Ford Escort RS Cosworth Stage 2

Mod reworked by DBRK and Jandrovi physics

Stage 2 tunned:

[ENGINE]

Bore: 90.8mm, Stroke: 77mm, 1994 cm3 , water cooled Cosworth YB series. Mahle forged pistons and heat-treated steel crankshaft and conrods. Modified Garrett AiResearch T03/04B oil lubricated, water cooled turbo with gas-flowed turbine housing, 7° cut-back Inconel turbine wheel, Nimonic spindle and 360° thrust bearing (1.5 bar max. pressure/ 1.7 bar in overboost mode). Relocated and upgraded turbo dump valve. 2 OHC belt driven and hydraulic tappets. 4 valves per cylinder (V layout @45°). Sodium filled exhaust valves. Compression ratio 8:1. Champion C 57 C spark plugs. Modified Weber-Marelli IAW P8 integral engine management (injection and ignition), with 3D cartography and ALS (bang-bang). Water to oil heat exchange. Modified engine management and air intake. Mongoose 3" stainless steel exhaust. Modified Bosch 400 light-blue injectors (rate: 437cm3/min) and up-rated fuel pump (delivering 200lt/hour). GroupA YB0611 head gasket. Enhanced 3-way engine oil breather system.

Behr two stage water/air and air/air intercooler.

Max power: approx. 340 Bhp @ 6500 rpm, 440 N/m @ 4000rpm

[Transmission]

All wheel drive Ferguson layout. Up-rated center and rear viscous couplers. Reinforced front differential casing. Epicyclical center differential with 34-66 % F/R torque distribution. Final drive ratio 3.92. Gordon Spooner Engineering built, five speed GroupA based on D.O.M.E. complete gear kit,reinforced, close ratio, fully synchronized gear box using a dogleg, straight-cut 1st gear and semi-helical 2nd, 3rd, 4th and 5th gears (Sierra Cosworth derived, MT75 based).

[Suspension]

Front: Independent McPherson struts lower control arm, coil springs and ProFlex 2-way adjustable gas shock absorbers with remote nitrogen gas reservoirs, urethane bushes, 28mm antiroll bar. Spring rate: 70KN/m Spring length: 270

Rear: Independent transverse arms, relocated (coilovers) coil springs and ProFlex adjustable gas shock absorbers with remote nitrogen gas reservoirs, urethane bushes, 22mm antiroll bar. Spring rate: 36KN/m Spring length: 320

[Performance (works)]

0-100Km/h acceleration: 4.1Sec
Max speed: 200 Km/h
0-1000m acceleration: 24Sec