Jaguar E-Type Masthead




1968 Jaguar E-Type Owners manual

The following is the 1968 Jaguar E-Type Coupe specifications from page viii to xi of the owners manual and has been reproduced as accurately as possible.



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GENERAL DATA


Engine



Number of cylinders .. .. .. .. .. .. .. .. .. .. .. 6
Bore .. .. .. .. .. .. .. .. .. .. .. 3.625" (92.07 mm.)
Stroke .. .. .. .. .. .. .. .. .. .. .. 4.1732" (106 mm.)
Cubic capacity .. .. .. .. .. .. .. .. .. .. .. 4,235 cc. (258.43 cu. ins.)
Compression ratio .. .. .. .. .. .. .. .. .. .. .. 8 to 1 or 9 to 1
Distributor contact breaker gap .. .. .. .. .. .. .. .. .. .. .. .014"--.016" (.36--.41 mm.)
Sparking plug type 8 to 1
and 9 to 1 compression ratio 		.. .. .. .. .. .. .. .. .. .. .. ChampionN.11Y
Sparking plug gap .. .. .. .. .. .. .. .. .. .. .. .025" (.64mm.)
Ignition Timing
8 to 1 compression ratio .. .. .. .. .. .. .. .. .. .. .. 9 degrees B.T.D.C.
9 to 1 compression ratio .. .. .. .. .. .. .. .. .. .. .. 10 degrees B.T.D.C
Ignition timing (U.S.A. only) .. .. .. .. .. .. .. .. .. .. .. 5 degrees B.T.D.C.(Static)
.. .. .. .. .. .. .. .. .. .. .. 10 degrees B.T.D.C. (1,000 r.p.m.)
Valve Clearances (cold)
Inlet
Exhaust
Normal Touring .. .. .. .. .. .. .. .. .. .. .. .004" (.10mm.) .006" (.15 mm.)
Racing .. .. .. .. .. .. .. .. .. .. .. .006" (.15 mm.) .010" (.25 mm.)
Valve Seat Angle
Inlet and Exhaust 		.. .. .. .. .. .. .. .. .. .. .. 45 degrees
Firing Order .. .. .. .. .. .. .. .. .. .. .. 1, 5, 3, 6, 2, 4


Tightening Torque Figures
Flywheel .. .. .. .. .. .. .. .. .. .. .. 67 lb. ft. (9.2 kg. m.)
Connecting rod .. .. .. .. .. .. .. .. .. .. .. 37 lb. ft. (5.1 kg. m.)
Main bearings .. .. .. .. .. .. .. .. .. .. .. 83 lb. ft. (11.5 kg. m.)
Cylinder head .. .. .. .. .. .. .. .. .. .. .. 58 lb. ft.(8.0 kg. m.)
Camshaft bearings .. .. .. .. .. .. .. .. .. .. .. 15lb. ft. (2.0 kg. m.)


Carburetters

Type: S.U. H.D.8 (triple) (Not U.S.A.) STROMBERG 175 CD2SE (twin) (U.S.A. only) Gearbox Type: Four speed--sychromesh on 1st, 2nd, 3rd and top.
Type Model 8 Automatic Transmission (2 + 2 only).


Front Suspension and Steering

Castor angle .. .. .. .. .. .. .. .. .. .. .. 2 degrees +/- 1/2 degree positive
Camber angle .. .. .. .. .. .. .. .. .. .. .. 1/4 degrees +/- 1/2 degree positive
Front wheel alignment .. .. .. .. .. .. .. .. .. .. .. 1/16"--1/8" (1.6--3.2 mm.) toe-in



Rear Suspension


Camber angle .. .. .. .. .. .. .. .. .. .. .. 3/4 degrees +/- 1/4 degree negative


Final Drive

Type: Hypoid

Ratios

U.S.A., Canada .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 3.54 : 1
All other countries .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 3.07 : 1
Automatic Transmission (2 + 2 only, U.S.A. and Canada) .. .. .. .. .. .. .. .. .. .. .. 3.31 : 1
Automatic Transmission (2 + 2 only, all other countries) .. .. .. .. .. .. .. .. .. .. .. 2.88 : 1

Tyres


Minimum tyre pressures (checked with tyres COLD)

Front
Rear

Dunlop SP Sport 185VR15
For speeds up to 125 m.p.h. (200 k.p.h.) .. .. ..
32 lb./sq. in.
(2.25 kg./sq. cm.)
32 lb./sq. in.
2.25 lb./sq. cm.).
For speeds up to maximum .. .. ..
40 lb./sq. in.
(2.81 kg./sq. cm.)
40 lb./sq. in.
(2.81 kg./sq. cm.)


Tyres for Winter Use

(when snow conditions make the use of special tyres necessary)

Dunlop Weathermaster SP 44. 185 x 15

(For use only on rear wheels to replace SP. Sport tyres) .. .. ..
32 lb./sqin.
(2.25 kg./sq. cm.)

Maximum permitted speed 100 m.p.h. (160 k.p.h.).


Capacities


Imperial
U.S.
Litres
Engine (refill including filter) .. .. .. .. .. .. .. .. .. .. .. .. ..
15 pints
18 pints
8.5
Gearbox .. .. .. .. .. .. .. .. .. .. .. .. ..
2 1/2 "
3 "
1.42
Automatic transmission unit (2 + 2 only) .. .. .. .. .. .. .. .. .. .. .. .. ..
16 "
19 "
9
Final Drive Unit .. .. .. .. .. .. .. .. .. .. .. .. ..
2 3/4 "
3 1/4 "
1.54
Cooling system (including heater) .. .. .. .. .. .. .. .. .. .. .. .. ..
27 "
32 1/5 "
15.36
Petrol tank .. .. .. .. .. .. .. .. .. .. .. ..
14 gallons
16 3/4 gallons
63.64



Dimensions and Weights


Wheelbase (Open and fixed head coupe) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 8' 0" (2.44 m.)
(2 + 2) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 8' 9" (2.66 m.)
Track, Front .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 4' 2" (1.27 m.)
Track, Rear .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 4' 2" (1.27 m.)
Overall length (Open and fixed head coupe) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 14' 7 5/16" (4.45 m.)
(2 + 2) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 15' 4 7/16" (4.78 m.)
Overall width .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 5' 5 1/4" (1.66 m.)
Overall height (Fixed head coupe) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 4' 0 1/8" (1.22 m.)
(Open 2 seater) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 3' 10 1/2" (1.18 m.)
(2 + 2) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 4' 2 1/8" (1.27 m.)
Weight (dry) approximate (Fixed head coupe) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 22 1/2 cwt. (1123 kg.)
(Open 2 seater) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 22 cwt. (1098 kg.)
(2 + 2 Standard transmission) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 24 1/2 cwt. (1245 kg.)
(2 + 2 Automatic transmission) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 24 3/4 cwt. (1257 kg.)
Turning circle .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 37' 0" (11.27 kg.)
(2 + 2) .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 41' 0" (12.19 m.)
Ground clearance .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. .. 5' 1/2" (140 mm.)

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