triumph spitfire 1500 engine rebuild

Initial start up A new set isnt expensive. The OEM guides are cast iron. Install and torque the main caps one at time. 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. If you want to uprate the big end bolts but don't feel like splashing out on ARP, you can also use Cosworth (YB?) Current slide {CURRENT_SLIDE} of {TOTAL_SLIDES}- Best Selling in Engine Blocks. Scott Sewell. Took the car out for a ride and have a small backfire after shifting. The vehicle was based on a design produced for Standard-Triumph in 1957 by Italian designer Giovanni Michelotti. Something went wrong. 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. 4>2>1 manifolds easy to source, and the canley single sports box would be my choice. Make sure the piston is marked front and that you are installing it in the proper direction. Anyway even with the taller gears the engine isn't so high strung that it lugs at all. Clutch kit. 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! 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. Check the straightness of the top of the blocks deck where the cylinder head attaches. Those upgrades transformed my previously 1300 powered car, and it did well at club autocrosses. (Not for racing, just to bring them into the 21st Century and to get my little Midget screaming down the road). Cylinders are bored to the next oversize Crankshaft is turned to the next undersize Valve springs, Rocker arms assembly And oversized washers are available if there's wear on the crankshaft. Lots of fun to drive.. Which is a big part of a rebuild, 7000 17.73 20.42 Now stop at .005 before the indicator reaches zero, or maximum lift, record your readings at the degree wheel. .0015 to .002 is acceptable. But the Spitfire could be easily stroked to 1493 ccto regain some performance. Cutting the valve seats: The most common is a three angle seat for better performance and sealing. Chances are your cam timing is probably not where it needs to be. The engine rebuild kits can be anything from stock, to mild, to wild street performance, to a even a full out race engine. | From the March 2013 issue an improvement of nearly 25 percent. I think that they are 3.67 to 1. It is now running with high compression pistons, UK-spec cam, UK-spec 4-2-1 exhaust manifold, and HS4 carbs. The factory paired these preferred carburetors with a free-flowing, cast-iron exhaust manifold that emptied into twin pipes. An adjustable cam gear is really worth it if your budget allows. 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. Use a wooden, or plastic hammer handle, to tap the top of the piston down into the bore. The crankshaft needs to be measured for wear and sizing. Pointer this can be as simple as a piece of wire bolted to the front side of the block. 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. Its okay if areas around the water jacket do not completely clean up. Inspect your valve guides next. They can be rebuilt/modified by anyone who knows SU's. Move the crankshaft the normal operating rotation (clockwise when facing the front of the engine) until you see the needle reach maximum camshaft lift. TRIUMPH SPITFIRE MkI,II,III,IV & 1500 (1959-80) FUEL PUMP REPAIR KIT. Sometimes old paint will strip off if soaked long enough. Having trouble posting or changing forum settings? Make sure all stud and bolt threads are oiled. Purpose manufactured components designed to replace faulty original designs - for increased reliability and durability. Our initial zero-to-60 testing was just as depressing. Purchase a good quality assembly lube. 20 As always, check your local emissions laws. Once you torque it to spec turn the crankshaft by hand, you should feel a nice fluid motion without any binding. For the earlier 4 cylinder engines we always fit upgraded rear oil seals, an . Many British engines have cam bearings in the block. Engines & Engine Component Rebuilding Services. 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. I did the SU conversion source from Quantum Mechanics along with a 5 speed transmission also sourced from Quantum. $4315. Buy Triumph Spitfire Fuel Pumps and get the best deals at the lowest prices on eBay! DO NOT be tempted by an external oil line to the cylinder head. This number could vary, as long as it is the same exact point before, and after maximum lift. I have a lot of experience in building engines, I even put together a current class record holding engine at Bonneville. Performance & security by Cloudflare. ASSEMBLY Theory is great, but how much does this swap really help performance? Which classic roadster offers the best top-down experience? found some suitable music, rekindled my ancient knowledge of Premiere, storyboarded it, shot it as I worked on the engine (my poor DSLR got covered in engine oil), this was the result. Bottom end Save my name, email, and website in this browser for the next time I comment. A 439 inch small block that put out 739HP on pump gas. The 123 ignition(distributor) is a modification that employs spark balancing, like used in formula race cars. Click & Collect. I discussed addinglock tabs with the engineer when I did my Herald engine, but he warned against it. Right off the bat, this larger engine delivered more torque than its predecessor. Bring in the camshaft you are using to insure it fits with the new cam bearings. This is a Fiberfab Jamaican II, it was built in 1983 using a Fiberfab tubular steel chassis and a sleek, lightweightfiberglass body. AnglefireSeptember 30, 2017 in Engine. Then I realised itd be quite cool to make it an animation. I wont cover every little detail that a manual will tell you about engine assembly. 