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The following is intended for any car sporting the rb20det.
Vehicle model: hcr32 and hnr32
Engine type: rb20det
Displacement (cc): 1998
Combustion chamber: pent-roof type
Valve arrangement : DOHC belt drive
Bore x stroke mm: 78.0 x 69.7
Compression ratio : 8.5
Compression pressure: (kg / cm2) / (rpm) 12.0 / 300
Maximun output (net) (ps / rpm): 215 / 6400
Maximun torque (net) (kg-m / rpm): 27.0 / 3200
Fuel consumption ratio (g / GS.h) / (rpm): 215 / 2400
Dimensions m/t (l / w / h) (mm): 845x660x685
Dimensions a/t (l / w / h) (mm): 830x660x685
Idle speed (rpm): 800
Ignition timing a/t (BTDCdegrees / rpm): 15 / 650
Ignition timing m/t (BTDCdegrees / rpm): 20 / 650
Firing order: 1-5-3-6-2-4
Valve clearance cold (mm) intake: 0.45 +/- 0.003
Valve clearance cold (mm) exhaust: 0.38 +/- 0.003
Throttle chamber bolts torque setting (kg-m) first stage: 0.9 - 1.1
Throttle chamber bolts torque setting (kg-m) second stage: 1.8 - 2.2
Flywheel run-out limit (mm): 0.10
Con rod nut tightening stage 1 (kg-m): 2.3 - 2.9
Con rod nut tightening stage 2(kg-m): 3.9 - 4.5
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rb20det Engine variations:
The rb20det came in two different forms, the earlier red top with the NICS system and the newer silver top version with the ECCS system. The red top is the earlier version of the rb20det and came as standard with the r31 skyline, z32 fairlady and the nissan laurel, whilst the r32 skylines and nissan cefiro came with the silver top version.
Just to confuse you more there were a few red top rb20dets with the eccs system, heres some engine power outputs.
RB20DET red top
1986-1987: 178bhp (NICS version)
1988-1989: 190bhp (ECCS version)
RB20DET silver top
1989 onwards: 215bhp
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Resetting the rb20det ECU:
You can reset the ecu by disconnecting the battery and then pressing the brake pedal in for a minute or so, doing this tries to light up the brake lights and removes all of the voltage from the ecu, then connect it back up and go for a drive. Make sure the front wheels are straight when you do this or else the hicass can get a bit screwed up because it thinks the wheels are turning slightly.
The ECU has the mapping for the fuelling this wont change but the timing and airflow is monitored all of the time and adjusted according to conditions if you have been using low octane fuel or carried out recent mods then you'll benifit from the ECU reset as it relearns the optimum settings and changes the timing in very large increments initially then as it gets closer to being right it narrows the adjustments down.
The ignition timing is advanced until knock is detected and then pulled back in narrowing swings above and below ideal until it has narrowed it down to being ok. Once settled it almost stops learning and will use tiny adjustments each time you go out and take a lot longer to get to its ideal each time.
Part numbers for of r32 gts-t:
*Warning, this part list is in nowehere complete*
Water Pump: 21010-21U25
Thermostat: 21200-42L05
coil Packs: 22433 60u02 mcp-300124
Oil Filter Genuine Nissan: 15208-H8911
Oil Filter Ryco: Z145A
Oil Filter Valvoline: R9
Oil Capacity: 4.6L with filter (7.5w 30 is recommended)
Coolant Capacity: 9L
Manual Gearbox: 2L (80w 90)
P/s Fluid capacity, non-hicas: 1.8L
Sump washer 11026-01M02
Fuel filter 16400-53J10
Rear diff oil 1.5L
Alternator belt 11720-24U00
Cam belt 13028-20P10
PAS belt 11950-04U00
NGK standard plugs PFR5A-11 1.1mm gapped
NGK Iridium plugs T7341T-8 0.8mm gapped
Trust-Greddy Iridium plugs IT08 0.8mm gapped
Air Flow Meter 22680-02U00
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