Nissan Skyline R32 cylinder block ASSY assembly and disassembly
 
Tools required:
Engine stand ASSY ST0501 S000
Engine attachment KV101 06500
Engine sub-attachment KV101 14500
Rear axle bearing drift KV401 00900
Rear oil seal drift ST3002 2000
Pilot bearing puller ST1661 0001
Piston ring compressor
Piston ring expander
Dial gauge
Magnetic stand
Inside micrometer
Plastigage
Micrometer
Connecting rod aligner
Bore gauge
V-block
Straightedge
Engine slinger
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Additional work required:
•  Drain and refill: cooling water
•  Remove and install:
Engine
Collector
Throttle chamber
Intake manifold
Turbocharger, exhaust manifold
Timing belt
Cylinder head ASSY
Alternator
Starter motor
Clutch cover, clutch disc
Oil pan, oil strainer
Water pump
Oil pump
Oil cooler, oil strainer
All harnesses and connectors
 
Reference: Engine selection assembly
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 1] Nissan Skyline R32 cooling water, drain and refill
 
Draining

•  Drain the water in the cylinder block completely from the drain plug.
 
Refilling

•  Refer to Cooling Water Filling Method (B6) for details.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 2] Nissan Skyline R32 engine stand installation and removal
•  The engine sub-attachment is attached by 6 bolts to engine mounting bracket on right side of engine.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 3] Nissan Skyline R32 flywheel runout
•  Set dial gauge to flywheel where it contacts clutch.
•  Turn the flywheel and measure the runout.
 
Runout (total indicator reading) : 0.10 mm (0.0039 in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 4] Nissan Skyline R32 flywheel removal and installation
 
Removal
 
•  Use ring gear stopper to secure flywheel and remove. 
 
Installation
 
•  Before installing bolts, coat the thread and flange of bolt with engine oil.
•  After tightening the flywheel installation bolts halfway, use the ring gear stopper to secure flywheel and tighten bolts.
 
Flywheel bolt tightening torque : 142 - 152 N-m (14.5 - 15.5 kg-m, 105 - 112 ft-lb)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 5] Nissan Skyline R32 flywheel knock pin insertion
•  Insert the flywheel knock pin so pin protrudes 8 to 8.5 mm (0.315 to 0.335 in).
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 6] Nissan Skyline R32 rear oil seal retainer removal and installation
 
Removal
 
•  Insert a screwdriver in the gap between main bearing cap and rear oil seal retainer to remove seal.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Cleaning
 
•  Use a scraper to remove liquid gasket. 
CAUTION:
Also remove liquid gasket in grooves.
•  Clean the cylinder block side in the same way.
•  Clean mating surface with white gasoline or equivalent.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Installation

•  Apply liquid gasket to mating surface and install unit within 5 minutes after coating.
•  Cut nozzle end of liquid gasket (KP510 00150) tube as shown in figure and use tube presser for application.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  Apply liquid gasket continuously to rear oil seal retainer as shown in the figure on left. 
CAUTION:
(1)  Be sure liquid gasket is 2.0 to 3.0 mm (0.079 to 0.118 in) wide.
(2)  Refill engine oil and start engine 30 minutes after assembly is completed.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  Align rear oil seal retainer with dowel pins.
•  Tighten the 6 bolts uniformly.
 
Rear oil seal retainer bolt tightening torque : 6.3 - 8.3 N-m (0.64 - 0,85 kg-m, 4.6 - 6.1 ft-lb)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 7] Nissan Skyline R32 rear oil seal removal and installation
 
Removal
 
•  Use a screwdriver or suitable tool to remove the seal.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Installation
 
•  Be careful not to scratch or damage the oil seal perimeter area. Use an oil seal drift [outside diameter: 100 mm (3.94 in)] to install new oil seal.
•  Apply a coat of engine oil or chassis grease to oil seal lip perimeter area.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 8] Nissan Skyline R32 connecting rod side clearance inspection
•  Use a feeler gauge to measure the thrust clearance between the connecting rod and crank arm.
 
