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Detailed Specification
of Morris Minor Race Car.
Vehicle............................... Split screen Morris Minor
convertible with low light front wings
Rollcage/spaceframe........ TIG welded tubular steel CDS
38.1mm x 2.642mm wall with reinforcements in smaller diameters
Engine.............. ................. Fiat 2 litre twin
cam
cylinder head..................... 16 valve
cams................................... 280 degrees duration
10.5 mm lift
head bolts ..........................12.9
grade aftermarket
pistons ...............................Flat top with my design
of valve cut out, crowns ceramic coated by AEA Technology
cambelt.............................. 25.4 mm wide
crank.................................. Steel with 7/16" UNF
grub screws in cross drillings
block ..................................Bored and honed with deck
plate, oil way plugs replaced with stainless steel items
conrods ..............................Balanced on home made device
rod bolts............................ Aftermarket high strength
sump.................................. John built dry
sump with scraper and gauze
oil pump .............................3 stage belt driven
flywheel .............................steel to accept Fiat 130
TC ring gear and Ford clutch cover and plate
induction ............................43mm dia. throttle bodies,
front mounted air filter.
ignition ..............................distributor less
control ...............................electronically mapped
exhaust ..............................tubular, 4 branch, 2 1/2"
stainless system with expansion chamber and 3" bore silencer.
Gearbox ............................. 5 speed with slave cylinder
and clutch release bearing concentric to the input shaft
Propshaft ...........................1300 series uj's, 63.5mm x
1.6mm wall DOM tube, lightened yokes and flanges. Aluminium adapter in
place of Fiat guibo.
Differential ........................Ford Sierra/Scorpio 7"
or 7 1/2"
Drive shafts ......................Ford Sierra/Scorpio equal length
Hubs and bearings ............Ford Sierra/Scorpio
Uprights ............................Aluminium kit car to accept
Sierra/Scorpio bearings and hubs
Brakes front ...................... 280mm x 25.4mm vented
discs and radial mount 4 x 38.1mm 'pot' calipers aluminium alloy mounting
bells (2014A T6)
rear.................................... Cosworth Sierra calipers
and Sierra solid discs
general ..............................Cockpit adjustable balance
bar and rear proportioning valve, copper nickel hard lines.
Master cylinders ............... Front brakes 3/4" dia. rear
brakes 0.7" dia. , clutch 13/16" dia, rear mounted reservoirs
Suspension ........................double wishbone, lower are
28.575mm dia. CDS tube, upper are 25.4mm dia. CDS tube, spherical bearings
used at pivots
front ...................................roll centre 38.1mm, -1
degree camber, 4.5 degree caster
rear.................................... roll centre 63.5mm, -0.5
degree camber, 0 degree castor
Anti dive & Squat..............None
Fasteners............................AN series in all critical
locations, with a few NAS and MS series.
Dampers ............................ Aluminium bodied, 130mm stroke,
double adjustable, mono tube with 1:1 wheel to damper motion ratio.
Springs ..............................TBA (First guess will be
250 lb/inch front and 175 lb/inch rear.) These will also be purchased
to have the same installed height regardless of rate.
Steering rack ....................Front mounted, aluminium
housing, right hand drive, 550mm between pivots, 49.02mm rack movement
for one rev. of pinion (2 turns lock to lock, 12:1 ratio)
Steering column ...............7/8" x 16 swg CDS, lower uj
Grp 4 rally unit, upper uj mil. spec. sealed unit. Column bearings needle
roller. quick release boss.
Steering wheel .................. 305mm dia. leather.
Instrumentation .................Analogue tach. with integral LCD
display
Stalks ................................Switches behind the wheel.
Fuel system .......................Plastic 36 litre tank with internal
collector, 2 low pressure pumps and 108 litres per hour @ 3.5 bar high
pressure fuel pump.
Head lights ........................ 178mm dia. with 110/85w H4
bulbs
Body ..................................Morris Minor convertible,
widened 178mm with flush fitting bonded in windscreen in home made surround,
composite doors, wings, front panel, boot and bonnet. Body work by Robin.
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