Technical Specification:
ENGINE:
Type: Ford-Cosworth YBB
Capacity: 1993cc
Bore / Stroke: 90.82mm/76.95mm
Compression ratio: 7.2:1
Max. power: 515.4bhp @ 7050rpm @ 32 PSI.
Torque @ max. power: 384.5lb.ft
Max. torque: 421.5lb.ft @ 5000rpm @ 34 PSI.
Power @ max. torque: 400.7bhp
Specific output: 257.70bhp per litre.
Power / weight ratio: 404.24bhp/tonne.
Cylinders: Four, in-line (4 x 4 pistons).
Cylinder head: Works spec large ported 4x4 head (Nick Waples) with "secret profile" cams.
Block: Cast iron 4 x 4 (200 Series), WRC tri-metallic head gasket, long-studded, with fully balanced bottom end (including rods) and high pressure oil pump.
Valve gear: Four valves per cylinder, operated by belt-driven twin overhead camshafts and inverted hydraulic bucket tappets operated by Isky valve springs.
Fuel and ignition: *Webber-Marrelli fuel injection with Level 8 ECU, Pectel eight injector control board, Pectel monitor, water injection, Ford Motorsport leads, Grp A Webber Marrelli "high energy" ignition coil, AGPR 601 plugs, RS500 inlet plenum, eight 803 (dark green) injectors and 3 bar MAP sensor. Specially programmed Ahmed Bayjoo ISS (Intercooler Spray System) chip live mapped on engine dyno using Ford Motorsport air injectors for the boost control.

Cooling: *Bailey Motorsport header tank, 4x4 thermostat, housing and water pump, *PACE double thickness alloy radiator and SPEC-R swirl pot. *Laminova oil cooler (water cooled). *Big wing (5½ litre) baffled sump and SPEC-R crankcase breather kit with braided hosing.
Induction: *K&N panel filter inside a modified air box with Bailey RS500 lid and turbo pipe, T04E "57" trim turbo with Turbonetics roller bearing core, Spec-R damper bracket and genuine RS500 horse-shoe damper, -31 actuator, genuine RS 500 air to air intercooler and Bailey
piston type recirculating dump valve.
Installation: Front, longitudinal.
Exhaust: *Mongoose 3" system with 4" tail pipe.


At Bruntingthorpe where it achieved its first 180+mph run.



At AVA making 395bhp at the wheels (which until recently was the most powerful car they had ever had on their rollers).




At Dono

TRANSMISSION:
Type: Front-engine, rear-wheel-drive.
Gearbox: Borg Warner T5, five-speed manual with Pro 5.0 quick shift imported from USA.
Internal Ratios: 1st 2.95:1; 2nd 1.94:1; 3rd 1.34:1; 4th 1:1; 5th 0.80:1; Reverse 2.75:1; Final drive 3.64:1 giving 23.55 mph/1000rpm in top gear with 205/50 x 15s or 24.27 mph with 215/40 x 17s; or with Final drive of 3.36:1 giving 26.30 mph using 235/40 x 17s.

Maximimum speed in gears @ 7750rpm (rev limited at 8000rpm):
3.64 / 3.36 diff
51.01 1st 55.27 mph
77.57 2nd 84.03 mph
112.30 3rd 121.66 mph
150.49 4th 163.03 mph
188.11 5th 203.79 mph


WHEELS & TYRES:
Wheels: Raceline RL5s cast alloy, 7½" x 17", ET40mm.
Tyres:
Front: *215/40ZR17, Dunlop Sport 9000s
Rear: *235/40ZR17, Dunlop Sport 9000s


SUSPENSION:
Front: Independent by LEDA adjustable 2½" coilovers with 400lb springs. *Macpherson struts, three-door Cosworth hubs and track control arms, set to 2° negative camber, 0" 20' toe in. *Standard 28mm anti-roll bar with polyurethane bushes and GGR Grp A three piece strut brace.
Rear: Independent, by semi-trailing arms, LEDA adjustable 2¼" coilovers with 200lb springs and Escort Cosworth 22mm anti-roll bar. *Ream beam replaced with an Ahmed Bayjoo modified (Grp A) 6°
item, rose jointed and fully adjustable set to 1.5° negative camber and 0' 0" toe. *Polyurethane rear axle bushes and Sparco rose jointed rear strut brace.


Rear bumpsteer:
* * * * *Bump
60mm - 0.030" toe in
50mm - 0.023" toe in
40mm - 0.015" toe in
30mm - 0.009" toe in
20mm - 0.005" toe in
10mm - 0.003" toe in
0.0mm - 0.000" toe in
* * * * *Droop
10mm - 0.001" toe out
20mm - 0.002" toe out
30mm - 0.003" toe out


At the Ring

INTERIOR:
Full leather Recaro interior.
Stack ST500SR Rev counter / speedo
Boost pressure gauge - APEXi 2.5 bar

Oil pressure gauge - GReddy

Oil temperature gauge - GReddy


Exhaust Gas Temperature gauge - GReddy


Electric sunroof conversion.
One touch windows / sunroof.
Manual over-ride on fan control.
ABS on / off control.
10 stage switchable boost - 1 to 2.5 bar
Momo carbon fibre gear knob.
4 x 4 gator.
Water injection light.
Three postion simmer control (Off, one minute or two minutes with fans).
Pectel Monitor mounted in the dash.


