1975 Thunderjet - Vintage Snow

Installing th e cyli nde r head
Cyl inder head t ightening torque :
16.6 - 19.5 ft-Ibs.
(2.3 - 2.7 m-kqs.]
M10P1. 25 x 4
3. Turn the flywheel magnet in the d irection counterclockw
ise , and set th e ignition timing at (1.8 mm.) B.T .D .C ..
This ad jus tment can be done by turning th e pulser.
Loosen the two pan head screws tightening the pulsar,
adju st th e pul ser so th at al ignment mark on the flywheel
magn et is aligned with t im ing mark on the pulser.
11
A ll nuts must be ti ghtened evenly.
TJ4 ~
Figure 40
1. Pan head screw
2. Timing mark
3. A lignme nt mark
Fig ure 43
No te:
Th e difference in th e ig ni ti on t im ing betw een th e two
cylinders should be zero .
Figure 41
D. IGNITION TIMING ADJUSTMENT
1. Instal l the d ial gauge and d ial gauge stand in the plug hole
of th e cylinder head.
2. Turn th e flywheel ma gnet to bring th e pis ton to top dead
ce nter, and set th e dia l gu age to zero .
TJ42
Figure 42