Английская Википедия:GMC V8 engine
Шаблон:More references Шаблон:Infobox automobile engine GMC has both shared engine designs and architectures with other General Motors divisions as well as having a history of developing and using its own unique engines and powertrains such as for instance its line of their straight-6 and V8 engines.
GMC engines
GMC's own V8 was the Шаблон:Convert 60 degree gasoline engine based on the big block Шаблон:Convert V6 (with two cylinders added). Bore was a massive 5.125” and stroke 3.86” for 637 cid. Power was listed as 275 HP @ 2800 rpm; torque 600 lbs.ft. @ 1600 rpm. Production started for 1967 and went through 1972.[1]
Non-GMC engines
Pontiac
Prior to developing its own engines, smaller GMC's used the Pontiac V8 engine. They used the Pontiac Шаблон:Convert engine for 1955 and Шаблон:Convert engine in 1956, but advertised the engines as the "GMC 288" and "GMC 316". They used Pontiac's Шаблон:Convert in 1957. For 1958, GMC reduced the bore of Pontiac's Шаблон:Convert to Шаблон:Convert, resulting in a displacement of Шаблон:Convert. In Canada. For 1959, as the Pontiac engine's stroke was lengthened to Шаблон:Convert, a further bore reduction to Шаблон:Convert was done to keep the displacement at approx. Шаблон:Convert (336.7).
Oldsmobile
Starting in 1955, for the larger trucks, the Oldsmobile Rocket V8 was available. In 1955 and 1956, it was Шаблон:Convert. Power listed for 1956 was 210 HP @ 4200 rpm; torque was 305 lbs.ft. @ 2400 rpm. For the 1957 through 1959 model years, it was upped in bore and stroke and called the 370. Power listed as 232 HP @ 4200 rpm and torque as 355 lbs.ft. @ 2600 rpm. [2] Ref Motor’s Truck Repair Manuals various years.
Chevrolet Small-Block
From 1955 through 2003, GMC shared Chevrolet's small-block V8. This came in 265, 283, 305, 327, 350, and 400 cu in (4.3, 4.6, 5.0, 5.3, 5.7, and 6.6 L) sizes.
Chevrolet Big-Block
GMC also shared Chevrolet's big-block V8 from 1968 through 2007 The company used the 366, 396, 402, 427, 454, 496, and 502 (6.0, 6.5, 6.6, 7.0,7.4, 8.1, and 8.2 L) versions.
GM Corporate Gen-III & Gen-IV V8 Engines
Beginning in 1999, GMC began offering GM's third-generation "small-block" V8 engine in various models. Through the years, engines have been offered in 4.8, 5.3, 6.0, and 6.2-litre displacements. [3]
Duramax engines
Beginning in 2001, GMC offered the same turbocharged diesel Duramax V8 engines as were available in similar Chevrolet trucks. The engine family was co-developed by GM Powertrain and Isuzu, and has gone through numerous iterations through the years. Duramax engines are paired with a heavy-duty automatic transmission from GM's Allison division. [4]
See also
- Chevrolet small-block engine
- Chevrolet big-block engine
- LS based GM small-block engine
- Duramax V8 engine
- Buick V8 engine
- Cadillac V8 engine
- Oldsmobile V8 engine
- Pontiac V8 engine
- Holden V8 engine
- GMC straight-6 engine
- GMC V6 engine
- List of GM engines
References
- ↑ Шаблон:Cite web
- ↑ A History of GMC Trucks, James K Wagner
- ↑ LS based GM small-block engine
- ↑ Duramax V8 engine
