Toyota Supra 1990 Manual page 102

EM-70
No.1 - No.3 Crank Pin
Front
....
Mark
0, 1 or 2
Mark
1,2,3,4
or
5
Mark
1,2 or 3
ENGINE MECHANICAL - Cylinder Block
EM6890
EM6954
F0733 EM 5955
HINT: If using a standard size bearing, replace with one
having the same number. If the number of the bearing can-
not be determined, select a bearing from the table below
according to the numbers imprinted on the connecting rod
cap and crankshaft. There are five sizes of standard bear-
ings, marked "1", "2", "3", "4" and "5" accordingly.
---------------
Number marked
Rod cap
1
1 2
1 2
Crankshaft 0 1 0 2 1
Bearing
1
2 2
3 3
Example:
Rod cap" 2", Crackshaft "1"
(Reference)
Mark
Big End Inner
Crank Pin
Diameter Diameter
0
51.993 - 52.000
-
(2.0470 - 2.0472)
1
55.015 - 55.025
51.985 - 51.992
(2.1659 - 2.1663) (2.0446 - 2.0469)
2
55.026 - 55.035
51.976 - 51.984
(2.1664 - 2.1667)
(2.0463 - 2.0466)
3
55.036 - 55.045
(2.1668 - 2.1671)
-
-~-.
4
-
-
5
-
-
U/S 55.015 - 55.045
51.725 - 51.735
0.25
(2.1659 - 2.1671)
(2.0364 - 2.0368)
3
2 3
3
- -
0 2 1 2
3
4 4 5
Bearing
"3"
mm (in.)
Bearing Center
Wall Thickness
-
1.490 - 1.495
(0.0587 - 0.0589)
1.496 - 1.500
(0.0589 - 0.0591)
1.501 - 1.505
(0.0591 - 0.0593)
1 .506 - 1.51 0
(0.0593 - 0.0594)
1.511 - 1.515
(0.0595 - 0.0596)
1.622 - 1.632
(0.0639 - 0.0643)
20. REMOVE PISTON AND CONNECTING ROD ASSEMBLIES
(a) Remove all the carbon from the top of the cylinder.
(b) Cover the rod bolts with a short piece of hose to pro-
tect the crank pin from damage.
(c) Push the piston and connecting rod assembly out
through the top of the cylinder block.