Toyota RZ engine
Template:Infobox automobile engine
The Toyota RZ engine family is a straight-four piston engine series built in Japan. The RZ series uses a cast-iron engine block and aluminum SOHC or DOHC cylinder heads. It has electronic fuel injection (EFI), 2 or 4 valves per cylinder and features forged steel connecting rods.
1RZ
The 1RZ is a Template:Convert version built from 1989. Bore and stroke is Template:Convert. The original carburetted model in Japanese trim produces Template:Cvt at 5,400 rpm and maximum torque of Template:Cvt at 2,400 prm.
Applications:
- 1989–1993 Toyota HiAce
1RZ-E
The 1RZ-E is the fuel-injected version of the 1RZ. With a compression ratio of 9.0:1 and in Japanese trim, output is Template:Cvt at 5,200 rpm and maximum torque of Template:Cvt at 2,600 prm. With redline at 5,500 rpm.
Applications:
- 1989–2004 Toyota HiAce Van, Wagon
- 1998–2001 Toyota Hilux
- 2000–2004 Toyota Kijang/Revo/Venture
2RZ
The 2RZ is a Template:Convert version. Bore and stroke is Template:Convert; a variety of combination of heads and fuel delivery systems were available.
2RZ-E
This is an SOHC engine with two valves per cylinder. Valve adjustment is by shim over bucket. Output is Template:Convert at 4800 rpm with 146 lb⋅ft (198N⋅m) of torque at 2600 rpm. It does not have balance shafts and is known for vibrations.[1] Originally manufactured with a carburetor induction system, it was later upgraded to Electronic Fuel Injection, with the -E suffix added to the engine designation. Toyota specified unleaded fuel with a rating of at least 91 RON in Australia.
Applications:
- 1989–2004 Toyota HiAce (encompassing the RZH1xx series)
2RZ-FE
The 2RZ-FE, and 4RB1 or 4RB2 in China, is a Template:Convert version. Bore and stroke is Template:Convert. Compression ratio is 9.5:1. Output is Template:Convert at 5000 rpm with Template:Convert of torque at 4000 rpm. This engine does not feature balance shafts. It has four valves per cylinder and DOHC. Valve adjustment is by shim over bucket. The 2RZ-FE is an interference engine with a timing chain.[2][3] A Template:Convert version called the 4RB3 is also manufactured in China which has a bore and stroke of Template:Convert, while sharing the 2RZ's Template:Convert bore spacing.Script error: No such module "Unsubst". According to a review in 2023, there are reports of the engine typically lasting over 250,000-300,000 miles and less frequently 500,000 miles.[2]
Applications:
- 1995–2004 Toyota Tacoma 4x2[2]
- 1998–2004 Toyota Hilux[2]
- 1999-2006 ARO 24 Series
3RZ
3RZ-FE
The 3RZ-FE is a Template:Convert version. Bore and stroke is Template:Convert. Compression ratio is 9.5:1. Output is Template:Convert at 4800 rpm with Template:Convert of torque at 4000 rpm. This engine features twin, chain-driven balance shafts. It has four valves per cylinder and DOHC. Valve adjustment is by shim over bucket. The 3RZ-FE is an interference engine with a timing chain reported to last 150,000 miles.[4] The cylinder head is composed of aluminum alloy and the intake manifold is made from aluminum.[5]
Applications:[5]
- 1995–2004 Toyota Tacoma
- 1996–2000 Toyota 4Runner
- 1994–1998 Toyota T100
- 1995–2002 Granvia
- 1995–2004 Toyota Hilux
- 1990–2004 Toyota HiAce
- 2001–2009 Toyota Land Cruiser Prado (Venezuela)Script error: No such module "Unsubst".
- 1996–2004 Toyota Land Cruiser Prado
- 1998–2002 Toyota Touring Hiace