Mazda OHV engine
Template:More citations needed Template:Infobox automobile engine After an early flirtation with V-twin engines, Mazda's small cars of the 1960s were powered by OHV straight-2 and straight-4 engines. This family lasted from 1961 until the mid-1970s. Today, Mazda's keicars use Suzuki engines. It was produced at the Hiroshima Plant in Hiroshima, Japan.
The engine was a two-stroke, water-cooled straight-twin engine used in the Mazda Chantez and Mazda Porter kei car and truck unique to Japan from 1972 until 1976. The displacement is Template:Cvt, producing Template:Cvt and Template:Cvt of torque.<ref>Template:Cite web</ref>
Template:Anchor DA/DB
The Template:Convert water-cooled OHV straight-four DA engine, used in the 1962 P360 Carol had a tiny Template:Convert bore and stroke. This was one of the smallest production four-cylinder automobile engines in history, only beaten by Honda's Template:Convert inline-four unit used in the T360 truck. The engine's small size was dictated by Japan's kei car rules which offered special status to vehicles with engines displacing less than Template:Convert. Mazda's tiny OHV was the only four-cylinder in the class in the 1960s, but was outperformed by 2-stroke and I3 powerplants from other companies.
When fitted to the B360/Porter light truck and van, the engine received the DB engine code.<ref name=Catvol15>Template:Cite journal</ref>
RA
The Template:Convert RA engine was a larger version of the Template:Convert engine Template:Cvt. It was used in the 1962-1964 P600 Carol and produced Template:Cvt and Template:Convert of torque.
SA
The SA, a larger Template:Convert engine powered the 1963-1967 Mazda Familia and the 1966 Mazda Bongo. Bore and stroke was Template:Cvt for this water-cooled OHV engine. In the Familia, the SA produces Template:Convert at 6,000 rpm, while the Bongo received a detuned version with Template:Convert at 5,000 rpm.<ref name="Trucks18-72">Template:Cite book</ref> For 1966 and 1967, the max power of the SA mounted in the Familia increased to Template:Convert (at the same engine speed), by increasing the compression ratio from 8.5:1 to 9.0:1.<ref name=toymuseum>Template:Cite journal</ref>
PB
The Template:Convert PB engine, a separate development, used a square Template:Convert bore and stroke. It was a water-cooled OHV engine and first powered the 1967 Mazda Familia 1000. Output ranged from Template:Cvt, depending on the application.
- Jan 1967 - Feb 1968 Mazda Familia 1000 Sedan, Van (Mazda 1000)
- Nov 1967 - 1973 Mazda Familia 1000 (Mazda 1000)
TB
One of the more-popular variants of this family was the Template:Convert TB unit found in the Familia/1200. Bore and stroke was Template:Cvt. The 1200 Coupé used a Hitachi/Stromberg carburettor and 8.6:1 compression to produce Template:Cvt at 6000 rpm and Template:Convert at 3000 rpm.<ref>Template:Cite book</ref> This engine was built from 1968 until 1970 for passenger cars, until 1971 for the Familia Truck.
UA/UB
The UA (and the similar UB, for use in three-wheeled trucks) is a 1484 cc water-cooled overhead valve inline-four engine. It has a bore of Template:Convert and a stroke of Template:Convert. As installed in the original 1960 D1500 four-wheel truck, equipped with a sidedraft carburetor, it has a maximum horsepower of Template:Cvt at 4600 rpm and a maximum torque of Template:Convert at 3000 rpm. The B1500's output remained the same but for the second generation B1500 an improved engine cylinder head and valves and a downdraft carburetor increased the maximum horsepower to Template:Cvt at 5200 rpm and a maximum torque of Template:Convert at 3400 rpm.
UA:
- March 1960 – 1965: Template:Ill (DUA12)
- 1961-1965: Mazda B1500 (BUA/BUB)
- 1965-1971: Mazda B1500/Proceed (BUD61)
- 1965-1977: Template:Ill DUD9/DUE9
UB:
- 1962-1971: Template:Ill
VA
The VA first appeared in the Mazda D2000 of April 1962. With a bore and stroke of Template:Convert, displacement is Template:Convert. Power output was originally Template:Cvt at 4600 rpm,<ref name="trucks.2">Ozeki, p. 150</ref> but later models have Template:Cvt at 5000 rpm.<ref name=Catvol20>Template:Cite journal</ref>
- April 1962 - 1964 Mazda D2000, D2000 Microbus (DVA12)<ref name="Trucks18-72"/>
- 1964 - 1973 Mazda Light Bus (AEVA)<ref name="Trucks18-72"/>
- January 1964 - 1971 Mazda E2000 (EVA12/32)<ref name="Trucks18-72"/>
- Mazda Parkway 18 (EVK15)
- 1971 - 197? Mazda Titan (EVB12)<ref name=Catvol20/>
- 1973 - 197? Mazda Parkway 26 (AEVB)
See also
References
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