i built most of the spooner recce cars when was running the recce team for them,, i have the original recce build sheets here if it help sort it out for you ??

ATM SPORT LTD
VEHICLE SPECIFICATION SHEET

VEHICLE: JOB NO. DATE:
ESCORT COSWORTH GRP N
2144 1 / 12

EVENT
TARMAC / GRAVEL
DRIVER
ITALIAN GRAVEL CHAMPIONSHIP
GRAVEL FABIO
ENGINE SPEC NO. MTC140
GEARBOX SPEC NO. MT75 CLOSE RATIO
CENTRE DIFF 50NM VC 3.9 DROP GEARS
FRONT AXLE THICK WALL 3.6
REAR AXLE 180NM VC 3.9

SPECIFICATION FRONT REAR
SUSPENSION TRACK OHLINS BILSTIEN
DAMPER RATE/DIAMETER B 12 --- R 24 350 / 130
DAMPER BODY 50MM
SPRING 42NM X 340 30-35-50 NM
SPRING HELPER 60-50-60
BUMP RUBBER LENGTH (mm) 60MM 50MM
BUMP RUBBER DIAMETER (mm)
BUMP RUBBER SPACERS (mm)
A.R.B. 26MM SIERRA 18MM SIERRA
A.R.B. BLADE POSITION
CAMBER -2 - 1
CASTOR 3
TOE IN (mm) 2MM 3MM
RIDE HEIGHT (mm) 235MM 245MM
BRAKE DISC STD STD
BRAKE CALIPER STD STD
BRAKE MASTER CYLINDER ABS ABS
BRAKE PAD MATERIAL CARBON CARBON
HANDBRAKE MASTER CYLINDER
CLUTCH AP PADDLE
CLUTCH MASTER CYLINDER CABLE
WHEELS 7 X 15 OZ 7 X 15 OZ
TYRES
TYRE PRESSURES 1.8 BAR 1.8 BAR