BRAKES:
Front: AP Racing 330mm (13") grooved and and ventilated discs wth aluminium bell. *AP Racing CP5200 4-pot callipers and stainless-steel stainless-steel braided hoses.

Rear: Hi Spec 300mm (11.8") grooved and ventilated discs wth aluminium bell. *4 x 4 Cosworth callipers.

System: Hydraulic, dual-circuit *with vacuum servo assistance and Teves switchable ABS.


STEERING:
Type: Power-assisted rack-&-pinion.
Lock-to-lock: 2.4 turns


BODY / CHASSIS:
Type: Pressed-steel monocoque, based on conventional Sierra, in four-door saloon style.
Chassis construction: In steel, as part of monocoque
Dimensions:
Length: 4490mm *Width: 1700mm *[b/]Height:[/b] 1377mm Wheelbase: 2609mm * * Front track: 1450mm Rear track: 1466mm * *Weight: 1275Kg (2811lbs)*
*Weight without driver and with half tank of fuel


SECURITY:
Clifford Concept 50 with Anti-Scan and Anti-Code Grabbing with Random code encryption. *Auto Arming, dual sensor protection and three point
immobilisation. Total Closure on windows & sunroof. Sense & Tell IV with digital dual zone proximity sensor and pager. Remote start system. *Vecta six point immobiliser. Tracker. Deadlocks with internal scanning LED. *Doorlock internals removed and replace with LEDs. *Other non-disclosed!

PERFORMANCE:
Max. speed: 188.11mph @ 7750rpm with 3.64:1 Diff
Max. speed: 203.79mph @ 7750rpm with 3.36:1 Diff (If it would pull it!)*
Max speed achieved to date: *180.9mph @ 6900rpm on 13 May 2001 at Bruntingthorpe proving ground (been faster on "Autobahn" )


Acceleration: 0-60mph 4.55 secs, 0-100 mph 9.5 secs
Fuel consumption: *Typically 7-20 mpg
Best standing quarter achieved at Santa Pod 20 September 1998 (with only 385bhp).
Reaction time: 0.994 seconds
60 ft time: 2.164 seconds
330 ft time: 5.609 seconds
First 1/8 ET: 8.361 seconds
First 1/8 speed: 92.120 mph
Second 1/8 ET: 4.279 seconds
1/4 ET: 12.640 seconds
1/4 Terminal: 115.960 mph


At the Pod

ICE:
Sony CDX-C760RDS head unit, two VR525-CSxo 2-Way Crossovers, Sony CDX91 ten disc auto-changer.
Alpine 3548 amp (2 x 125w).
Two Alpine 6963 Two-way 9 x 6 speakers.
Two JL Audio VR525-CW 5¼" woofers.
Two JL Audio VR075-CT ¾" tweeters.


At Snetterton.

SPECIAL FEATURES:
Computer controlled boost settings connected to the gearbox using micro-switches: *Any boost settting from 1 bar to 2.5 bar can be selected for any gear.
Three position simmer control - Off; 1 minute or 2 minutes + fans.
Morrette twin headlights.
4 x 4 remote boot release and lock.
Fully mapped water injection using the windscreen washer bottle for supply - comes on if charge temperature exceeds 42°C and boost pressure is 7psi or above. *Automatically switches off if charge temperature drops below 38°C or boost pressure drops below 7psi.
Peak memory recall on all gauges.
Pectel Monitor.
Stainless-steel exhaust heat shield.
Remote start.
RS 500 front splitter.
RS 500 airbox lid and turbo hose.
Bumper modified to increase air flow to the intercooler.












ACHIEVEMENTS:
7th in class UFC '96 - with 275 bhp
6th in class Performance Ford shoot-out 26 May 1997 - with 319 bhp
3rd in class UFC '97 - with 343 bhp (After only four runs due to poor *weather).
Featured in June 1998 issue of Fast Ford (385bhp)
4th in class Performance Ford shoot-out 30 August 1998 (Only beaten by a 520bhp RS500, Westfield Cosworth and pukka Rover V8 engined dragster).
2nd in class USC '99 - with broken gearlever, achieved on the first run (385bhp).
Winner of the Revs Top Speed shoot-out August 1999 (385bhp)
4th Overall Revs Top Speed shoot-out August 2000 (419bhp)
Briefly the fastest Sapphire in country 180.9mph (515bhp - stupidly on the 3.36 gearing, which meant it never reached peak power).