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Raceco design Duratec valves. 36.5 mm inlet and 32 mm exhaust for maximum flow and power. The use of these valves allows for unprecedented airflow figures. Require new valve seat inserts. Material exceeds 21-4N. Plasma nitrided. Valves have no undercut to improve strength and flow and are intended for high performance use. As used in our 300bhp engines £20.00 each |
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Titan roller throttle body & ported Duratec head being tested on Superflow 600 flowbench. Raceco have tested every type of cylinder head and throttle body combination currently available. Porting from £400.00+VAT |
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Camshafts in a range of profiles with vernier sprockets. Durations from 260° to 310° Please call to discuss your requirements.
Pair of camshafts inc. vernier sprockets £400.00+VAT |
NEW!
Raceco design 300bhp cams as used in our 2.2 and 2.3 engines.
Exclusive to Raceco. Not available elsewhere £500.00 pair including vernier sprockets.
Donor Engines
We can supply brand new donor engines for your Duratec conversion. These
engines are usually available from stock. Prices from £1,200.00 to £1,650.00 +VAT. |
 Duratec 2.0 and 2.3 litre engines |
Tuned Engines from 210 to 310bhp
Entry level 210 bhp 2 litre, 165 ft lb 7,500 rpm Duratec engine. There are dozens of Raceco 210 engines powering Caterhams, Westfield and Elises. Engine consists of new base unit with minor head work, performance cams with adjustable vernier sprockets, valve spring and top collar kit, balanced and keyed crank, steel flywheel and AP Racing clutch. ARP rod and flywheel bolts, wet sump casting plus a couple of little modifications we don’t tell anybody about to make the engine more reliable. £4,495.00+VAT Raceco 220bhp 2 litre Duratec engine. The 220 engine is all the components as above plus a full cylinder head porting that is suitable for 250 bhp + engines making upgrades easier at a later date, higher spec cams and pocketed pistons. 170 ft lb, 7,500 rpm £4,995.00+VAT 2 litre with steel rods, forged pistons, 250 + bhp, 180 ft lb, 8,500 rpm £6,995.00 Raceco 250 2.3 litre engine Raceco 2.2 Projects under development. Raceco 300 bhp 10,000 rpm 2 litre. Raceco UK have built more different capacity and different specification Duratec engines than anybody else in the UK and possibly further afield. Raceco are the only engine builders to have tested 300 bhp + engines in three different capacities, 2.4, 2.3 and 2.2 at the Emerald rolling road run by Dave Walker. The Emerald rolling road is used by many Caterham owners and so it offers a direct comparison with other makes and engines from different suppliers. Nobody else has yet to test a 300 bhp 4 cylinder engine at Emerald. Please note that engines can be built to the specification the customer requires, not only to the above specifications. 26 years of building engines to the highest level means that Raceco take the guess work out of performance engine building. To see some dyno graphs of Raceco engines please go to www.dyno-plot.co.uk go to power-run graphs and type in Raceco in the search facility. Power graphs can be over-laid to compare different engine specs. You can even overlay engines form other manufacturers but to be fair only engines tested at Emerald will give a true comparison. |
 Nitron Elise fitted with Raceco Duratec engine. 274 bhp / 198 ft lb torque. |
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Steel crankshafts with either 4 or 8 counterweights for both 2l (83.1mm stroke) or 2.3l (94mm). Other sizes available on request.
£1650.00+VAT |
NEW! Raceco 2.2 crankshaft Raceco design 88 mm stroke low inertia crank. High rigidity, 300 bhp 9,000 rpm capacity. As used in our 2.2 conversion. Both 2 and 2.3 litre engines can be converted with rods to suit. To be used with our Raceco design 89mm pistons. The Raceco 2.2 89x88 over-square engine is a great compromise between the 2 and 2.3 litre engines giving good torque, power and revability. Top quality UK manufacture by Arrow Precision in Nitrided EN40B. Manufactured to exclusively for Raceco UK. Crank and rod set £2,600.00. Due to our exclusive design no photos of this crankshaft will be published. N.B. For the 300 bhp + engines including the Raceco 2.2 we still recommend Arrow as their quality is unsurpassed. |
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Arrow steel connecting rods for 2l or 2.3l engines. Still the best steel rod available anywhere. RRP £840.00, our price £795.00+VAT per set |
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Omega 87.5 mm piston. Utilises original ring pack. Available for 2 litre and 2.3 litre engines. Other pistons in different bore sizes and compression heights also available, please enquire.
£440.00+VAT per set |
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NEW!
Maximum permissible over-bore on stock cast-in liners. Gives 2068 cc with 83.1 mm 2 litre crank, 2340cc with 94 mm crank (2.3 capacity is actually 2,261cc) Also used in our successful Raceco 2.2, 300 bhp , 200 ft lb, 9,000 rpm engine. £495.00 |
Direct to head throttle bodies
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45mm direct to head throttle bodies with 90mm air horns
Throttle bodies £495.00+VAT a pair NEW! NOW IN STOCK
Raceco design 54 mm direct to head throttle bodies. Manufactured by Jenvey exclusively for Raceco UK. These throttle bodies are the development of three different prototypes that have undergone two years of engine, flowbench and dyno testing. Out flows both our 52 mm parallel and 52 mm taper designs with the convenience of being direct to head and not requiring a separate manifold. Also out flows the roller bodies tested. They have the added bonus of being affordable as the one-off prototypes were extremely expensive to manufacture. These are an essential requirement for high output engines and work extremely well with both a well ported Focus head or big valve Focus or Ranger/Mondeo head. Don’t be fooled by engine builders that have never built a 300 bhp / 75 bhp per cylinder engine that say that these throttle bodies are too big. They are still on the small side in comparison to a World Superbike Honda or Ducati twin that run throttle bodies in the region of 60 to 65 mm per cylinder! In fact our top of the line big valve head loses 1.5 % of flow when these bodies are fitted so bigger ones may be on the ways soon! 54 mm still offers excellent driveabilty and idle. N.B. these throttle bodies will work only on a well ported or big valve head. They will be too big for a stock or badly ported head. Throttle bodies shown in photos are prototypes. Production items will be black with "O" rings at gasket face with additional bosses for top mounted throttle linkage |
Duratec engine mounts for Caterham installations
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Available for standard applications (left) or to clear the pump stack with a Pace dry sump system (right)
£140.00+VAT (standard)
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Alternators available: Small (93mm, 45W) or Medium (100mm, 55W).
Small alternator
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Small alternator mounts £55.00+VAT Medium alternator mounts £110.00+VAT |
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We can supply a starter motor kit, consisting of the motor, bolts, rubber plug and rear steady bracket.
Starter motor kit £175.00+VAT |
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Oil filter adapter to present filter perpendicular to the block to aid ground clearance.
£75.00+VAT |
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We can supply thermostat & housing assemblies, either conventional 82° (pic above) or electrically heated - can be controlled by the ECU to open at a specified temperature.
£42.00+VAT (conventional) |
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Duratec lightweight steel flywheel £190.00+VAT ARP Flywheel bolts £40.00+VAT AP Racing clutch kit (plate & cover, up to 250bhp) £175.00+VAT AP Racing heavy duty friction plate (Tested at over 300bhp) £95.00+VAT AP Racing clutch cover (Sold separately) £115.00+VAT |
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High performance wet sump with windage tray.
£345.00+VAT |
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A Pace dry sump system shown fitted to a 2.3 engine. Two stage scavenge and single stage pressure pump. Includes breather blanking plate and ARP crank bolt.
£750.00+VAT |
