WishboneClassics is able to perform certain machining operations on your engine that you cannot have done elsewhere. Includes engine/driveline, suspension, brakes, Some information and prices may be differenttoday. | From the March 2013 issue This is a Fiberfab Jamaican II, it was built in 1983 using a Fiberfab tubular steel chassis and a sleek, lightweightfiberglass body. Make sure to clean and lubricate your throttle linkage, too. If using a performance aftermarket cam, it may be different than what is listed in the manual. How have you set the timing?? Install the cam thrust plate, timing gears, chain and tensioner (if applicable) following the workshop manual guidelines. The magnaflux chemicals help the machinist detect cracks. And is actually a spelling mistake, made the first time I used it. 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. And the engine was a huge part of that. Fuel pump work good (tested). Line up the dots on the two timing gears when installing the chain. Hap, Great article but I must disagree with method for finding TDC. For most, dropping off the cylinder head complete to a machine shop is the best idea. By Tim Suddard This item: Triumph Spitfire 1500: Repair Operation Manual. But do no explore the rev range too often (maybe get a rev limiter!). Stroke(mm) = 76 Stroke(mm) = 87.5 Mean piston speed (MPS) is a simple calculation using the revs and thestroke. I'm just curious where this little motor might go if tuned and built properly. If you build a 1500 properly and respect it then this much maligned engine can be as dependable as any other Spitfire engine. Something went wrong. I was always much more partial to the 1296cc Spitfire engine than the 1500. 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. Southern Rebore Services carried out the machining work. Follow the advice of the head gasket manufacturer in regards to coating. In this way, conrods can be made 15% lighter and stronger than the OE ones. Features Once the engine starts you want to set the idle at approx. However bad previous repairs, rust, and a desire for more power, resulted in Drivetrain 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 shop will most likely resurface the cylinder head to insure flatness, and provide for a good sealing surface for the head gasket. This engine is almost a direct bolt-in. Did mean I had to buy an engine hoist, load leveller and engine stand this week too. The factory paired these preferred carburetors with a free-flowing, cast-iron exhaust manifold that emptied into twin pipes. 21.49. | Posted in NEW PARTS These engines were known to be delicate, especially if over-revved. I'll be making sure that my new one is as good as it can get to the "best" end of the specs. This is where most cracks occur, so the proper filet radius is important for the overall strength of the crankshaft. I use .005 before and after maximum camshaft lift. Please state if alternate sizes are required. Sidedraft carbs are the best alternative, especially twin Weber DCOEs. (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. Triumph produced the fun and affordable Spitfire for 18 years, during which time over 314,000 were built. Oil Pump and Exterior Assembly As of March 2007, all of our engine block work is carried out to the extremes of perfection on a CNCengine machining center. 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! Install lifters, pushrods and cylinder head. The intake will have receded. 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. My spit was a 79, and when I compare it to the other tech available at the time it just looks sad. The key here is getting the entire setup, including the linkages. At least the MG stayed 'all British'. Instead, Ill tell you about steps the manual may not cover, and about the engine assembly sequence that can be helpful to you. Copyright 1995-2023 eBay Inc. All Rights Reserved. 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. Degreeing a camshaft Without question this is a job for a professional. Double and triple check this to make sure you are at TDC. The idea is to remove all the accumulated junk, especially from critical areas like the float bowl and jets. At some point in the nearish future, I will be stripping and rebuilding my Spitfire's engine. Crankshaft Hadone on the street will all the competition Cooper S parts. Does anyone have a good engine building recipe I could replicate for my 1500's? This is really useful and clearly written. All in, you could easily complete this job for about $700 if you do the work yourself. Use a wooden, or plastic hammer handle, to tap the top of the piston down into the bore. Fill the engine with all fluids. With the degree wheel and pointer installed, put the magnetic base on the top of the engine block surface or deck. After this simple swap, our Spitfire was transformed. He has a 2 liter OHC compared with the spit's little push rod 1500. Dealer 12,500 Triumph spitfire Triumph spitfire SOLD 1973 not sure of mileage last owner se. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Copyright 2022 Moss Motors, Ltd. All Rights Reserved. These used to be cheap,but only Burton power (SC248)seems to have them now (7.61 ea). 7000 17.73 20.42 Install all bolts on the exterior of the block, for example, threaded plugs, oil pressure regulator, distributor drive and base, water pump, timing cover, crank pulley, motor mount brackets and seals (always put grease on seal lips to avoid damage during installation). Question is, should ILoctite the bolts and if so which spec should I use. The snaps were so that I remembered how everything went, so I could put it back together again. If it is worn, have it replaced as well. I start with the #1 piston. Mathew Members 4.2k Posted March 30, 2021 We will cover that later. | Dont let any steps get overlooked. Quickview. 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. 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!). 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. Grinding off unnecessary mass from conrods, should be followed by polishing and shot peening, which does increase the strength. Car. Still slower than my prius, these are tractor engines from the 50s. This reduces flow to the mains. 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). My best friend has a Fiat with a DCV on it that responded VERY well to it. As always, once we test fitted the manifold, we sent it to Swain Tech Coatings to be coated. theres no dirt inclusions ,or scuffing , look very good to me item 1 MG MIDGET (late model) TRIUMPH SPITFIRE 1500 MOTOR ENGINE REBUILD SERVICE, item 2 MG MIDGET TRIUMPH SPITFIRE 1500 FP ENGINE BLOCK. For a road engine there are a few simple things. Yes I know it was built from parts in the 50s and the design never changed. On some crankshafts the area where the seals ride can wear over time and new seals alone may not insure you wont have leak. Flywheel If you have just set it to the "book" spec there is every chance it will not be ideal. And real-world performance? Take the connecting rod, with the cap removed, and the rod bearings installed and insert the connecting rod in the bore. Most machine shops have a special tool that can cut all three angles at the same time. It is now running with high compression pistons, UK-spec cam, UK-spec 4-2-1 exhaust manifold, and HS4 carbs. It should come around the outer edge of your degree wheel, preferably on the top side. Lube should be used any place one part makes contact with another that could cause frictionthe exception being the piston and cylinder walls. Thank you very much! ENGINE REBUILD KIT FOR MG MIDGET 1500 [ THE TRIUMPH ENGINE ] 1975 - 1980 . AVAILABLE IN STANDARD OR ALL REGULAR OVERSIZES [ E-MAIL OR TEL. My engine is very user friendly around town and on the highway. The 123 ignition(distributor) is a modification that employs spark balancing, like used in formula race cars. A new set isnt expensive. For the earlier 4 cylinder engines we always fit upgraded rear oil seals, an . Another way to look at it is to work out how much the piston weighs in use. Theory is great, but how much does this swap really help performance?

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