Ford 1963 Econoline - Page 9

ENGINES
1-7
VALVE MECHANISM-
Continued
VALVE SPRING FREE LENGTH-
Approximate
144 aad 170 ...... ' ........ .. 2.00
262 ........ . .. . ...... . ..... 1.96
401,477, and 534 ...... .... ... 2.07
Other Engines ...... ... ...... 2.00
VALVE SPRING PRESSURE-
Pounds at Specified Length
Valve Closed
144 and 170 .... 47.75 · 56 .2 5 at 1.585
Wear Lim it 43 at 1.585
262 .... ............. 71 · 79 at 1.65
Wear Limit 64 at 1.65
401, 477, and 534 . .... 84·89 at 1.70
Wear Limit 76 at 1.70
Other Engines ...... .. 71 ·79 at 1.78
Wear Dmit 64 at 1.78
Valve Open
144 and 170 ....... 112 · 122 at 1.222
Wear Limit 101 at 1.222
262 ... . .......... 161 · 177 at 1.260
Wear Limit 145 at 1.260
401,477, and 534 .... 178 · 192 at 1.28
Wear Limit 161 at 1.28
Other Engines ...... 161 · 177 at 1.39
Wear Limit 145 at 1.39
VALVE SPRING ASSEMBLED
HEIGHT -Pad to Retainer
144 and 170 ....... 1 ·9 / 16 - 1 ·3 9/ 64
262 .. .. ........... 1·5/ 8-1 · 11/16
401,477, and 534 .. 1· 11 /16-1. 23 / 32
Other Engines ...... 1·3 /4- 1·25 / 32
VALVE PUSH ROD RUNOUT-
Maximum
All Engines .... . ............ 0. 025
ROCKER ARM SHAFT 0.0.
144 , 170, 223 , 262, 292 . 302 ,
and 332 . ...... .. .... 0.780 · 0.781
Other Engines .. . . .. .. .. 0.781 · 0.782
VALVE TAPPET DIAMETER-
Standard
223. ... .. . ......... . 0.4983 · 0.4989
292 and 262 ........ . 0.4989 · 0.4995
144 , 170,302 , 332,401. 477
and 534 ... ...... .. 0. 8740 · 0.8745
VALVE TAPPET TO TAPPET
BORE CLEARANCE
223. . . ... ........... 0. 0011·0 .0027
Wear Limit 0. 0055
262 and 292 ...... . .. 0. 0005·0.0021
Wear Li mit 0.0055
Other Engines . ... .... 0.0005·0.0020
Wear Limit 0 .005
ROCKER ARM TO ROCKER
SHAFT CLEARANCE
144 and 170 .......... 0. 002·0.0045
Wear Limit 0.006
223, 262, and 292 ... . .. 0.002 ·0.004
Wear Limit 0.007
302 and 332 ....... ' ... 0.002 ·0. 004
Wear Limit 0.008
401. 477 , and 534 ..... .. 0. 001·0.003
Wear Limit 0.007
ROCKER SHAFT BORE
DIAMETER
All Engines ............ 0.783·0.784
CAMSHAFT, TIMING
CHAIN, AND
TIMING GEARS
CAMSHAFT END PLAY
All Engines ............ 0. 001 ·0. 007
Wear Limi t 0. 012
CAMSHAFT JOURNAL TO
BEARING CLEARANCE
All Engines ... . ... .... . 0. 001 ·0. 003
Wear Limit 0.006
CAMSHAFT JOURNAL RUNOUT
All Engines ........ . ........ 0.005
CAMSHAFT JOURNAL
OUT ·Of·ROUND
144 , 170,262,302, 33 2, 401 , 477
and 534 ................. 0.0005
223 and 292 ................ 0.001
CAMSHAFT LOBE liFT
Intake
144 and 170 ............... 0. 2405
223 and 262 ................ 0. 273
292 .. . ............ ........ 0.264
302 and 332 ................ 0.244
401 , 477 . and 534 ............ 0.278