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Thursday, April 30, 2020

GT-R Engine Specifications : Normal : Group A : LeMans : 2.8 : N1



This is an older chart from GT-R Magazine, showing some of the engine specifications from Group A, 2.6 and 2.8 liter race engines.  95 LeMans, and R33 N1. 
Not every box was translated/filled in. Never got around to it. 


R32 StdGroup A2.6L2.8L95 LemansR33 N1
PS/Rpm280/6800 rpm580~630450560630470
Kg-m/Rpm36/4400rpm6570787055







cc256825682568277125682568
Bore x Stroke86 x 73.786 x 73.786 x 73.787 x 77.186 x 73.786 x 73.7
Rev Limit800085008500850085008000
Compression ratio8.5
7.3~7.9
7.3~8.2
7.3~8.2
7.6
7.9~8.8
?STD





?STD





?





?2x 1





?-





?STD





?STD





?EB-8





INTEH-11





EXh
EH-11





?-





Headgaskett=1.2 carbonSUS3 t=1.2SUS3 t=0.9~1.7SUS3 t=0.9~1.7SUS3 t=1.2SUS3 t=0.9~1.7
HeadboltSCM4
AMS6304



STD
?86
86
86
87
86
86
?





?





?





?





?





Top Ring thickness1.5
1.2
1.2
1.2
1.2
STD
Top Ring materialSTD
SUS410
SUS410
SUS410
SUS410

2nd Ring1.5
1.2
1.2
1.2
1.2

2nd Ring





Oil Ring2.8
2.8
2.8
2.8
2.8
STD
Oil Ring





?





Con Rod center to121.5mm121.5mm121.5mm119.5mm121.5mmSTD
Con Rod materialSV40CL1
SV45CL1
SCM440H
SCM440H
SCH440H
STD
?21.8mm
21.8mm
27mm
27mm
27mm

Con Rod bolt materialSCM440H
AMS6304
AMS6304
AMS6304
AMS6304
STD
?





?





?





?





?





?





?





Cam Int Duration607060~6662~6870STD
               Lift8.58mm10.8mm9.6~10.4mm9.6~10.4mm10.8mmSTD
Cam Exh Duration596860~6460~6668STD
             Lift8.28mm10.4mm9.6~10.4mm9.6~10.4mm10.4mmSTD
?23-2515-20--15-20STD
?





?





?





?





?





?





?





?





?





?





?





?





Turbo CompressorT04BT04BT03T04BT04BT03
Wheel61.7T63T5 Axis Forged5 Axis Forged63T 5 Axis55T
Turbo ExhaustT25T25T25T25T25T25
Turbo BRG





?STD





?-
RING ADPT




Oil Pump Flow (L/H)@ 6000rpm46.765707070STD
?





?





?





?





Fuel Pressure3.05 kg/cm24.4 kg/cm24.4 kg/cm24.4 kg/cm24.4 kg/cm2STD
Fuel Injectors444cc555cc555cc555cc555ccSTD
Fuel Pump (L/min)@4280 rpm160240



Water pump pulleyNP110    1.07
AL      0.9
AL       0.9
AL   0.9
AL    0.9
STD
TSTR-IGN UNITSTD
VOLT UP
VOLT UP
VOLT UP
VOLT UP
STD
Spark Plugs#6Semi Resistor #10,#11Semi Resistor #10,#11Semi Resistor #10,#11?#9
?





?







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