Unit: mm (in)
Standard : 0.2 - 0.3 (0.008 - 0.012 )
Limit : 0.4 (0.016)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 9] Nissan Skyline R32 piston and connecting rod ASSY removal and installation
•  Use a hammer handle or similar tool to press unit to cylinder head side.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 

Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Installation
 
•  Set crank pin at B.D.C. (bottom dead center) position.
•  Coat cylinder bore, crank pin and piston with engine oil.
•  Assemble piston with front mark on piston head facing the front of engine.
•  Use a piston ring compressor to install piston and connecting rod assembly in cylinder block.
CAUTION:
Be careful not to strike or deform oil jet pipe with large end of connecting rod.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 10] Nissan Skyline R32 connecting rod nut tightening
•  Apply engine oil to connecting rods and nuts before assembly.
•  Tighten nuts in two or three stages.
 

1st time

Torque wrench

14-16 N-m (1.4-1.6 kg-m, 10-12 ft-lb)

2nd time

Angle wrench (*)

60-65

 
CAUTION:
Do not use visual angle measurement for tightening torque if an angle wrench is not available.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 10] Nissan Skyline R32 connecting rod bearing installation
•  Apply engine oil to bearing surfaces when assembling connecting rods and bearings. Do not apply engine oil to rear side of bearing, only clean this area.
•  Align connecting rod bearing retainer notches and install.
•  Align connecting rod oil holes and bearing oil holes.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 11] Nissan Skyline R32 oil jet installation
•  Set oil jet position securely and check that it does not interfere with piston.
If oil jet pipe contacts piston or is bent, replace it with new part.
 
Oil jet tightening torque : 30-40 Nm (3.1-4.1 kg-m, 22-30 ft-lb)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 12] Nissan Skyline R32 piston ring removal and installation
 
Removal
 
•  Use piston ring expander to remove rings. 
CAUTION:
Be careful not to scratch piston.
 
Installation
 
•  Use piston ring expander to install piston rings in correct position.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  The stamped marks on top and second piston ring openings must face up.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Position piston ring openings as shown in the figure on left and install.
CAUTION:
Be careful not to scratch piston.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 13] Nissan Skyline R32 snap ring removal and installation
 
Removal
 
•  Use snap ring pliers to remove rings. Installation
•  Use snap ring pliers and install ring securely in groove. 
CAUTION:
Do not reuse snap rings.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 14] Nissan Skyline R32 piston pin removal and installation
•  When removing and installing piston pin, use a heat gun to heat piston to 60 to 70°C (140 to 158°F).
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  Place suitable tool against piston pin and use press or plastic hammer.
 
Piston pin press-fit
 
•  Apply a liberal amount of oil to pin, pin hole, and connecting rod small hole.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  Position piston front mark so the connecting rod oil hole faces right side of engine (left side when viewed from front) and press-fit.
CAUTION:
Press-fit piston pin from the front of piston to the rear side of piston.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 15] Nissan Skyline R32 piston pin inspection
•  Measure outside diameter of piston pin with micrometer.
 
Standard : 20.989-21.001 mm (0.8263-0.8268 in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 16] Nissan Skyline R32 piston inspection
•  Measure outside piston skirt diameter with micrometer.
 

Measuring point

Distance from bottom: 13 mm (0.51 in)

Standard

85.955 - 85.985 mm (3.3840 - 3.3852 in)

 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  Measure inside diameter of piston pin hole with inside micrometer.
 
Standard : 20.987 - 20.999 mm (0.8263 - 0.8267 in)
 
•  Five types of pistons are available for service (STD1, STD2, STD3, 0.50S, 1.00S).
 
[Point 17] Nissan Skyline R32 piston pin clearance inspection
•  Piston pin clearance is the figure obtained by subtracting the piston pin outside diameter [Point 15] from the piston pin hole inside diameter [Point 16].
Piston pin clearance at normal temperature [20°C (68°F)] : 0 to -0.004 (0 to -0.0002 in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 18] Nissan Skyline R32 connecting rod inspection
 
Bend and torsion inspection
 
•  Measure the bend and torsion with connecting rod aligner.
 

