Ford 1961 Comet Service Specifications Handbook page 84

ENGINE
PISTON
Diameter-Standard-Color Coded:
223-Red ...... . _ ........... . . . .. 3.6236-3.6242
223-Blue .......... . . . .. .. ....... 3.6248-3.6254
223-0.003 0.5.. . . . . . . . . . . . . . . . .. 3.6260-3.6266
292-Red .......... _ ...... ...... _ 3.7486-3.7492
292-Blue _ . .... .......... . .. ..... 3.7498-3.7504
292-0.0030.5 .. ..... . .. ... ...... 3.7510-3.7516
352-Red ........... . ...... ...... 3.9982-3.9988
352- Blue ........... . ... ... . . .. _. 3.9994-4.0000
352-0.003 0.5.. . . . . . . . . . . . . . . . .. 4.0006-4.0012
390-Red _ . ___ . _ ................. 4.0477-4.0483
390-Blue ............ .. ..... . . . .. 4.0489-4.0495
390-0.003 0.5 .. ...... . _ . . . . . . . .. 4.0501-4.0507
To Cylinder Bore Clearance-Selective Fit-New:
223 and 292 .. _ ....... . .. . ........ 0.0008-0.0026
352 . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 0.012-0.0030
390 . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 0.0017-0 .0035
To Cylinder Bore Clearance-Wear Limit:
All Eng ines . . .. .. .......... _ . _ . . . . . . . . . .. 0 .0006
Ring Groove Width:
Compression-Top:
223 ............. . .... . . ..... . ... 0.0955-0.0965
292 ....... ____ . . . . . . . . . . . . . . . . .. 0.0800-0.0810
352 and 390 ... _ .. _ . . ............ _ 0.0805-0.0815
Compressian- Bottom:
223 ................ . .. . ..... . . . . 0 .0955-0.0965
292 . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 0 .0800-0.0810
352 and 390 .. ...... ......... .. ... _. 0 .096-0.097
M-27