Readings must be within limits given in table 4-47.
T h e letter T shows a tight fit. If readings are not
within given limits, throw away part and get a new
M e a s u r e inside diameter of valve guide bores in cylinder head (1).
Early model valve guides (2) are not stocked. Limits
g i v e n in table 4-47 for early model valve guides are
f o r reference purposes only. Use limits for late model
M e a s u r e outside diameter of new valve guides (2).
M e a s u r e fit of each new valve guide (2) in its valve guide bore in cylinder
GO TO FRAME 14
Valve Guides and Valve Guide Bores Wear Limits
Size and Fit
of New Parts
Item/Point of Measurement
V a l v e guide bore in cylinder
h e a d inside diameter
0.6865 to 0.6875
V a l v e guide outside diameter
0.6880 to 0.6890
0.6880 to 0.6885
1 and 2
F i t of valve guides in
cylinder head bores