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Meade F. Moore led the engineering team responsible for designing AMC's first V8 engine.
Answer: True
Meade F. Moore, as Vice-President of Automotive Research and Engineering, directed the design and development of AMC's inaugural V8 engine, achieving production in under 18 months.
The second generation (Gen-2) AMC V8 engines, introduced in 1966, were heavier than the first-generation engines due to their larger displacement.
Answer: False
The second-generation (Gen-2) AMC V8 engines, introduced in 1966, utilized 'thin-wall' casting technology, resulting in a lighter weight of approximately 540 pounds (245 kg), making them lighter than their first-generation predecessors.
Based on the provided information, what were the two principal generations of AMC-designed Overhead Valve (OHV) V8 engines?
Answer: First generation (1956-1967) and Second generation (1966-1969)
The source delineates the AMC V8 engine history into distinct generations. The first generation spanned from 1956 to 1967, followed by the second generation, which commenced in 1966 and concluded in 1969, preceding the introduction of the third generation in 1970.
Compared to the Gen-1 AMC V8, the Gen-2 AMC V8 was physically closer in size to which type of engine?
Answer: U.S.-made small-block V8s
Although sharing the same bore center measurement as the Gen-1 V8, the Gen-2 AMC V8 was physically dimensioned more closely to contemporary U.S.-made small-block V8 engines, contrasting with the Gen-1's larger, big-block-like proportions.
American Motors Corporation (AMC) exclusively utilized its own V8 engines in all its vehicles commencing from 1955.
Answer: False
AMC exclusively utilized its own V8 engines from 1956 onwards. Prior to that, in 1955, AMC vehicles were equipped with V8 engines sourced from Packard.
The initial displacement of AMC's first in-house V8 engine, introduced in 1956, was 327 cubic inches.
Answer: False
The initial displacement of AMC's first in-house V8 engine, introduced in 1956, was 250 cubic inches (4.1 L). The 327 cubic inch (5.4 L) variant was introduced the following year, in 1957.
First-generation AMC V8 engines were characterized by their exceptionally lightweight design, weighing approximately 600 pounds.
Answer: True
The first-generation AMC V8 engines were indeed noted for their relatively light construction, with an approximate dry weight of 600 pounds (270 kg).
For all first-generation AMC V8 engines, the stroke length remained constant at 3.25 inches, with displacement determined by bore size.
Answer: True
The displacement of the first-generation AMC V8 engines was determined by varying the cylinder bore size, while the stroke length was consistently maintained at 3.25 inches (82.6 mm) across all variants.
Identification numbers for the specific displacement of first-generation AMC V8 engines were cast onto the engine's oil pan.
Answer: False
Identification numbers indicating the bore size, and thus displacement, for first-generation AMC V8 engines were cast onto the top of the engine block's flywheel housing, situated behind the right bank cylinder head.
The 250 cubic inch AMC V8 engine was primarily offered as an option in AMC's larger, full-size sedan models throughout its production.
Answer: False
The 250 cubic inch AMC V8 engine debuted in the 1956 Nash Ambassador and Hudson Hornet 'Specials' and was later offered as an option in the 1957 Rambler, not exclusively in larger sedan models.
All AMC 327 V8 engines produced before 1960 featured a low compression ratio suitable for regular fuel.
Answer: False
All AMC 327 V8 engines produced prior to 1960 were high-compression variants. The low-compression versions, suitable for regular fuel, were introduced starting in 1960.
Before developing its own V8 engines, which manufacturer supplied V8 engines for AMC vehicles in 1955?
Answer: Packard
In 1955, prior to the introduction of its own V8 engine, American Motors Corporation (AMC) sourced V8 engines from Packard for its Nash Ambassador and Hudson Hornet models.
What was the initial displacement of AMC's first in-house V8 engine introduced in 1956?
Answer: 250 cubic inches (4.1 L)
AMC's first independently designed V8 engine, debuting in 1956, had a displacement of 250 cubic inches (4.1 L). A larger 327 cubic inch variant followed in 1957.
