There are a few more details on his club website:
http://www.lbc2.com
1956 - type 1 oval – mark thurston (aka fluff walker)
engine \ ignition \ transmission
type 4 2466cc (74x103)
2.0 litre conrods – balanced and checked for straightness - with raceware bolts
74mm counterweighted crank
103mm j&e barrels & pistons
berg 3/8” chromoly pushrods
european racing reworked heads with siamese valve seats, welded & ported
raceware aircraft spec case bolts and head studs
webcam turbo grind cam
remelle bolt on rocker covers (o-ringed)
dta fuel injection management with jenvey throttle bodies
garratt t 3-5 turbo with stainless header
race products water charge cooler
erl water-alcohol injection
taylor machine billet deep sump
13 row mocal oil cooler (for interior heat)
19 row mocal oil cooler and 9” pacet electric fan
porsche 3.2 carrera (911) g50 5-speed gearbox (good for 600bhp)
uprated irs driveshafts and cv joints
hydraulic operated 3500lb clutch and one-off flywheel
thurston fabricated gear shifter and linkage
wheels \ suspension \ brakes
porsche 7x17” turbo 4 cup alloys with yokohama a520 tyres
framehead raised 20mm
cb dropped spindles
front beam fitted with sway-away adjusters and narrowed 40mm
front porsche 944 aluminium hubs and vented discs (11”) with brembo 4-pot calipers
22mm front anti-roll bar
rear sway-away 25mm torsion bars
porsche 944 height adjustable training arms
rear porsche 944 discs (11”) with 4-pot aluminium calipers
18mm anti-roll bar
linelock
body \ interior
special mix paint based on polar silver
autometer street tach
autometer oil temp, oil pressure, boost guages
simpson 4 point race harnesses
porsche 911 front seats
interior trimmed in green leather (tony archer)