful and clearly written. Rpm 5000 12.67 14.58 Measured engine output had improved nicely: We posted 65 horsepower and 78 lb.-ft. of torque during our next visit to the dyno. They look 10X better in the engine bay on a 1300 or a 1500 than a ZS or Weber and have been around forever. A 439 inch small block that put out 739HP on pump gas. Its rated horsepower was 104 hp in its final year of production, which was 1973. Please contact us for further details concerning . Sort By Price But there were some problems. Guess 3 mains and a thrust bearing that falls out were state of the art back then. Once you torque it to spec turn the crankshaft by hand, you should feel a nice fluid motion without any binding. Carefully remove the main cap and use the graph on the paper slip the plastigauge comes with to determine the clearance. If theres any drawback, its the legal ramifications. Make sure you use assembly lube on every main cap and your thrust washers as well. WHAT A MACHINE SHOP SHOULD DO It set the record on 60% nitromethane, naturally aspirated. Yes I know it was built from parts in the 50s and the design never changed. Pointer this can be as simple as a piece of wire bolted to the front side of the block. If your engine has a harmonic balancer, it will have a rubber insulator between the inner and outer rings. Another way to look at it is to work out how much the piston weighs in use. Current car: 1980 Triumph Spitfire Past cars: 1975 Triumph Spitfire, 1973 Austin Mini, THE FINAL LAP 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. And it's easier/cheaper than replacing the crank and rebuilding the engine! You will do this similarly to your crankshaft end float. Now loosen the crank nut and rotate the degree wheel to reflect TDC on it. But this is for high revving engines, not road use. In some states, this kind of modification is a no-no. As always, once we test fitted the manifold, we sent it to Swain Tech Coatings to be coated. Our zero-to-60 times dropped by more than 2 seconds. 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. In recent years we have become especially well known for ourperformance Triumph TR6 engines, which put out incredible power while improving durability and eliminating faults with the original design. 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. FUEL PETROL PUMP (**See Engine No**) (1970- 74) 20.50. If using a performance aftermarket cam, it may be different than what is listed in the manual. Third, install the main bearings in the main capsbut dont install the caps yet. As JohnD mentioned, you can optimise the pump to minimise clearances between the body and rotor, see:http://tr6.danielsonfamily.org/OilPump.htm. Get Started And, once you have the engine block on the engine stand, youre ready to dive in. But now you will know what degree of offset key to order. 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. A window into racing in the 1960s | Sebring Special MGBs: How an MG TC gave way to a worldwide British car enterprise. Instead, Ill tell you about steps the manual may not cover, and about the engine assembly sequence that can be helpful to you. But no proof or paperwork so Im assuming it wasnt. It's easy! I'll look for the head stamp and see what it says. Really?). 5000 rpm may be a conservative limit even for a 1500, but it's easy to see that thelonger stroke engine approaches the 20mps limit far sooner than the earlier engines. 20 WHAT YOU CAN CLEAN YOURSELF Quantum Mechanics offers these as used sets with manifold pulled from old Spits in England. A larger motor was needed. Check the wiper section of the rocker arm where it makes contact with the valve stem. Water pump " Create your own unique website with customizable templates. Intake valves dont require hardened seats since they are not subjected to intense heat. Never assume a new oil pump should not be taken apart and checked. Is there a howitzer story there? Copyright 2018 Wishbone Classics. Discuss with the machine shop the piston size. Vandervell do come up on eBay from time to time, but most are showing their age from long term storage. At this point the machine shop is ready to assemble the cylinder head. All in, you could easily complete this job for about $700 if you do the work yourself. Rod bolts I recommend replacement. NEW PARTS The piston should now slip into the bore. Scott Sewell. I'm just curious where this little motor might go if tuned and built properly. as perspicacity of this Triumph Spitfire 1500 Engine can be taken as skillfully as picked to act. This is a Fiberfab Jamaican II, it was built in 1983 using a Fiberfab tubular steel chassis and a sleek, lightweightfiberglass body. They can be rebuilt/modified by anyone who knows SU's. US Supplier of 123Ignitions, Pre-programmed\switched models, Programable USB PC models and "NEW" Wireless Bluetooth models for Apple or Android. So I always set timing by ear, drive the car and try to get it to pink. It includes the crankshaft, bearings, pistons; it excludes the sump, oil pump, camshaft, cylinder head. The key here is getting the entire setup, including the linkages. 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. Dealer 12,500 Triumph spitfire Triumph spitfire SOLD 1973 not sure of mileage last owner se. We also redid the air cleaner with the original black crackle finish. item 1 MG MIDGET (late model) TRIUMPH SPITFIRE 1500 MOTOR ENGINE REBUILD SERVICE, item 2 MG MIDGET TRIUMPH SPITFIRE 1500 FP ENGINE BLOCK. Valve guides Buy used Triumph Spitfire motors/engines from our network that offers up to a two-year warranty on qualified units! 5.00 postage. But the Spitfire could be easily stroked to 1493 ccto regain some performance. The Spitfire has headed over to the garage where the brakes and suspension components have been stripped, sandblasted and painted and have started to be fitted. And oversized washers are available if there's wear on the crankshaft. Rocker shaft On some crankshafts the area where the seals ride can wear over time and new seals alone may not insure you wont have leak. Crank bearings are supplied standard size and pistons are supplied +0.020" oversize. 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. 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. Record your reading. 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. Crank bearings are supplied standard size and pistons are supplied +0.020" oversize. Oil pressure regulator parts They are inexpensive, so replace them. This measured sprint took us an alarming 14.7 seconds to completenot very sporting for a sports car. 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. In this way, conrods can be made 15% lighter and stronger than the OE ones. Get the distributor modified to match the cam (the Distributor Doctor) and find somebody to set the carbs up on a rolling road. Its important that this be accounted for because too much clearance would cause a loss of oil pressure and too little clearance could cause damage to the bearings and crankshaft. You dont want anything to be bent or stuck, as this will affect your cars operation. 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. I remember reading a brief article in Road & Track back in the 70s that with the two SU setup, there's a problem that at higher RPM the mechanical fuel pump doesn't deliver enough gas, causing fuel starvation. At some point in the nearish future, I will be stripping and rebuilding my Spitfire's engine. The best currently available bearings are King Tri-metal which most suppliers (e.g. Add to Cart. Pinning them with a couple of 4-40 flathead brass machine screws is a simple effective solution. The American exhaust system from the downpipe back will need to be replaced, however, as it wont mate to the European-spec downpipe. It went like stink. Get your hands on the complete Triumph factory workshop software. These are both good solutions, but we went with an even easier fix on our1973Spitfire. 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. It takes a trained eye to do this procedure. Follow the advice of the head gasket manufacturer in regards to coating. Triumph Make sure your crankshaft is at BDC (bottom dead center) meaning the crankshaft journal is closest to bottom of the engine. Most cam lifters can be installed after the cam, but on the MG and Austin Healey A-Series engine, the lifters have to be installed before the cam is installed. All pricing, component availability, and terms of business are subject to change without notice. The big end of the connecting rods that clamp around the crankshaft need to be checked for sizing. The shop will most likely resurface the cylinder head to insure flatness, and provide for a good sealing surface for the head gasket. How have you set the timing?? For example, most modern black composite material head gaskets require no coating or sealer.
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triumph spitfire 1500 engine rebuild
