Cadillac 1937 LaSalle VVI Information page 164

76
E N G I N E
Pin should be a free fit without play in
this side of piston at room temperatun
Remove piston pin in direction
indicated by arrows
Install in opposite- direction
Locking Screw
Fig. 10 Cross Section of Piston,
Series 37-85 and 90
Install snap ring
in this position
Identifying Rib
Take measurements 90°
from piston pin hole
Fig. 11 Cross Section of Piston,
Series 37-50, 60, 65, 70 and 75
Measure piston at the
two points indicated;
1/2-in. from edge of skirt
1-1/4-in. from head
Fig. 12 Measuring Piston Diameter
With feeler in place in cylinder and piston in its running position
but without rings, the piston should drop of its own weight with
the thin feeler and hold tightly in place with the thick feeler.
Series Thin Gauge Thick Gauge
.0015 in. .002 in.
',75 .002 .in. .0025 in.
Gauge Thicknesses
Fig. 13 Fitting Pistons to Cylinder Bores
Plate 29. Piston and Bore Servicing Operations