2001-2005 Dallara SP1 LMP

Images copyright and courtesy Bob Chapman @ Autosport Image, Greg Cooper, Olivier Trocherie, Phil CK, Juha Kivekas, Lorens Lin, and Pat Michl
Text copyright Michael J. Fuller
The Dallara's LMP began life as the Chrysler LMP.  Chrysler had suddenly became serious after 2000's somewhat lackluster first year with the Reynard.  The Dallara LMP was already on the drawing board, and when Chrysler swooped in, Dallara offered it to them.  Le Mans 2001 was a much better year for Chrysler, and a very good showing for the Dallara's debut (4th overall).  But for whatever reason, Chrysler's mood changed, and the winter of 2001 saw the Chrysler LMP program go away.  Dallara's reward was to be able to offer the chassis up to privateers. 

At Le Mans 2002, Team Oreca, working in conjunction with Dallara, forged ahead and developed the chassis, creating many minor alterations in hopes of bringing the fight to Audi.  While the cars were close in qualifying, the Dallara simply could not match the Audi's race pace out of the need to keep its Judd V10 alive for 24 hours.

2003 was essentially a off year for the Dallara chassis.  But in 2004, Rollcentre Racing purchased Oreca's Dallara LMPs and raced the cars at Sebring, the Le Mans Endurance Series, and Le Mans.

In 2005 Rollcentre continued to fly the Dallara banner even installing a 3.0 liter twin turbo Nissan engine in one of their chassis.

The rather generic rendering that was released early in 2001, in retrospect, bares a vague resemblance to what was finally unveiled. 
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2001-2005 Dallara SP1 LMP Specifications
Designer: -Dialma Zinelli (Aerodynamicist)
-Wiet Huidekoper (consultant)
Layout: Mid-engine, rear-wheel drive
Monocoque: Carbon fiber and aluminum honeycomb monocoque
Gearbox: X-Trac six speed sequential
Clutch: CFC clutch
Suspension: Independent double wishbone suspensions, steel fabricated ventilated uprights, steel fabricated shock-absorbers Dynamic coil-over dampers, operated by push-rod, 4 ways of adjustments in bump and rebound.
Brakes: Brembo six piston racing calipers front and rear Carbone Industrie 380 mm (15 inches) carbon discs front with carbon pads 355 mm (14 inches) carbon discs rear with carbon pads.
Wheels: OZ center-locked, one-piece forged magnesium.
13.5''x18'' (F)
14.5''x18'' (R)
Tires: Michelin Radial X
33x65x18 (F)
36x71x18 (R)
Length: 4650 mm
Width: 2000 mm
Height: 1060 mm
Wheelbase: 2798 mm
Front Overhang: 900 mm
Rear Overhang: 952 mm
Track Front: 1650 mm
Track Rear: 1590 mm
Weight: 909 kgs. (2001 Le Mans average)
920 kgs. (2002 Le Mans average)
907 kgs. (2004 Le Mans average)
955.5 kgs. (2005 Le Mans average)
Tank capacity: 90 liters
Dallara LMP in Action
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ęCopyright 2007, Michael J. Fuller