6500 16.47 18.96 Also worth making sure the crank end float is correct (oversize thrust washers usually required, get them the right way round too). 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 machine shop should magnaflux your crankshaft to rule out any cracks. ENGINE REBUILD KIT FOR MG MIDGET 1500 [ THE TRIUMPH ENGINE ] 1975 - 1980 . The goal is to find maximum camshaft lift on the indicator. sorry real name is Mark - Ill update my signature when I get 5 ! 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. Instead, Ill tell you about steps the manual may not cover, and about the engine assembly sequence that can be helpful to you. The music is In The Hall Of The Mountain King from Edvard Griegs Peer Gynt Suite 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. As you'd expect Vesseys are the specialists in the repair and reconditioning of the Triumph 4 and 6 cylinder engines. 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. 4-SPEED, DISC WHEELS. Lighter pistons and lighter conrods, by reducing their mass. TR3B-TR6 four speed gearbox with A-type OD base rebuild pricing $3250. I have only ever torqued up to the factory spec, and never had any issues. Have your timing light ready to set the timing. Cam bearings I prefer the full circle type item 3 Triumph Spitfire 1500, MG Midget 1500 Rebuilt 4-Speed Transmission, Original, !! Privacy Policy - Terms of Service - Contact Us, Rare American Sports Car: The Fiberfab Jamaican II V8, Full Documentary: The History Of Land Rover, For Sale: The Triumph Scrambler Stunt Motorcycle From James Bonds No Time To Die, Street-Legal Historic Race Car: A 1962 Semi-Lightweight E-Type, Unusual Project Car: A Brazilian Volkswagen SP2, For Sale: Ferrari F40 Wire Frame Sculpture. 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. 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. Our carbs did need to be freshened, though, and we did that ourselves. This information does not touch on replacing the Piston sleeves(Liners) and the figure 8 gaskets. (203) 463-8299 This is a good time to consider a performance cam. 1296cc, 1493cc) . Yeah, except for Mazda, Ford, GM, Toyota, Mercedes, Nissan, Honda, etc. Bolting Dual DCOEs on a stock engine would would hurt driveability. Bearings shouldn't touch surfaces! The car was an instant hit. from a 1300? | Posted in 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. It set the record on 60% nitromethane, naturally aspirated. Very nice condition 50 year old car. If the gap is too big, have the cylinders bored and new oversize pistons fitted. Crank bearings are supplied standard size and pistons are supplied +0.020" oversize. Feb 2016: We are currently only rebuilding Triumph TR3B (four synchro) through TR6 transmissions and A and J type . 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. Do this one main cap at time working from front to back being careful to not rotate the crankshaft. They are still relatively cheap, but are usually in need of new throttle shafts and waxstat to fixed jet modification. Current car: 1980 Triumph Spitfire Past cars: 1975 Triumph Spitfire, 1973 Austin Mini, They will measure the new pistons to bore the cylinder. 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. 10 watching. Restoration of my Triumph. Deck H $3,341.18 New ---- Used Dart SBF SHP Iron Block 4.125 Bore 9.500 DH - 31375235 $2,999.00 New ---- Used If you are using a copper gasket then use a copper gasket spray coating. Ray, that is a good point, the wet sleeve motors like the Triumph TR3/$ engines are not a engine I work with. Quickview. I know I was able to replace the thrust bearing in my TR-6 by dropping the pan and removing the rear main bearing cap, but can't remember if it the same on the Spitfire. Add those two numbers together and divide by twothat is your cam timing. How do we feel about con rod lock tabs? Hap, Great article but I must disagree with method for finding TDC. Thrust bearing in the proper size. Totally computer controlled, and programable, this specialized equipment eliminates inaccuraties and errors that can be introduced with manual equipment. - I think there is some end float issues amongst others!). All pricing, component availability, and terms of business are subject to change without notice. Its really more simple than people make it out to be. Coat with oil, install and torque the #1 main cap to manual specs. The, The traditional Silodrome was a carnival sideshow attraction also called the Wall of Death." You may also have to replace your connecting rod small end bushings as well on a floating rod type. I prefer tri-metal bearings; they are what the factory originally supplied for many cars. Given that MG and Triumph were both owned and built by BLMC, choosing the Spitfire motor for both was a no brainer. https://www.rimmerbros.co.uk/Item--i-105313. Total price: $93.10. Paddocks) sell. 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. ft/9.5 kgm) at 2500 rpm respectively. And it's easier/cheaper than replacing the crank and rebuilding the engine! The three-main-bearing design did not lend itself well to hard use. Please contact us for further details concerning . Remove the crankshaft. Did mean I had to buy an engine hoist, load leveller and engine stand this week too. Need someone to fit steel main caps to your block and line bore for the proper fit? Clearances and thoughts Its a good idea to replace the rocker shaft. I think these carbs were also stock on 70's era Fiat 124 sedans and roadsters, but I may be wrong. Strengthening the bottom end isn't an option, unless you go for a steel billet crank and conrods. Mean piston speed (MPS) is a simple calculation using the revs and thestroke. 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