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 
 


return to the top

 


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 
 


return to the top

 


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% 
 


return to the top

 


Clutch

 


Type

Single dry disc

 


Diameter

10.5"

11.5"

11.5" 
 


Actuation

Mechanical 
 


return to the top

 


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










 
 


return to the top

 


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 
 


return to the
top 
 


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 
 


return to the
top 
 


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

 


return to the
top

Air Craft Type Shoulder
Harness 
 
 
 



 








Created March 22,

1998













Last edited on Wednesday, June 13, 2001













Copyright

2001 all

Rights reserved








 
 



&Nbsp;
  


											
										

									

								
 
								

								
 
							
 
						
 
						

					
 
				
 
				

				

					

						
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