Engine distributors WSG-1068 - Crankshaft End Play; Crankshaft Runout; Cylinder Bore Taper

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WSG-1068 GENERAL INFORMATION
Crankshaft End Play
Special Tool(s)
1. Measure the crankshaft end play. Use the Dial
Indicator with Bracketry to measure crankshaft
end play.
2. Position the crankshaft to the rear of the cylinder
block.
3. Zero the Dial Indicator with Bracketry.
4. Move the crankshaft to the front of the cylinder
block. Note and record the camshaft end play
 If camshaft end play exceeds specifications,
replace the crankshaft thrust washers or thrust
bearing.
Crankshaft Runout
Special Tool(s)
NOTE: Crankshaft main bearing journals must be within
specifications before checking runout.
Use the Dial Indicator with Bracketry to measure the
crankshaft runout.
 Rotate the crankshaft and subtract the lowest
dial indicator reading from the highest dial
indicator reading to figure the crankshaft runout.
If it is out of specification, replace as necessary.
Cylinder Bore Taper
Measure the cylinder bore at the top and bottom. Verify
the cylinder bore is within the wear limit. The difference
indicates the cylinder bore taper. Bore the cylinder to
the next oversize.