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Austin-Healey
Tech Data for 100/6 & 3000, Mk 1 - 2- 3
(information from AUSTIN-HEALEY: OWNERS WORKSHOP MANUAL, by
Kenneth Ball, Autopress Ltd. 1973)
Dimensions are in inches unless otherwise
stated
"A" refers to the 2639 cc engine with 2 port head
"B" refers to the 2912 cc engine
"C" refers to the 2639 cc engine with 6 port head
While I have tried to be accurate as
possible, it is very likely that there are typos and errors on this page.
Please note that no one associated with austin-healeys.com assumes any liability
arising from the information presented here. If you find a mistake, please let
me know from the contact
page and I will correct it.
AXLES, HUBS, SUSPENSION, WHEELS, AND BRAKE DETAILS
| Rear axle: |
|
|
| A and B |
Type |
3/4 floating |
| A |
Ratio Standard |
3.91:1 |
| B |
|
3.545:1 |
| A |
With Overdrive |
4.1:1 |
| B |
|
3.909:1 |
| A and B |
Final Drive |
Hypoid bevel |
| A |
Teeth on crownwheel and
pinion, |
|
| |
standard |
43/11 |
| B |
|
39/11 |
| A |
With overdrive |
41/10 |
| B |
|
43/11 |
| A and B |
Crownwheel/pinion backlash |
Marked on crownwheel |
| A and B |
Adjustment Marked on
crownwheel |
Shims |
| A and B |
Oil capacity |
3 pints (1.704 litres) |
| Rear springs: |
|
|
| A and B |
Type |
Semi-elliptic |
| A |
Number of leaves |
7 |
| B |
Mark I, II, and III |
7 |
| |
Mark III from #26705 |
6 |
| A and B |
Thickness of leaves |
6 at .1875 (4.76 mm) |
| |
|
1 at .15625 (4 mm) |
| B |
MkIII |
4 at .1875 (4.8 mm) |
| |
|
2 at .15625 (4 mm) |
| A and B |
Width |
1 3/4 (44.5 mm) |
| A and B |
Deflection |
4 ? 1/4 (101.6 mm) |
| |
MkIII |
5 1/4 (133.35 mm) |
| A and B |
Loaded camber |
1/2 (12.70 mm) ?1/8 |
| |
Mk III |
1 (25.4 mm) |
| A and B |
|
3 at .03125 (.80 mm) |
| Steering: |
|
|
| A and B |
Type |
Cam gears and peg |
| A Ratio |
|
14:01 |
| |
|
15:01 |
| From car BN4 #68960 and
BN6 1995 |
|
|
| A and B |
Track toe-in |
.0625 to .125 (1.58 to 3.17
mm) |
| B |
Steering lock angle |
Outer 20 deg. |
| |
|
Inner 21 deg. |
| Suspension: |
|
|
| A and B |
Front type |
Coil spring, wishbone |
| A and B |
Castor angle |
2 deg. |
| A and B |
Camber angle |
1 deg. |
| A and B |
Swivel pin inclination |
6 1/4 deg. |
| A and B |
Rear type |
Semi-elliptic leaf underslung,
Panhard rod |
| A and B |
Shock absorbers |
Armstrong lever hydraulic |
| Brakes |
|
|
| A and B |
Type |
Girling hydraulic |
| A |
Front |
Two leading shoes |
| B |
|
Disc |
| A and B |
Drum diameter |
11 (280 mm) |
| B |
Disc diameter |
11 (285 mm) |
| A and B |
Shoe lining width |
2 1/4 (57 mm) |
| A |
Shoe lining length |
10.4 (265.6 mm) |
| B |
|
10.53 (267.4 mm) |
| A |
Thickness |
.167 to .174 (4.24 to 4.42
mm) |
| B |
|
.187 (4.76 mm) |
| |
Disc pad thickness |
.40625 (10.32 mm) |
| A and B |
Pedal free movement |
.125 (3.175 mm) |
| A |
Frictional area |
188 sq in (1213 sq cm) |
| B |
Rear |
95 sq in |
| |
Disc |
4 x 4.25 sq in |
| |
|
4 x (10.8 sq cm) |
| A and B |
Handbrake |
Mechanical rear wheels |
| Tyre sizes and pressures; |
|
|
| A |
|
5.90 x 15 tubeless |
| B |
|
5.90 x 15 road speed (with
tubes) |
| A and B |
Front |
20 lb/sq in (1.41 kg/sq cm) |
| |
Rear |
25 lb/sq in (1.76 kg/sq cm) |
| Maximum
performance speeds increase all |
|
| pressures by |
|
5 lb/sq in (.35 kg/sq cm) |
| Wheels: |
|
|
| A and B |
|
4J x 15 ventilated steel disc
or |
| |
|
4J x 15 wire (optional) |
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