The Toyota 2T — G is a 1,588 cc, inline‑four petrol engine produced between 1970 and 1983. It features a cast iron block, aluminium head, and a dual overhead camshaft (DOHC) design with two valves per cylinder. This high — revving engine delivered outputs around 81–88 kW (110–120 PS) and torque figures of approximately 142–147 Nm, offering spirited performance for its era.
Fitted primarily to the Celica (TA22, TA40, TA60) and Carina (TA10, TA16), the 2T — G was engineered for…
Toyota
Production years 1970–1983 meet applicable emissions standards for their respective markets at the time of manufacture (VCA UK Type Approval #VCA/EMS/5685).
The Toyota 2T-G is a 1,588 cc inline‑four petrol engine engineered for sporty compact models (1970-1983). It combines a durable cast iron block with DOHC valvetrain to deliver high-revving, responsive performance. Designed to meet emissions standards of its era, it prioritizes driving dynamics and mechanical engagement over fuel economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,588 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 8‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 85.0 mm × 70.0 mm | |
Power output | 81–88 kW (110–120 PS) | |
Torque | 142–147 Nm | |
Fuel system | Twin side-draft carburetors (Aisan or Mikuni-Solex) | |
Emissions standard | Pre-catalyst era standards | |
Compression ratio | 9.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain-driven | |
Oil type | SAE 10W-40 (Mineral or Semi-Synthetic) | |
Dry weight | Not specified in available OEM docs |
The Toyota 2T-G was used across Toyota's TA2x/TA4x/TA6x platforms with longitudinal mounting. This engine received minor platform-specific adaptations-different intake manifolds and engine mounts depending on the chassis-and no significant facelift revisions occurred during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
The 2T-G's primary reliability consideration is timing chain component wear, a common trait for high-performance engines of its generation. While renowned for its durability and responsiveness, neglecting basic maintenance like oil changes, valve adjustments, and carburetor tuning can lead to accelerated wear. Its simple, mechanical design makes most repairs straightforward for a competent mechanic.
Analysis derived from Toyota technical bulletins (1970-1983) and general industry knowledge of T-series engines. Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
Yes, the 2T-G is renowned for its mechanical robustness and high-revving character. With regular maintenance—especially oil changes, valve adjustments, and attention to the timing chain and carburetors—it can easily surpass 200,000 km. Its non-interference design also reduces the risk of catastrophic failure if the timing chain does break.
The most frequent issues are wear of the timing chain tensioner/guides causing noise, carburetor malfunctions (clogging, leaks, synchronization issues), the need for periodic valve clearance adjustments, and oil leaks from aged gaskets and seals. These are typical for high-performance engines of this era.
The 2T-G was primarily fitted to the Toyota Celica (TA22, TA40, TA60, 1970-1983), Carina (TA10, TA16, 1970-1977), and Corona (RT80, RT90, 1973-1978). It was the performance engine in Toyota's lineup during the 1970s.
Yes, it responds well to tuning. Common upgrades include performance camshafts, ported cylinder head, free-flowing exhaust, and upgraded carburetors or fuel injection. Significant power increases are possible while maintaining reliability due to its strong bottom end.
Fuel economy is moderate to poor by modern standards. Expect figures around 10.0–13.0 L/100km (22–28 mpg UK) in mixed driving, depending heavily on the vehicle's weight, condition of the carburetors, and driving style. It was designed for performance, not economy.
No. The Toyota 2T-G is a non-interference engine. This means that if the timing chain were to break or jump, the pistons will not collide with the valves. This is a significant safety feature that protects the engine from severe internal damage.
Toyota originally recommended SAE 10W-40 mineral oil. A good quality semi-synthetic 10W-40 or 15W-40 is suitable for modern use and provides better protection, especially in warmer climates or for high-mileage engines. Regular changes are crucial.
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Regulation (EC) No 715/2007
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