Bend limit

0.15 mm (0.0059 in)

Torsion limit

0.3 mm (0.012 in)

 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Small end inside diameter inspection
 
•  Using an inside micrometer, measure inside diameter of connecting rod small end.
 
Standard : 21.000 - 21.012 mm (0.8268 - 0.8272 in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Connecting rod bearing inside diameter inspection
 
•  Install connecting rod bearing in connecting rod and cap. Tighten connecting rod nuts to specified torque and measure connecting rod bearing inside diameter.
 

Connecting rod

nut tightening

torque

1st time

Torque wrench

14-16 Nm

(1.4-1.6 kg-m,

10-12 ft-lb)

2nd time

Angle wrench

60° - 65°

Standard value

47.989-48.007 mm (1.8893-1.8900 in)

 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 19] Nissan Skyline R32 connecting rod small end bushing clearance
•  The measurement difference of the small end inside diameter [Point 18] and outside diameter of piston pin [Point 15] is the bushing clearance. (Full float type)
 
Bushing clearance standard : 0.005 - 0.017 mm (0.0002 - 0.0007 in)
 
•  The connecting rod small end and piston pin outside diameter are separated into two grades at the factory. Check that the grades (0.1) conform for both parts because the rod and pin are selected and fitted according to bushing clearance.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 20] Nissan Skyline R32 connecting rod cap bolts
•  Connecting rod cap bolts have grooves to prevent them from disengaging.
•  For this reason, do not tap the ends to remove bolts.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 21] Nissan Skyline R32 piston ring end gap and side clearance
 
Ring end gap inspection
 
•  Using a piston, press the piston ring into the middle of the cylinder, and measure the gap.
 

Part

Top ring

2nd ring

Oil ring

Item

Standard mm (in)

Bore grade 1, 2, 3: 0.24 - 0.34 (0.0094 - 0.0134)

0.42 - 0.57 (0.0165 - 0.0224)

0.20 - 0.60 (0.0079 - 0.0236)

 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Side clearance inspection
 
•  Measure the clearance between piston ring and piston ring groove.
 

Part

Top ring

2nd ring

Oil ring

Item

Standard mm (in)

0.040 - 0.075 (0.0016 - 0.0030)

0.030 - 0.065 (0.0012 - 0.0026)

0.065 - 0.135 (0.0026 - 0.0053)

 
•  Three types of piston rings (STD, 0.50S, 1.00S) are available for service.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 22] Nissan Skyline R32 crankshaft thrust clearance inspection
•  Use a feeler gauge to measure the clearance between the thrust bearing (No. 4 bearing) and the crank arm when moving the crankshaft toward front and rear of engine.
 
Standard : 0.05 - 0.18 mm (0.0020 - 0.0071 in)
Limit : 0.3 mm (0.012 in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 23] Nissan Skyline R32 pilot bushing removal and installation
 
Removal
 
•  Use a pilot bearing puller to remove pilot bushing.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Installation
 
•  The pilot bushing installation position is shown in figure on left.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 24] Nissan Skyline R32 main bearing bolt removal and installation
 
Removal
 
•  Remove bearing bolts in reverse order of numbered sequence shown in the figure.
 
Installation
 
•  Tighten the bearing bolts to the specified torque in two or three steps in the sequence shown in the figure. After tightening to the specified torque, check that crankshaft turns smoothly.
 
Main bearing bolt tightening torque : 46 - 52 N-m (4.7 - 5.3 kg-m, 34 - 38 ft-lb)
 
CAUTION:
Apply a coating of engine oil to the bolt threads and bolt seats.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 25] Nissan Skyline R32 main bearing cap removal and installation
 
Removal
 
•  Use screwdrivers to pry the bearing caps open. 
CAUTION:
Be careful not to scratch the oil pan rail surface.
 
