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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.
IGNITION SYSTEM DETAILS
| Ignition system: |
|
|
| Sparking plugs: |
|
|
| A and B type |
|
Champion UN.12.Y |
| A and B gap |
|
.024 to .026 (.6 mm to .66
mm) |
| Coil: |
|
|
| A and B type |
|
Lucas HA12 |
| Distributor: |
|
|
| A and B type |
|
Lucas DM6A |
| B |
Mks II and III (from Engine
# |
|
| |
29F.35630) (from Serial
#40966B) |
Lucas 25 D6 |
| C |
|
Lucas DM6 |
| A and B |
|
Direction of
rotation-anticlockwise |
| A and B |
Contact points gap |
.014 to .016 (.356 to .406
mm) |
| A and C |
Static setting |
6 deg. BTDC |
| B |
Mk I |
5 deg. BTDC |
| |
Mks II and III |
10 deg. BTDC |
| A and B |
Maximum advance |
35 deg. BTDC |
| C |
|
36 deg. BTDC |
| B |
Stroboscopic timing |
15 deg. BTDC (at 600 rev/min) |
| B |
Dwell angle |
35 deg. ?3 deg |
| A |
Condenser capacity |
.2mF |
| B |
Mk II (series BJ7) |
.1mF |
| |
MkIII |
.18 to .23mF |
| B |
Coil resistance |
3.1 to 3.5 ohms |
| MkIII |
|
34 to 38 deg. (at 6400
rev/min) |
| |
Vacuum advance starts |
5 (12.7 cm) |
| |
Vacuum advance ends |
16 deg. at 12 (30.4 cm) |
| |
Decelerating check |
28 to 32 deg. (at 4400
rev/min) |
| |
|
22 to 26 deg. (at 3400
rev/min) |
| |
|
15 to 19 deg. (at 2000
rev/min) |
| |
|
10 to 16 deg. (at 1500
rev/min) |
| |
|
2 to 8 deg. (at 1100 rev/min) |
Back to the Big Healey Tech Data Index
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