Radical SR8 Supersport 

  • 2008
  • 380 HP 2.6L
 
The SR3 forms the basis for the SR8, with new brakes, driveshafts and cooling system and new upper bodywork, sidepods, biplane rear wing and aerodynamic undertrays that develop two times more downforce.
by EVO (Jan, 2005)
The time comes almost exclusively from the engine, which provides a huge amount of excitement with an absolute minimum of individual drama.
by EVO (Jan, 2005)

Data points Key details of the Radical SR8

Horsepower

SR8 Supersport
380 HP
Ultima GTR
710 HP

Engine size

SR8 Supersport
2,600 cc
Ultima GTR
6,400 cc

What People Are Saying Give it to me straight

Powertrain

At the heart of any great car is an engine that suits its surroundings.
by EVO (Jan, 2005)
But Radical has ambitious plans for both car and engine, including a doubled-up version of the 1500cc Hayabusa, said to be capable of 450bhp.
by EVO (Jan, 2005)
Think how the Suzuki Hayabusa bike engine has defined the Radical SR3.
by EVO (Jan, 2005)

Engine

But the real thing is the sheer excitement of nearly 400bhp in 550 kilos and the wail from eight cylinders at 10,000rpm, which is something you won't have heard, or felt, unless you get to drive a historic Formula 1 car.
by EVO (Jan, 2005)
It is a gait that finally proves too much for the front undertray, which mimics the back and tears itself from its mountings, but not before the car has lapped a second shy of the turbo version's best on a dry road.
by EVO (Jan, 2005)
Radical will sell engines - and the six-speed sequential transmission that it has developed in conjunction with Quaife - for around ΂£20,000 and ΂£6000 respectively.
by EVO (Jan, 2005)

Performance

Bruntingthorpe is damp and windy and the downforce created by the new rear underbody has already proved too much for its mountings, so this test isn't definitive.
by EVO (Jan, 2005)
Meanwhile, a small V8 is a tantalising prospect, not just because it might be like the seminal DFV and rev to 10, but because it is so rare - and so affordable.
by EVO (Jan, 2005)
It pokes the SR8 out of Bruntingthorpe's sweeping corners with enough force to sling your head back, at the same time kicking and slithering the tail wide in fourth gear and soaring and shimmying the revs as a set of worn Dunlops picks out the puddles.
by EVO (Jan, 2005)

Transmission

So you get a brand new sports prototype powered by a 2.6-litre V8 mounted in-line and driving through a six-speed 'box, ready to race for ΂£55,000, or the trackday version with a ΂£5K discount.
by EVO (Jan, 2005)
This process is not simple - there is dynamic balance, oil scavenge and so on to be tackled - but the economic advantages of retaining plenty of standard hardware are obvious.
by EVO (Jan, 2005)
Instant access to five-figure revs, immediate six-speed sequential shift - it's an ambience now inseparable from the breed.
by EVO (Jan, 2005)

Interior

On through fifth and then sixth gear, I watch the digital speedo on the need-to-know dash blinking a magic 160mph before the end of the runway heaves into view.
by EVO (Jan, 2005)

Specifications Full list of technical specs

general

Brand Radical
Year 2008

transmission

Drivetrain RWD
Gearing Traditional

suspension, wheels & brakes

Front brakes Disc
Rear brakes Disc
Front wheels 381/? 178
Rear wheels 406/? 203

power & handling

Power-to-weight ratio 3.77 lb/hp
Maximum hp 380 HP
Steering system Rack and pinion

engine

Displacement 2,600 cc
Cylinders V8
Fuels Gas

physical dimensions

Curb weight 1,433 lb
Width 70.9 in
Length 159.4 in
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