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263 Posts
Discussion Starter · #1 ·
After watching the nice 1st and 2nd places for MG at the BTCC race at Silverstone at the weekend it had me wondering how much different the beasts tearing around the track are to my humble ZS180.

Brakes, Shocks, Spoilers and Gearbox?

Or do they jam in a whole new engine too?

in The Chairman's Chair
957 Posts
Well you will be pleased to know the touring car only differs from the road car by the following small list of modifications.

Engine KV6, 6-cylinder - naturally aspirated V6 24v with fuel-injection

Capacity Two-litre, 1997cc

Power c270Ps produced with max. revs at 8,500 rpm

Oil system Wet sump with single oil/water heat exchanger

Cooling system Single water radiator

Transmission 6-speed gearbox with sequential gear selection

Clutch 5½" triple-plate sintered metallic

Chassis Fully seam-welded bodyshell, with integrated roll cage

Tyres - front & rear (cm/ratio) 24/61 x 17"

Steering Rack & pinion

Instrumentation Digital dash display and data logging system

Weight 1150kg (including driver)

Fuel tank capacity 60 litres

Length 4650mm
Width 1700mm
Wheelbase 2620mm

Front Double wishbones
Rear Lower wishbones with camber and toe adjustment links
Anti-roll bars front & rear

Front 343mm dia x 32mm thick ventilated discs with 6-piston callipers
Rear 290mm dia x 9.5mm thick solid discs with twin-piston callipers

Aluminium alloy
17" diameter on 9J rim

Former ZT-T 260 owner
2,256 Posts
It surprised me that the car weighs 1150Kgs - that can't be far short of the road car...

Is there a minimum weight limit for the BTCC that I don't know about, or is there some performance to be gained here through more efficient weight management...

Does anyone know how much the vauxhalls weigh???
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