Shelby Cobra Mk I and Mk II group GT (1962)
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Chassis numbers here for Shelby cars
Chassis numbers here and here
Historic info

Specifications

Mk I 260: 75 units built
Mk I 289: 51 units built
Mk II 289: 528 units built
Click here and here for 260
Click here and here for 289
Click here for 289 Coupe
Click here and here and here and here and here for 289 street version
Click here and here for 289 Mk III '65

Homologation number: 79
Homologation start: 8/10/1962

Ford Small Block XHP 260, V8 (90o) cyl, 4 stroke, petrol engine, located front longitudinally
4279cc, 96.5 x 72.9 mm
11.0:1
335 bhp / 250 KW @ 8500 rpm
cast iron block and head
OHV with pushrods, 2 valves / cylinder, 46.8mm intake valves, and 41.3mm exhaust valves
aspiration: natural with 4 Weber 45 DCOE9 horizontal Carburetors
firing order 1-5-4-2-6-3-7-8
water cooled

Ford Small Block 289K, V8 (90o), 4 stroke, petrol engine, located front longitudinally
4727cc, 101.6 x 72.9 mm
11.0:1
360 bhp / 269 KW @ 6500 rpm, FIA '64: 390 bhp / 291 KW @ 6750 rpm
432 Nm / 319 ft lbs @ 4000 rpm, FIA '64: 462 Nm / 341 ft lbs @ 4000 rpm
cast iron block and head
OHV with pushrods, 2 valves / cylinder, 42.6mm intake valves, and 37.0mm exhaust valves. 45.3mm intake valves, and 36.75mm exhaust valves
aspiration: natural with 4 Weber 48 IDM Carburetors
spark plugs Autolite BF-42, firing order 1-5-4-2-6-3-7-8
water cooled

Borg Warner T10 Manual 4 speed gearbox
1st: 2.36/1
2nd: 1.78/1
3rd: 1.41/1
4th: 1.00/1
R: 2.42/1

1st: 2.32/1
2nd: 1.69/1
3rd: 1.29/1
4th: 1.00/1
R: 2.42/1
Salisbury limited slip rear differential, 4.09/1, 3.54/1, 2.72/1 to 4.56/1
aluminium panels on steel tubular chassis. 3" diameter of main tubes
lower wishbones, upper transverse leaf spring, telescopic shock absorbers
Mk I: worm-and-sectorm steering
Mk II: rack and pinion steering
solid disks all around with 305mm front disk diameter and 280mm rear disk diameter, Girling aluminium alloy calipers
Length 151.5 in (3,848 mm)
Width 61 in (1,549 mm)
Height 49 in (1,245 mm)
Wheelbase 90 in (2,286 mm)
Track (fr/r) 1308 mm (51.5 in) / 1333 mm (52.5 in)
wheels (FIA version), front 6.5x15", rear 7.5x15"
wire wheels, 6.40-15 front and 6.70-15 rear tires
950kg, 50%-50% weight distribution
fuel tank, 140 lt
drag coefficient, 0.5


Results in WSCC

Season races for GT 1.0+
289ci
Car entry, chassis number Car number/ result
Dayt Sebring Targa Florio Spa Nurb Cons uma Ross feld Le Man Wies baden d' Auve rgne Freiburg Tourist Trophy Ollon Inter Europa TdF Bridgeh
Team 3h 12h 500km 1000km Hill climb Hill climb 24h rally Hill climb Hill climb 500km
Shelby American, CSX2002 (260) #98, igni tion
Shelby American, CSX2014 (260) #97, 23rd
Shelby American, CSX2002 #16, stee ring arm
Shelby American, CSX2026 (260) #99, 4th
Shelby American, CSX2026 #14, diffe rential #33, suspe nsion* *
Shelby American, CSX2128 #15, 29th
Shelby American #9, in entry list
Holman & Moody, CSX2009 #11, 41st
George Reed, Jr, CSX2051 #17, igni tion
Ed Hugus, CSX2127 #12, 11th #97, axle
Ed Hugus, CSX2142 (AC Coupe) #4, disqu alified
W. D. Hurdock (A.C. Cars), CSX2131 (AC Coupe) #3, 7th #3, dns*
John Willment Autos, CSX2132 (AC) #4, dns
John Edgar, CSX2137 #99, 1st
Vic Damone, CSX2129 #98, 2nd
White-Griffith Motors, CSX2043 #41, tires
Total points
30
7 4 19
Statistics
Works Starts/finishes 18/8 3/2 6/3 2/1 2/0 5/2
Drivers Team entries and car number
Shelby American
Skip Hudson 97
Dan Gurney 98 15 99
Dave MacDonald 99 14
Fireball Roberts 14
Phil Hill 15
Ken Miles 12, 16 3 98
Bob Holbert 97
Ed Hugus
Lew Spencer 12
Ed Hugus 4
Peter Jopp 4
Holman & Moody
Jocko Maggiacomo 11
Peter Jopp 11
W. D. Hurdock (A.C. Cars)
Ninian Sanderson 3
Peter Bolton 3
John Willment Autos
Jack Sears 3
Bob Olthoff 4
Robert Johnson
Bob Johnson 33
White-Griffith Motors
Bob Brown 41

*John Willment Autos entry
* *Robert Johnson entry


AC-Shelby-Cobra-Mk-I-260_4.jpg Source
260
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289
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289
AC-Cobra-Le-Mans-Mk1-1963-1.jpg Source
Shelby Cobra 289 Le Mans
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Drawings

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Borg-Warner T-10 gearbox

cobrepl13.jpg Source
t10_view.jpg Source
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