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LINCOLN

1946-64 Tune-up Specifications

Year
Engine or 
Car Model
Spark 
Plug Gap
Point
Gap
Dwell
Angle
Firing
Order
Ignition Timing 
(BTDC or Mark)
Valve Lash
Intake
Exhaust
1946-48
All
.028 .015 36 1
3
Zero
Zero
1949-51
All
.030 .015 28 15486372 2 Mark Zero Zero
1952-54
All
.030 .015
28
15486372 2 Zero Zero
1955
All
.034 .015
26-28
15486372 2 Zero Zero
1956-57
All
.034 .015
26-28
15486372 2 Zero Zero
1958
All
.034 .015
26-28
15426378 2
.078 - .218 4
1959-62
All
.034
.017
26-31
15426378 2 5
.078 - .218 4
1963
All
.034
.017
26-31
15426378 2
.078 - .178 4
1964
All
7 8 9 15426378 2 8°
.078 - .178 4
1 - Cylinder numbering (front to rear): Left
bank 1-3-5-7-9-11, right bank 2-4-6-8-10-12.	
Firing order	1-4-9-8-5-2-I1-10-3-6-7-12

2 - Cylinder numbering (front to rear): Right
bank 1-2-3-4  Left bank 5-6-7-8.

3 - There are no timing marks. Spark may be
advanced or retarded by adjusting vacuum
brake set screw on distributor housing.
4 - With rocker arm rotated to collapse lifter,
the clearance listed should exist between
end of valve stem and rocker arm.

5 - 1959 6°, 1960-62 8°.

7 - Conventional ignition .034", Transistor
 ignition .030".
8 -Conventional ignition .017", 
Transistor ignition .020".
9 - Conventional ignition 26-31°, Transistor ignition 22-24°.