Mazda MZR engine
From Wikipedia, the free encyclopedia
The MZR is Mazda's latest Straight-4 gasoline powered engine. The MZR family features a special long intake manifold for added torque, S-VT continuous variable valve timing, and a stainless steel 4:1 exhaust header.
The DISI turbocharged MZR was on the Ward's 10 Best Engines list for 2006, 2007 and 2008.
Contents |
[edit] 1.4
The 1.4 L (1349 cc) version has a 74.0 mm (2.9 in) bore and 78.4 mm (3.1 in) stroke.
Applications:
- Mazda Demio/Mazda2
- Mazda Mazda3
[edit] 1.5
The 1.5 L (1498 cc) version has a 78.0 mm (3.1 in) bore and shares the 1.4's 78.4 mm (3.1 in) stroke.
Applications:
[edit] 1.6
The 1.6 L (1598 cc) version shares the 78.0 mm (3.1 in) bore of the 1.5 but uses a longer 83.6 mm (3.3 in) stroke.
Applications:
- Mazda Mazda3
[edit] 1.8
The 1.8 L (1798 cc) MZR uses an 83.0 mm (3.3 in) bore and 83.1 mm (3.3 in) stroke. Ford Power Products sells this engine as the DHE-418.
Applications:
- Mazda6 for Europe
- Mazda MX-5 for Europe
- 2005 Mazda Premacy/Mazda 5
[edit] 2.0
The 2.0 L (1999 cc) version has 10.0:1 Compression Ratio, an 87.5 mm (3.4 in) bore and shares the 83.1 mm (3.3 in) stroke of the 1.8. Ford Power Products sells this engine as the DHE-420.
Applications:
- Mazda Axela/Mazda3 for Asia, Latin America and Europe
- Mazda6 for Europe
- 2005Mazda Premacy/Mazda 5
- 2006– Mazda MX-5
[edit] 2.3
The 2.3 L (2261 cc) MZR uses the same 87.5 mm (3.4 in) bore as the 2.0 but with a long 94 mm (3.7 in) stroke. Ford Power Products sells this engine as the DHE-423.
Applications:
[edit] 2.3 DISI Turbo
A turbocharged version of the 2.3 with direct injection spark ignition, or "DISI" is also produced.
Applications:
- 2006– Mazdaspeed 6/Atenza MPS
- 2007– Mazda CX-7
- 2007– Mazdaspeed 3/Axela MPS/Mazda3 MPS
- 2008– Mazdaspeed 3
[edit] 2.5 DISI
New for the 2009 model year, the 2.5L DISI is an upgraded naturally aspirated 2.3L featuring direct injection spark ignition, or "DISI". It is expected to produce at least 168 bhp (125 kW) and yield approximately 34 mpg in combined conditions (based on the 2007 European Mazda6 2.5 petrol engine specifications). The 2.5 L (2488 cc) DISI uses a 89 mm (3.5 in) bore and a 100 mm (3.94 in) stroke, with a compression ratio of 9.7:1.
Applications:
- 2009- Mazda Axela/Mazda3
- 2009- Mazda Atenza/Mazda6
[edit] MZR-R
In late 2006, Mazda announced an agreement with Advanced Engine Research (AER) to develop the MZR-R motor for sports car racing. The engine is a 2.0 L turbocharged I4 based on the production MZR block[1]. The engine will initially be used by the Mazda factory team in the American Le Mans Series as a replacement for their R20B rotary, then later sold to customer teams.
