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The firing order has been changed from that shared by all previous Modular V8s (1-3-7-2-6-5-4-8) to that of the Ford Flathead V8 (1-5-4-8-6-3-7-2). [17] Compression ratio is 11.0:1, and despite having port fuel injection (as opposed to direct injection ) the engine can still be run on 87 octane gasoline.
The firing order of older big-block engines is 1-8-4-3-6-5-7-2 [62] while Vortec 8100's firing order is 1-8-7-2-6-5-4-3. Other upgrades of Vortec 8100 include a new 18-bolt head bolt pattern, longer connecting rods, different symmetrical intake ports, different oil pan rails, and the use of metric threads throughout the engine.
Wards 10 Best Engines is an annual list of the ten "best" automobile engines available in the U.S. market, that are selected by Wards AutoWorld magazine. The list was started in 1994 for model year 1995, and has been drawn every year since then, published at the end of the preceding year.
In the 1950s, Ford introduced a three-tier approach to engines, with small, mid-sized, and larger engines aimed at different markets. All of Ford's mainstream V8 engines were replaced by the overhead cam Modular family in the 1990s and the company introduced a new large architecture, the Boss family, for 2010.
Finally superseded by the GM Generation III LS in 1997 and discontinued in 2003, the engine is still made by a General Motors subsidiary in Springfield, MO as a crate engine for replacement and hot rodding purposes. In all, over 100,000,000 small-blocks had been built in carbureted and fuel injected forms since 1955 as of November 29, 2011.
Although very much related in general configuration to the 289/302, in that the three engines share the same bellhousing, motor mounts, and other small parts, the 351W had larger main bearing caps, thicker and longer connecting rods, and a distinct firing order (1-3-7-2-6-5-4-8 versus the usual 1-5-4-2-6-3-7-8, a means to move the unacceptable ...
There was also a "Service Replacement" block made as a modified GEN-3 design. This is a 401 casting (same casting number) without the displacement cast into the side and with a 360 bore and thicker deck. In theory, this single block could be built as any 343-401 GEN-2 or GEN-3 engine.
Apprenticeship, in addition to training once hired; some mechanics may take vocational or community college courses in certain areas such as heating and air conditioning, engine and transmission maintenance, and collision repair; further education and training could lead to becoming a supervisor or manager, or with a baccalaureate or graduate degree, an automotive engineer or design specialist.
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