COSWORTH YB

 

Footage of Rhett and Logan Watson rallying in Barbados using a Wilcox 2.0 litre Naturally Aspirated Cosworth to full effect

Video 1

Video 2

Video 3 Video 4 Video 5

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Engine Gallery
 

We have been developing this engine since 1986 in turbo form for rallying and racing, during 1987 we built the first normally aspirated version. In the photograph John  oversees the first prototype to run on the test bed which led to backing from Ford Motor company enabling us to develop a version for the BTCC. In 1991 we built engines for the BTCC, Portuguese and French touring car championships. We offer a range of kits all which have been tested and race proven whether turbo, normally aspirated, 2 litre, 2.3 or even 2.5. We can tailor build this engine to suit your requirements.

 

 

8 injector RS 500 Race engine, Injected Normal Aspirated and a 4 X 4 Group A Rally engine undergoing setup on the dyno.

Normally Aspirated Kits:        

200 BHP KIT 

4 Forged pistons std / o/s, 1Inlet manifold - side draft, 4 Carb spacers alloy, 8 Carb studs, 8 Carb rubber mounts, 2 Weber 45 DCOE, 1 Steel flywheel, 16 Tappet shim conversion, 1 Head converted to 200 Bhp spec, 2 Camshafts reprofiled.

220 BHP KIT 

4 Forged pistons std / o/s, 1Inlet manifold - side draft, 4 Carb spacers alloy, 8 Carb studs, 8 Carb rubber mounts, 2 Weber 45 DCOE, 1 Steel flywheel, 16 Tappet shim conversion, 16 Competition valve springs,  machine16 valve caps, 1 Head converted to 220 Bhp spec, 2 Camshafts reprofiled.

235 BHP KIT 

4 Forged pistons std / o/s, 8 Heavy duty con rod bolts, 1 Dry sump kit, 1Inlet manifold - side draft, 4 Carb spacers alloy, 8 Carb studs, 8 Carb rubber mounts, 2 Weber 45 DCOE, 1 Steel flywheel, 16 Tappet shim conversion, 16 Competition valve springs,  machine16 valve caps, 1 Head converted to 235 Bhp spec, 16 Bronze valve guides, 2 Camshafts reprofiled.

250 BHP KIT

4 Forged pistons std / o/s, 8 Heavy duty con rod bolts, 1 Dry sump kit, 1Inlet manifold - side draft, 4 Carb spacers alloy, 8 Carb studs, 8 Carb rubber mounts, 2 Weber 48 DCOE, 1 Steel flywheel, 16 Tappet shims top hat, 16 Light steel valve buckets,16 Competition valve springs,  machine16 valve caps, 1 Head converted to 250 Bhp spec, 16 Bronze valve guides, 8 Inlet valves, 8 Exhaust valves, 2 Camshafts reprofiled.

280 BHP KIT

4 Forged pistons 94mm, 8 Heavy duty con rod bolts, 1 Dry sump kit, 1Inlet manifold - down draft, 1 Steel flywheel, 1 Steel crankshaft - long stroke, 16 Tappet shims top hat, 16 Light steel valve buckets,16 Competition valve springs, machine16 valve caps, 1 Head converted to 280 Bhp spec, 8 Inlet valves, 8 Exhaust valves, 16 Bronze valve guides, 1 Injection system Mapped + Dyno test, 2 Camshafts reprofiled.

 

  Rob Gravett's BTCC Touring car and engine

 

Components and parts available for YB type engines.

Dry Sump Parts

Dry sump installation kit for Mk 1 Mk 2 Escorts

Dry sump kits available including all fittings, pressure and twin scavenge pump.

Cylinder Heads

New YB hybrid cylinder heads to suit both 2 and 4WD, or normally aspirated. Head fully machined with seats and guides fitted, combustion chamber volume 50.4cc.

 

Con rods

Steel 'H' section con rods

 

 

Crankshafts

New design EN40B steel crankshafts with, lightened counterbalance webs and bored out big end journals. Various strokes available.

 

Exhaust Manifolds

Large bore exhaust manifolds, 4 into 2 into 1 and 4 into 1

Steel Flywheels

A range of steel flywheels to suit most clutches.

Engine Stands

Steel tubular engine stands, ideal for transportation.

Throttle Linkage

Universal, twin cable Weber throttle linkage.

Carburettors and accessories

Foam Air Filters

        

 

Stockists of Weber carburettors, wide range of trumpets, linkage joints, jets and accessories.

We stock a large range of foam filters, filter oils and can normally tailor make a filter to suit your needs.

Fuel Pumps and Regulators

Weber 48 DCO2sp Trumpets

Fast road / competition, injection and carburettor fuel pumps, pressure regulators and accessories

Weber 48 DCO2sp short 30mm long replacement, fully flared Alluminium trumpets.

 
Gaskets and seals

All gaskets and seals available, including large bore heavy duty head gaskets.

 

 

 

Engines and Performance Parts distributed Worldwide

Part

Price

4 Forged Pistons std / o/s POA
4 Forged Pistons 94 mm  650.00
8 Heavy duty con rod bolts 94.72
Sump Modified Big Wing  POA
Dry sump kits -     From 1040.00
Inlet manifold side draft  140.00
4 Carb spacers alloy 30.96
8 Carb studs 12.00
8 Carb rubber mounts  12.00
2 Weber 45 DCOE. POA
2 Weber 48 DCOE. POA
Steel Flywheel  From 250.00
Steel Crankshaft - long stroke 1300.00
16 Tappet shims ( Top Hat)  80.00
16 Light steel valve buckets 320.00
16 Tappet shim conversion 52.00
16 Competition valve springs (set) 155.00
16 Titanium valve retainer

218.00

16 Steel valve retainer

120.00

  Head Bolts Standard (each)   POA
Head Bolts - GP A - Allen cap head (set) 110.00
Head Stud Kit - ARP (set) 153.00
Head converted 200/220 BHP      From 1385.00
Head converted 235/250/280 BHP    From 2239.60
8 Inlet valves POA
8 Exhaust valves POA
16 Bronze valve guide STD YB POA
16 Bronze valve guide to suit 9/32 valve stem 240.00
2 Camshafts re profiled  250.00
2 Vernier Cam Pulleys - Alloy 197.00
Many More parts available, prices subject to change. All parts are + VAT.
 

We accept most major credit cards.

 

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