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Now the 2nd question, would the whole S14 engine an the 6-speed gearbox from the S15 fit into a S13 Chasis WITHOUT any modifications. If not, what minor modifiications need to be done to ensure a snug fit.
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*Quote from Heavy Throttle
Black-Top S14 SR20DET Silvia 95-98
Horsepower: 220hp at 6000rpm
Torque: 203 ft/lbs at 4800rpm
Turbo specs:
Compressor: T-28, 60 trim 60 mm BCI-1 compressor in T-04B housing
Turbine: T-25, 62 trim 53.8mm 0.64 A/R turbine housing.
Center Section: Ball Bearing
Variable valve timing system and a different turbo are the significant changes from the S13 SR20DET engines. S14 uses 'low port' intake design vs. S13 'high port' design.
Performance:
The stock turbo will be safe to 13-15 psi. After that, the turbo is past its efficiency range, and power increases will fall off and are not worth the risk of turbo damage. The engine should produce 250-260 RWHP at safe boost.
Required Parts for the install:
Engine, transmission, alternator, starter, power steering pump, Crank Angle Sensor, ECU, harness, MAFS, Power Transistor / Ignitor Chip.
Fitment:
Fits into US 240SX S13 chassis with no modifications. Uses the US 240SX of the host chassis driveshaft and differential. Uses the standard downpipe and catalytic converter with the 240SX catback exhaust.
Fits into US 240SX S14 chassis with no modifications.
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Black-Top S15 SR20DET Silvia 99-Current
Horsepower: 250hp at 6000rpm Transmission: 6 Speed, Close Ratio
Injector size: 480cc/min
Turbo specs:
Compressor: T-28, 60 trim 60 mm BCI-1 compressor in T-04B housing
Turbine: Inco turbine wheel. Cast divider wall between turbine discharge and wastegate.
Center Section: Ball Bearing
Additions: 6 speed manual transmission. The 6 speed cannot be used on the S13 and S14 motors, and uses a different driveshaft. Speed sensor is located in the differential.
Performance:
The stock turbo will be safe to 15-18 psi. After that, the turbo is past its efficiency range, and power increases will fall off and are not worth the risk of turbo damage. The engine should produce close to 300 RWHP at safe boost.
Required Parts for the install:
Engine, transmission, alternator, starter, power steering pump, Crank Angle Sensor, ECU, harness, MAFS, Power transistor is built into each coil. S15 differential and Driveshaft.
Fitment:
The engine and transmission will fit into 95-98 S14 US 240SX chassis with minor modifications to the transmission mounts. The differential is needed as the speed sensor is located there.
The S13 chassis requires more work. The driveshaft has different mounting location from the S14 / S15 chassis. Custom work must be done.
This engine is expensive and hard to get. If you are on a tight budget, please consider other options. We CAN NOT separate the transmission from the engine to use in a different swap
Linear Mode
