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Tune Up Specifications

Year

Model

Spark Plug

Distributor

Firing Order
(1)

Ignition Timing

Hot Idle Speed

Ave
Comp. Pressure
P.S.I

Type
AC

Inch
Gap

Point
Gap
Inch

Dwell
Angle
Deg.

Mark
or
BTDC

Location

S.M
Tr.

Auto.
Tr.
D = Drive
N=Neutral

1953

All

46-5

.030

.016

26-33

18736542

(3)

Pully

425

400D

140

1954

All

46-5

.030

.016

26-33

18736542

(3)

Pully

425

400D

145

1955

All

44-5

.030

.016

26-33

18736542

(3)

Pully

425

400D

150

1956

All

44

.030

(2)

30

18736542

(3)

Pully

425

400D

165

1957

All

44

.030

(2)

30

18736542

(3)

Damper

450

460N

170

1958

All

44

.030

(2)

30

18736542

(4)

Damper

460

460N

180

1959

All

44

.030

(2)

30

18736542

(4)

Damper

460

460N

175

(1) V8 cylinder numbering (front to rear): Left bank 1-3-5-7, Right bank 2-4-6-8.
(2) Turn adjusting scre in (clockwise) until engine misfires, then turn screw out 1/2 turn.
(3) Cars with one notch set at leading edge of notch. On cars with 3, set at center slot.
(4) Two slots. Set timing to first slot whic is 5 deg BTDC.

I do not have the information from 1950-1952