1968 Specifications


The 1968 Shelby Cobra
GT350, GT500 & GT500-KR

Specifications

Engine

Chassis

Weights & Measures

Clutch Brakes Transmission Differential Steering Performance Options

Last edited on Wednesday, June 13, 2001

Models GT 350 GT 500 GT 500 KR
List Prices 1968 $4,116
Fastback $4,317
Convertible $4,438
Fastback $4,472
Convertible $4,594
Engine
Type V-8, iron block, water cooled
Head Cast iron, removable
Valves Overhead, pushrod/rocker-actuated
Max BHP 250 @ 6,000 rpm
With Paxton Supercharger
335 @ 5,200rpm
355 bhp @ 5,400 rpm 335 bhp @ 5,600 rpm (actual horsepower was closer to 400Bhp same as the 68 1/2 Cobra Jet Mustang)
Max Torque 318 lbs.-ft @ 3,200 rpm
With Paxton Supercharger
325 lbs.-ft @ 3,200rpm
420 lbs.-ft @ 3,200 rpm 440 lbs.-ft @ 3,400 rpm
Bore 4.05" 4.13" 4.13"
Stroke 2.87" 3.98" 3.98"
Displacement 302cid, 4272cc 428cid, 7051cc* 428cid, 7051cc
*A very few '68 GT500's came with a 427 low riser Engine and those were equipped with an automatic transmission. The letter "W" is In the vin code for an original factory installed 427.
Compression Ratio 10.5:1 10.6:1 10.6:1 (Optional drag racing pistons 12.5:1)
Cylinder Heads & Valves Large intake port with 2.06" intake valve, 1.625" Exhaust valves
Induction system Single Holley four-barrel, 600 cfm
R-4069
Optional- Paxton Supercharger
Single Holley four-barrel, 715 cfm
R-4129
Single Holley four-barrel, 735 cfm
R-4168/manual
R-4174/automatic
Intake Manifold COBRA Aluminum hi-rise COBRA Aluminum intake Cast iron version of aluminum intake
Cam shaft lift & duration .481 intake, .490" exhaust
290 degree
Exhaust system Standard, dual exhaust
Electrical system 12-volt distributor system
Distributor C8ZF-12127-A/manual
C8ZF-12127-D/automatic
C8ZF-12127-J C8ZF-12127-T
Fuel consumption 13-15 mpg 9-11 mpg 9-11 mpg
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Chassis
Frame Unibody, welded
Body Steel & fiberglass
Front suspension Unequal arms, coil springs, adjustable Tube arms, anti-sway bar
Rear suspension Live axle, multi-leaf, Semi-elliptical springs, tube Shocks
Tire type and size Goodyear Speedway 350 E70-15" Goodyear Speedway 350 E70-15" Goodyear Speedway 350 E70-15"
Wheel Size 15x6 or optional 15x7
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Weights And Measures
Wheelbase 108"
Front track 58.1"
Rear track 58.1"
Overall height 51.8"
Overall width 70.9"
Overall length 183.6"
Ground clearance 6.5"
Crankcase 5 quart
Cooling system 20 quart
Gas tank 18 gallons
Curb weight 3,335 lbs. 3,445 lbs. 3,570 lbs.
Weight Distribution 55/45% 56/44% 56.8/43.2%
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Clutch
Type Single dry disc
Diameter 10.5" 11.5" 11.5"
Actuation Mechanical
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Transmission
Type Four speed, (full syncromesh) Ford Top Loader or
C-4 automatic
Four speed, (full syncromesh) Ford Top Loader or
C-6 automatic
Four speed, (full syncromesh) Ford Top Loader or
C-6 automatic
Ratios 4 speed
First 2.32:1
Second 1.69:1
Third 1.29:1
Fourth 1.00:1
Reverse 2.32:1
Ratios automatic
First 2.46:1
Second 1.46:1
Third 1.00:1
Reverse 2.20:1
Brakes
Front 11.3" Kelsey-Hayes power assisted discs
Rear 10x1.75" drums
Front 11.3" Kelsey-Hayes power assisted discs.
Rear 10x3" drums
Front 11.3" Kelsey-Hayes power assisted discs
Rear 10x3" drum
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Differential
Ratios 4 Speed
Automatic
std. 3.89 or 4.11, 4.56 at no Additional cost
3.50
std. 3.25 or optional 4.11 or 4.56 at no Additional cost
3.50
Drive axles - type Enclosed, semi-floating
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Steering
Type Power Assisted Recirculating ball
Turns, lock to lock 3.5
Turning circle 37.6'
Steering ratio 16.0:1
Performance
0-30 mph 2.8 Secs 3.0 Secs 2.5 Secs
0-40 mph 3.7 Secs 3.8 Secs 3.6 Secs
0-50 mph 4.9 Secs 5.0 Secs 4.8 Secs
0-60 mph 6.3 Secs 6.5 Secs 6.9 Secs
0-70 mph 8.6 Secs 8.6 Secs 8.2 Secs
0-80 mph 10.6 Secs 10.6 Secs 10.2 Secs
0-100 mph 17.1 Secs 17.1 Secs 14.6 Secs
Quarter Mile 14.9 Secs @ 94 mph 14.75 Secs @ 98 mph 14.04 Secs @ 102.73 mph
Top Speed 119 mph @ 6,100 rpm 129 mph @ 5,100 rpm 130 mph @ 6,100 rpm
3rd gear 92 mph @ 6,500 rpm 116 mph @ 5,500 rpm 98 mph @ 6,000 rpm
2nd gear 70 mph @ 6,500 rpm 79 mph @ 5,500 rpm 75 mph @ 6,000 rpm
1st gear 51 mph @ 6,500 rpm 47 mph @ 5,500 rpm 55 mph @ 6,000 rpm
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Options:
10 Spoke Shelby Aluminum Wheels 15x7
Automatic Transmission C-4 Automatic Transmission C-6 Automatic Transmission C-6
Air Conditioning
Ram-Air Hood
Tinted Glass
Fold-down Rear Seat (Fastback Only)
Ford Traction-Lok Limited Slip Rear End
Detroit Locker Rear End
Mandatory Options:
Power Brakes
Power Steering
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Created March 22, 1998

Last edited on Wednesday, June 13, 2001

Copyright 2001 all Rights reserved

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