Installation
 
•  Position main bearing cap ensuring the installation direction, then fit onto cylinder block by lightly tapping it in a number of locations with a copper hammer or suitable tool.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 26] Nissan Skyline R32 main bearing inspection
•  The bearing end should protrude when installed in main bearing cap or cylinder block.
This protrusion is called the crush height.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 27] Nissan Skyline R32 crankshaft inspection
 
Out-of-round and taper inspection
 
•  Use a micrometer to check each journal (No. 1 to No. 7) and each pin (No. 1 to No. 6) in four locations shown in the figure.
•  The out-of-round value is the difference of the dimensions in directions (A) and (B).
•  The taper value is the difference of the dimensions measured at points (1) and (2).
 
Out-of-round and taper limit : 0.005 mm (0.0002 in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Pin and journal inspection
 
•  Use a micrometer to measure pin and journal diameters.
Pin diameter standard : 47.961 - 47.974 mm (1.8882 - 1.8887 in)
Journal diameter standard : 54.951 - 54.975 mm (2.1634 - 2.1644 in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Curve inspection
 
•  Use V-blocks on a fixed surface and support journals оf both ends of crankshaft (No. 1 and No. 7).
•  Position the dial gauge vertically on middle of No. 4 journal as shown.
•  Turn crankshaft by hand in one direction and read dial gauge movement.
•  The runout is equal to one-half of dial gauge movement.
 
Limit : 0.05 mm (0.0020 in)
 
[Point 28] Nissan Skyline R32 connecting rod bearing oil clearance inspection
 
Method A (using inside micrometer and micrometer)

•  The oil clearance can be calculated from the connecting rod bearing inside diameter and the crankshaft pin diameter measured in [Point 18] and [Point 27]. (oil clearance) = (bearing inside diameter) - (crankshaft pin diameter)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Method В (using piastigage)
 
•  Remove all dust from crankshaft pins and bearing surfaces
•  Cut off a piece of piastigage slightly shorter than the bearing width. Place the piastigage on crankshaft in direction оf axis, being careful not to place on oil hole.
•  Assemble connecting rod bearing in connecting rod cap and tighten connecting rod nuts to specified torque.
 

Connecting rod nut tightening torque

1st time

Torque wrench

14-16 N-m (1.4-1.6 kg-m, 10-12 ft-lb)

2nd time

Angle wrench (°)

60-65

 
Do not turn crankshaft or connecting rod while piastigage is being inserted.
•  Remove connecting rod cap and bearing. Measure piastigage width with piastigage scale.
 
Standard : 0.020 - 0.040 mm (0.0008 - 0.0016 in)
Limit : 0.090 mm (0.0035 in)
 
•  If the oil clearance exceeds the limit, refer to [Point 29] and select the appropriate bearing.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 29] Nissan Skyline R32 connecting rod bearing selection and engaging
•  Select the proper sized bearing because connecting rod bearing prevents fluctuation in the oil clearance. Three bearing thicknesses are available to fit the inside diameter of the big end of connecting rod and the crank pin diameter grade.
•  When replacing connecting rod bearing, check big end inside diameter grade (indicated on the opposite side of connecting rod oil hole) and the pin diameter grade (indicated on crankshaft No. 1 counterweight front surface). Select connecting rod bearing with proper thickness according to the following table.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Connecting rod bearing selection chart
 
Unit: mm (in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  When using undersize bearings, measure bearing inside diameter when bearing is installed. Grind pin so oil clearance conforms to specified value.
 
Unit: mm (in)
 

Size

Thickness

Grade No.

US0.08 (0.0031)

1.541/1.549 (0.0607/0.0610)

8

US0.12 (0.0047)

1.561/1.569 (0.0615/0.0618)

12

US0.25 (0.0098)

1.626/1.634 (0.0640/0.0643)

25

 
CAUTION:
Be careful not to scratch fillet roll when the crank pin is being ground for use with undersize bearing.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 30] Nissan Skyline R32 main bearing oil clearance
 
Method A (using bore gauge and micrometer)
 
•  Install main bearing in cylinder block and attach bearing cap. Tighten bearing cap bolts to specified torque and measure bearing inside diameter.
 
