Subaru FA20/FA20DIT 2.0L Engine: Specs, Problems, Reliability

Subaru FA20/FA20DIT 2.0L Engine: Specs, Problems, Reliability. The brand-new Subaru 2.0-liter engine FA20 was cultivated for the joint job of Subaru and also Toyota (4U-GSE). Subaru FA20 engine use is actually the Subaru BRZ version – light and also sporty sports car. Toyota 4U-GSE engine is actually set up in the Toyota 86 as well as the Successor FR-S.

Subaru FA20 FA20DIT 2.0L Engine Specs

The FB20 cyndrical tube block was actually taken as the basis. The bottom of the engine was completely redeveloped. It has a new crankshaft, attaching poles and pistons. The designers created unbiased engine, which means, what the FA20 possesses an identical birthed and movement dimensions, offering a bore/stroke value of exactly 1:1. Also, the compression proportion is actually more than the FB20, and it is 12.5:1. The FA20 possesses light weight aluminum DOHC cylinder scalps with four valves every cylinder.

Subaru FA20/FA20DIT 2.0L Engine: Specs, Problems, Reliability

Moves geared up along with variable valve time unit (Subaru AVCS) on intake as well as exhaust camshafts. There are actually some Toyota innovations within this engine such as direct energy shot system Toyota D4S. The exhaust unit features steel 4-2-1 exhaust manifold. This naturally aspirated engine name is the FA20D. It made 200 hp at 7000 revoltions per minute and also 151 lb-ft, as well as it is exceptional varieties for a non-turbo 2.0-liter engine.

FA20 Engine problems and Stability

  • Harsh idling, trembles at low revoltions per minute. That is actually an issue with the firmware of the ECU. It could be taken care of through updating or even refilling the Engine Management Unit’s firmware.
  • The trouble with a camshaft equipment, which results in a loss of oil tension.
    The engine requires higher costs gasoline (98 octane number) and is exacting to a top quality of the engine oil.

Modifications

FA20DIT (and also FA20F, FA20E). It is a turbocharged model of the FA20 which pertained to change the aged EJ205 and also EJ207 engines. These variations possess lower squeezing proportion aluminum pistons (10.6:1), redeveloped heads, which gives more air movement and optimized combustion chambers. Super engines got camshafts with brand new specs as well as plastic consumption manifold along with TGV shutoffs inside. The FA20 DIT possesses Double Scroll turbocharger Garrett MGT2259S, which produces pressure 1.1 bar (1.5 pub in over-boost setting) and creates 272 hp at 5600 rpm and also 258 lb-ft of twist.

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Subaru FA20/FA20DIT 2.0L Engine: Specs

Manufacturer Gunma Oizumi Plant
Production years 2012-present day
Cylinder block material Aluminum
Cylinder head material Aluminum
Fuel type Gasoline
Fuel system Fuel injection
Configuration Flat-4 (Boxer)
Number of cylinders 4
Valves per cylinder 4
Valvetrain layout DOHC
Bore, mm 86.0
Stroke, mm 86.0
Displacement, cc 1998
Type of internal combustion engine Four-stroke, naturally aspirated
Compression Ratio 12.5
10.6 – turbo versions
Power, hp 200 hp (149 kW)/7,000
253 hp (189 kW)/5,600
272 hp (203 kW)/5,600
300 hp (224 kW)/5,600
Torque, lb ft 151 lb-ft (205 Nm)/ 6,400-6,600
258 lb-ft (350 Nm)/ 2,000-4,800
258 lb-ft (350 Nm)/ 2,000-5,200
295 lb-ft (400 Nm)/ 2,000-4,800
Engine weight 377 lbs (171kg)
Firing order 1-2 3-4
Engine oil weight 0W-20, 5W-20
5W-30, 5W-40 (FA20DIT)
Engine oil capacity, liter 6.3
5.1 (FA20DIT)
Oil change interval, mile 9,000 (15,000 km) or 12 month
Applications Subaru BRZ, Subaru Forester, Subaru Legacy, Subaru WRX, Toyota 86, Scion FR-S
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