Judd GV4 (1999)

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Specifications

Judd GV4, V10 (72^o) cyl, 4 stroke, petrol - Ethanol E10 engine
Introduced in 1999
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Dimensions

Cylinders arrangement: V10 (72^o)
Strokes: 4
Bore x Stroke: 94.0 x 57.6 mm
Capacity: 3997 cc
Compression ratio:

Construction materials

aluminium alloy block
cylinder head: aluminium alloy
forged steel crankshaft with 6 main bearings
steel connecting rod

Cylinder-head

crossflow design
DOHC
4 valves per cylinder - 40 valves total

Aspiration

Natural with multipoint electronic fuel injection. 1 x 48mm inlet restrictor, or 2 x 33.4mm inlet restrictors

Ignition

ECU, EFI Euro 12
Firing order,

Cooling and lubrication

water cooled, Twin water pumps (one per bank), water outlets on front of cylinder heads
dry sump, Pressure pump and oil inlet on LHS, scavenge pump and oil outlet on RHS

Torque values

Models used and Output

Year	Model	Induction	Compression ratio	Power	Torque
1999	Lola B98/10	MPFI		590 BHP @ 10250 rpm	355 lb-ft @ 8500 rpm
1999	Riley & Scott Mk III	MPFI		600 hp @ 10250 rpm	355 lb-ft @ 8500 rpm
2000	Ascari A410	MPFI		600 bhp / 448 KW @ 10250 rpm	475 Nm / 350 ft lbs @ 8500 rpm
2000	Courage C60	MPFI		600 bhp / 448 KW @ 10250 rpm	450 Nm / 332 ft lbs @ 8500 rpm
2000	Ferrari 333 SP	MPFI		600 bhp / 448 KW @ 10250 rpm	450 Nm / 332 ft lbs @ 8500 rpm
2000	Lola B2K/10	MPFI		600 bhp / 448 KW @ 10250 rpm	450 Nm / 332 ft lbs @ 8500 rpm
2000	Reynard 2KQ	MPFI		600 bhp / 448 KW @ 10250 rpm	450 Nm / 332 ft lbs @ 8500 rpm
2001	Dallara SP1	MPFI		700 bhp / 522 kw @ 10500 rpm	508.43 nm / 375 ft lbs @ 8500 rpm
2001	Dome S101	MPFI, 1 x 44mm restrictor		600 bhp / 448 KW @ 10250 rpm	475 Nm / 350 ft lbs @ 8500 rpm
2001	Riley & Scott Mk III C	MPFI		600 bhp / 448 KW @ 10250 rpm	450 Nm / 332 ft lbs @ 8500 rpm
2005	Courage C60 Hybrid	MPFI		600 bhp / 448 KW @ 10250 rpm	475 Nm / 350 ft lbs @ 8500 rpm

Source
Source