Engine Options: Information and Resources Guide

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Overview:

All the info you ever wanted to know about the popular engine swaps for the 240sx.

*NOTE: When performing any swap, it is a good idea to replace any maintenance items on the car and motor before installation. This includes but is not limited to:

- water pump- timing chains or belt- fuel injectors- fuel pump- spark plugs and wires- dist cap and rotor/coil packs- all filters- all fluids- belts- clutch and flywheel- gaskets and seals

S13, S14 KA24DE (DOHC)

General:

- From 1991-1998 Nissan 240sx- 2.4 liter/145 c.i. displacement, 89.0mm (3.50393 in.) bore x 96.0mm (3.77592 in.) stroke- Cast iron block, aluminum head- DOHC 16 valve solid lifter configuration- CR: 91-94 - 9.2:1, 95-98 - 9.5:1- Weight: ~ 465-500 lbs not including transmission

Peak HP - 155 @ 5600rpmPeak Tq. - 160 ft/lb @ 4400 rpm

Availability/Cost: High/LowParts Availability/Cost: High/LowDifficulty of installation: Low

Parts Required:

- Motorset (complete, virtually nothing from the SOHC motor is compatible)- Transmission (not required for S13 DOHC swap, CAS location on S14 motor may require S14 transmission)- Power steering relocation lines- Wiring harness and ECU

Procedure:

- See Article

CA18DE-T

General:

- From 1987-1988 S12 Silvia GT-X, 1989-1990 S13 Silvia/180sx, 1989-1993 S13 200sx (Euro-spec).- 1809cc displacement, 83mm bore x 83.6mm stroke- Cast iron block, aluminum head- DOHC 16 valve solid lifter configuration- CR 8.5:1- Weight: ~ 500 lbs.

Peak HP - 173 @ 6400 rpmPeak Tq. - 166 ft/lbs @ 4000 rpm

Availability/Cost: Mid/Low-MidParts availability/Cost: Low/MidDifficulty of installation: Low-Med

Parts Required:

- Motorset- Transmission- Wiring harness and ECU - Engine and transmission mounts- Driveshaft

Procedure:

- See Article

- More Info

Sponsor Sellers:

- Total JDM

SR20DE-T (Redtop, Blacktop S13)

General:

- From 1991-1993 S13 Silvia, 1991-1998 S13 180sx- 1998cc displacement, 86mm bore x 86mm stroke- Aluminum block and head- DOHC 16 valve hydraulic lifter configuration- CR 8.5:1- Weight: ~ 490 lbs.

Peak HP - 203 @ 6400 rpmPeak Tq. - 202 ft/lbs @ 4000 rpm

Availability/Cost: High/MidParts Availability/Cost: High/MidDifficulty of installation: Low-Med

Parts Required:

- Motorset- Transmission or bellhousing and KA transmission- Wiring harness (hybrid KA/SR - splicing required) and ECU- Heater hoses for re-route

Procedure:

- See Article

- More Info

SR20DE-T S14 "Notchtop"

General:

- From 1994-1998 S14 Silvia (VTC variable valve timing)- 1998cc displacement, 86mm bore x 86mm stroke- Aluminum block and head- DOHC 16 valve hydraulic lifter configuration- CR 8.5:1- Weight: ~ 490 lbs.

Peak HP - 217 @ 6000 rpmPeak Tq. - 202 ft/lbs @ 4800 rpm

Availability/Cost: Mid/Mid-HighParts Availability/Cost: High/MidDifficulty of installation: Med

Parts Required:

- Motorset- Transmission or bellhousing and KA transmission- Wiring harness (hybrid KA/SR - splicing required) and ECU- Heater hoses for re-route

Procedure:

- See Article

- More Info

SR20DE-T S15

General:

- From 1999-2001 S15 Silvia- 1998cc displacement, 86mm bore x 86mm stroke- Aluminum block and head- DOHC16 valve hydraulic lifter configuration- CR 8.5:1- Weight: ~ 490 lbs.

Peak HP - 247 @ 6400 rpmPeak Tq. - 202 ft/lbs @ 4800 rpm

Availability/Cost: Low/Mid-HighParts Availability/Cost: High/MidDifficulty of installation: Med-High

Parts Required:

- Motorset- Transmission (5- or 6- speed available)- Wiring harness (hybrid KA/SR - splicing required) and ECU- Driveshaft (if using 6-speed transmission)- Heater hoses for re-route

Procedure:

- See Article

- More Info

RB20DE-T and RB25DE-T

General:

- From HR31, R32, R33 and R34 Skyline, C33 Laurel, A31 Cefiro, and Stagea- 1998/2498cc displacement, 78mm bore x 69.7mm stroke/86mm bore x 71.7mm stroke- Cast iron block and aluminum head- DOHC 24 valve solid lifter configuration- CR 8.5:1- Weight: ~ 670-800 lbs

Peak HP - 210 @ 6400 rpm/245 @ 5600rpmPeak Tq. - ???

Availability/Cost: Mid/Mid-HighParts Availability/Cost: Low-Mid/Mid-HighDifficulty of install: Med-High

Parts Required:

- Motorset- Transmission or bellhousing and KA transmission- Wiring harness (hybrid) and ECU- Engine and transmission mounts (custom)- Driveshaft (custom)

Procedure:

- See Article

- More Info

RB26DE-TT

General:

- From R32, R33, R34 Skyline and Autech-tuned Stagea 260RS - 2568cc displacement, 86mm bore x 73.7mm stroke- Cast iron block and aluminum head- DOHC 24 valve solid lifter configuration- CR: 8.5:1- Weight: 750-800lbs (w/o awd transmission)

Peak HP - 276 @ 6800 rpm (actually closer to 320-330hp)Peak Tq. - 260 ft/lbs @ 4600 rpm

Availability/Cost: Low/HighParts Availability/Cost: Low/HighDifficulty of installation: High

Parts Required:

- Motorset- Transmission (RB25 transmission can be used with minor modification; extensive modification required for AWD transmission)- Wiring harness (hybrid) and ECU- Engine and Transmission mounts (custom)- Driveshaft (custom)

Procedure:

See Article

More Info

VG30DE/VG30DE-TT

General:

- From 1990-1996 300zx (USDM), 1989-2000 Fairlady Z (JDM)- 2960cc displacement, 87mm bore x 83mm stroke- Cast iron block and aluminum head- DOHC 24 valve solid lifter configuration- CR: 8.5:1- Weight:

Peak HP - 227 @ 6400 rpm / 300 @ 6400 rpmPeak Tq. - 198 ft/lbs @ 4800 rpm / 283 @ 3600 rpm

Availability/Cost: Mid-Low/MidParts Availability/Cost: High/Mid-HighDifficulty of installation: Med-High

Parts Required:

- Motorset- Transmission- Wiring harness (hybrid) and ECU- Driveshaft- Engine and transmission mounts

Procedure:

See Article

More Info

VQ35DE, VQ35HR

General:

- From 2002 - current 350z and 2003 - current G35- 3498cc displacement, 95.5mm bore x 81.4mm stroke- Aluminum block and head- DOHC 24 valve configuration- CR: 10.3:1- Weight:

Peak HP - 240-301@ 6,200 rpmPeak Tq. - 246-287 ft. lbs. @ 4,800 rpm

Availability/Cost: Low-Mid, HighParts Availability/Cost: Mid-High, Mid-HighDifficulty of Installation: Med-High

Parts Required:

- Motorset- Transmission- Harness and ECU- Mounts (custom)