ENGINE - 3.9 V8 (page 2 of 2)

05

ENGINE TUNING DATA

2

INFORMATION

Distributor
Make/type

Lucas 35DLM8 electronic

........................................................................

Rotation

Clockwise

............................................................................

Air gap

0.20-0.35mm

..............................................................................

Part number

Lucas

Rover

8.13:1, non catalyst

42584A

.................................................

ERR 4753

9.35:1, non catalyst

42552A

.................................................

ERR 4754

9.35:1, catalyst

42583A

........................................................

ERR 4755

Centrifugal Advance
Decelerating check-vacuum hose disconnected
Distributor rpm decelerating speeds

8.13:1 non catalyst

2000

Distributor advance

........................................................................

5

°

30’ to 8

°

30’

1400 ........................................................................

6

°

18’ to 8

°

30’

800 ..........................................................................

2

°

to 4

°

9.35:1 non catalyst

2200

Distributor advance

........................................................................

7

°

to 10

°

1400 ........................................................................

7

°

48’ to 10

°

650 ..........................................................................

1

°

to 3

°

9.35:1 catalyst

2200

Distributor advance

........................................................................

5

°

30’ to 8

°

30’

1400 ........................................................................

6

°

18’ to 8

°

30’

800 ..........................................................................

2

°

to 4

°

Fuel

8.13:1, non catalyst

91 RON minimum unleaded

.................................................

9.35:1, non catalyst

95 RON minimum unleaded

.................................................

9.35:1, catalyst

95 RON minimum unleaded

........................................................

USA-Premium unleaded (PUG)

CLC or AKI 90 octane minimum

..............................

95 RON minimum

Australian market variations
Fuel

91 RON minimum unleaded

..................................................................................

Compression ratio

8.13:1

............................................................

Spark plug

Champion RN11YCC

........................................................................

Spark plug gap

0.84-0.96mm (0.033-0.038 in)

.................................................................

Ignition Timing at 800 rev/min max
(vacuum pipe disconnected)

2

°

BTDC

±

1

°

............................................

Exhaust gas idle CO

1% max (hot)

........................................................