Bearing cap bolt tightening torque : 46 - 52 N-m (4.7 - 5.3 kg-m, 34 - 38 ft-lb)
 
• The oil clearance distance can be calculated from the values for the outside diameter of crank journal measured in [Point 27].
(Oil clearance) =  (bearing inside diameter) - (crankshaft outside diameter)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Standard : 0.028 - 0.047 mm (00011 - 0,0019 in)
Limit : 0.090 mm (0,0035 in)
 
•  If oil clearance exceeds limit value, refer to [Point 31] and select suitable bearing.
 
Method В (using plastigage)
 
•  Remove all dust and oil from each crankshaft journal and bearing surface.
•  Cut off a piece of plastigage slightly shorter than the bearing width. Place the plastigage on crankshaft in direction of axis, being careful not to place on oil hole.
•  Assemble main bearing and bearing cap. Install bearing cap onto cylinder block and tighten cap bolts to the specified torque.
 
Bearing cap boit tightening torque : 46 - 52 N-m (4.7 - 5.3 kg-m, 34 - 38 ft-lb)
 
CAUTION:
Do not turn crankshaft while plastigage is being inserted.
•  Remove bearing cap and bearing. Measure plastigage width on plastigage scale. 
CAUTION:
If excessive bearing clearance still exists, use a thicker main bearing or undersized bearing so that the specified bearing clearance is obtained when measured by Method A as well.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 31] Nissan Skyline R32 main bearing selection and engagement
•  Select the proper sized bearing because main bearing prevents fluctuation in the oil clearance. Seven bearing thicknesses are available to fit the cylinder block bearing housing and crank journal diameter grade. Note: Selection engagement is performed only for standard size.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
When replacing main bearing, check the bearing grade (indicated on bottom face of cylinder block) and journal diameter grade (indicated on crankshaft No. 1 counterweight front surface). Select main bearing with proper thickness according to the following table.
 
Main bearing selection table
 
Unit: mm (in)
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  When using undersize bearings, measure bearing inside diameter when bearing is installed and grind journal so oil clearance conforms to specified clearance.
 
Unit: mm (in)
 

Size

Thickness

Grade No.

US0.25 (0.0098)

1.950/1.958 (0.0768/0.0771)

25

 
CAUTION:
When crankshaft journal is being ground for use with undersize bearings, do not scratch the fillet roll.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
[Point 32] Nissan Skyline R32 cylinder block inspection and correction
•  Remove all oil and water deposits, gasket, seal material and carbon from cylinder block.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Upper surface distortion and wear inspection
 
•  Clean upper face of cylinder block and measure the distortion in six directions.
 
Limit : 0.1 mm (0,004 in)
 
•  If the distortion exceeds the specified limit, resurface face with surface grinder or replace block if necessary.
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
Cylinder inside diameter inspection
 
•  Use bore gauge and measure cylinder bore for wear, out-of-round and taper. Measure in three vertical locations (A, В, С) and two directions (X, Y) for a total of six locations.
 
Unit: mm (in)
Cylinder inside diameter standard : 86.000 - 86.050 (3.3858 - 3.3878)
Wear limit : 0.2 (0.008)
Out-of-round limit : 0.015 (0.0006)
Taper limit : 0.010 (0.0004)
 
(1)  Out-of-round measurement is difference of measurement in two directions (X, Y).
(2)  Taper is difference of measurement at top and bottom (A, C).
 
Nissan Skyline GT-R32 Cylinder block ASSY assembly and disassembly
 
•  Perform honing or boring when abnormality is inspected.
 
Cylinder honing
 
•  There are three types of oversize pistons, STD (standard -0.02), OS (0.5) and OS (1.0). When oversize pistons are used, hone the cylinder so the clearance between piston and cylinder conforms to the specified value described in [Point 33]. Oversize piston rings must be used that fit the oversize piston.
 
[Point 33] Nissan Skyline R32 piston-to-cylinder bore clearance
•  The clearance can be calculated from the measured values for the piston skirt outside diameter [Point 16] and cylinder inside diameter [Point 32] (X direction В location). 
(Clearance)  =  (cylinder inside diameter) — (piston skirt outside diameter)
 
Standard at normal temperature : 0.035 - 0.055 mm (0.0014 - 0.0022 in)