Chrysler Windsor C-67 1955 - Page 158

CHRYSLER SERVICE MANUAL
ENGINE—157
MINIMUM MEASUREMENT
MAXIMUM MEASUREMENT
VALVE STEM LENGTH GAUGE
51x758
Fig. 18—Checking Valve Stem Position (FirePower)
The end of cylindrical gauge and bottom of
slotted area represent maximum and minimum
allowable extension of valve stem tip beyond
spring seat. If tip exceeds maximum, grind to
approach, but do not go below minimum allow-
able on gauge.
13. TESTING VALVE SPRINGS
Whenever valve springs are removed they
should be tested with spring tester Tool C-647.
Attach torque wrench, check tension and mul-
tiply reading by 2. The valve springs should
test 160 to 172 pounds when compressed to
1%
6
inch. Discard springs that do not meet
these specifications.
Check each spring for squareness with a
steel square and surface plate. (Fig. 19). If
SEAL
RETAINERS
LOCKS
54x336
Fig. 20—Valves, Springs, Seals and Retainer
(Disassembled View)
spring is more than y
16
inch out of square,
install new spring.
14. INSTALLING VALVES
AND VALVE SPRINGS
Coat intake valve stems with lubricating oil
and insert in position in cylinder head. Install
Fig. 19—Checking Valve Spring For Squareness
56x138Al
Fig. 21—Installing Intake Valves and Cup Seals
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