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Here are some stats on the engines and D4 & D4S technology on the 4GR-FSE & 2GR-FSE.

1. 4GR-FSE
a. 2499 cm3
1) 3.27” X 3.03” bore X stroke (83 X 77 mm)
b. 12.0:1 compression ratio
c. Output 2
1) 204 HP (153 kW) @ 6400 rpm
2) 185 ft-lb (252 NM) @ 4800 rpm
2. D-4 direct 4-stroke gasoline fuel injection
a. fully-electronic controlled common-rail system

3. 2GR-FSE
a. 3456 cm3
1) 3.70” X 3.27” bore X stroke (94 X 83 mm)
b. 11.8:1 compression ratio
c. Output
1) 306 HP (231 kW) @ 6400 rpm v. previous 2JZ-GE 3.0L I6: 215 HP (164 kW) @ 5800 rpm
2) 277 ft-lb (380 NM) @ 4800 rpm v. 2JZ-GE: 218 ft-lb (298 NM) @ 3800 rpm
d. D-4S = direct fuel injection + port fuel injection (SFI)




Courtesy of: Lexus USA
 
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