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Discussion Starter · #1 · (Edited)
Post/Discuss anything 4U-GSE/FA20 related in this thread.

A little information on the Subaru BRZ 4U-GSE Engine:

4U

Appearing in the Toyota 86 (also known as the Toyota GT 86 in Europe, Scion FR-S in the USA and Subaru BRZ), the 4U-GSE is a boxer type engine with 4 cylinders and a bore and stroke of 86mm. It features direct and port injection systems, with a maximum power rating of 149 kW (200 hp) at 7,000 RPM and a maximum torque rating of 205 N·m (151 lb·ft) at 6,600RPM.

Manufacturer: Toyota
Production: 2011-present
Configuration: flat-4
Displacement: 1,998 cc (122 cu in)
Cylinder bore: 86 mm (3.386 in)
Piston stroke: 86 mm (3.386 in)
Power output: 149 kW (200 hp)
Torque output: 205 N·m (151 lb·ft)
 

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I heard the 4U-GZSE engine will be the supercharged or turbocharged version of the 4U-GSE engine to go in the Subaru BRZ STi, is this true?
 

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I heard the 4U-GZSE engine will be the supercharged or turbocharged version of the 4U-GSE engine to go in the Subaru BRZ STi, is this true?
The "Z" means Supercharged.

This might help you and other understand Toyota's engine code system better:


- The first numeric characters specify the engine block's generation
- The next one or two letters specify the engine family
- The suffix (separated by a dash) specifies the features of the engine:

A: Valvematic variable lift intake head

B: Twin SU-style side-draft carburetors
After 2000 indicates E85 Ethanol fuel.[citation needed]

C: Carburated / California Emissions Controlled

D: Twin Downdraft carburetors

E: Electronic Fuel injection

F: Economy narrow-angle valve DOHC

G: Performance wide-angle valve DOHC

H: High compression
High pressure charged (example: 2L-THE)

I: Single-point fuel injection

J: Autochoke (Early models) or unknown pollution control

L: Transverse

M: Philippines' market (meaning unknown)

N: CNG fuel

P: LPG fuel

R: Low Compression (For 87 and below octane fuel)

S: Swirl intake (1980s)

SE: D-4 Gasoline Direct Injection (1990s)

T: Turbocharged

U: With Catalytic converter Japan-spec emissions

V: Common Rail Diesel Injection (D-4D)

X: Atkinson cycle (typically also indicates a Hybrid engine, as Toyota only uses the Atkinson cycle with hybrids)

Z: Supercharged
 
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