What was the approximate dry weight of the first-generation AMC V8 engines?
Answer: Approximately 600 pounds (270 kg)
The first-generation AMC V8 engines were noted for their relatively light construction, with an approximate dry weight of 600 pounds (270 kg).
How was engine displacement primarily determined for the different models within the first-generation AMC V8 series?
Answer: By the cylinder bore size, with a constant stroke.
Engine displacement for the first-generation AMC V8 models was determined by the cylinder bore size, with the stroke length remaining constant at 3.25 inches (82.6 mm) across all variants.
Which of the following was NOT an alternative name sometimes used for the first-generation AMC V8 engine series?
Answer: AMC 250
While the 250 cubic inch engine was part of the first-generation AMC V8 series, it was not typically referred to as an alternative name for the entire series. 'Rambler V8' and 'Nash V8' were common alternative designations.
What was the primary reason cited for the introduction of the 287 cubic inch AMC V8 engine in mid-1963?
Answer: Dealers reportedly complained about the lack of V8 options.
The introduction of the 287 cubic inch (4.7 L) V8 engine in mid-1963 was reportedly prompted by dealer feedback indicating a demand for more V8 engine options within the product line.
What was the main difference between the low-compression and high-compression versions of the AMC 327 V8 starting in 1960?
Answer: The low-compression version used a two-barrel carburetor, while the high-compression used a four-barrel.
Beginning in 1960, the AMC 327 V8 was offered in low- and high-compression variants. The low-compression models were equipped with a two-barrel carburetor, whereas the high-compression models utilized a four-barrel carburetor.
The second generation (Gen-2) AMC V8 engine family included displacements of 250, 287, and 327 cubic inches.
Answer: False
The second-generation (Gen-2) AMC V8 engine family comprised displacements of 290, 343, and 390 cubic inches. The 250, 287, and 327 cubic inch engines belonged to the first generation.
The AMX 390 cubic inch Gen-2 V8 engine, produced in 1968 and 1969, featured cast iron crankshafts and connecting rods for durability.
Answer: False
The AMX 390 cubic inch Gen-2 V8 engine was designed for performance and featured forged steel crankshafts and connecting rods, not cast iron components, to enhance its durability and strength.
The 390 cubic inch Gen-2 AMC V8 engine had a bore of 4.08 inches and a stroke of 3.28 inches.
Answer: False
The 390 cubic inch (6.4 L) Gen-2 AMC V8 engine featured a bore of 4.165 inches (105.8 mm) and a stroke of 3.574 inches (90.8 mm). The bore of 4.08 inches belonged to the 343 cubic inch engine.
The introduction of the second generation (Gen-2) AMC V8 engine in 1966 was marked by which new displacement?
Answer: 290 cubic inches (4.8 L)
The second generation (Gen-2) AMC V8 engine family debuted in 1966 with a new displacement of 290 cubic inches (4.8 L), introduced in the 'Rogue' model.
How did the Gen-2 AMC V8 engines achieve their different displacements (290, 343, 390)?
Answer: Through various bore and stroke combinations using the same basic block design.
The different displacements within the Gen-2 AMC V8 engine family (290, 343, and 390 cubic inches) were achieved by employing various bore and stroke combinations while utilizing a common basic block design and external measurements.
What performance-oriented internal components were featured in the AMX 390 cubic inch Gen-2 V8 engine?
Answer: Forged steel crankshaft and connecting rods
The AMX 390 cubic inch Gen-2 V8 engine was equipped with forged steel crankshafts and connecting rods, contributing to its enhanced strength and durability for performance applications.
The third generation (Gen-3) AMC V8 engines introduced in 1970 featured a decreased deck height compared to Gen-2 engines.
Answer: False
The third generation (Gen-3) AMC V8 engines, introduced in 1970, featured an increased deck height compared to the Gen-2 engines, along with other significant design modifications.
The AMC 304 cubic inch Gen-3 V8 engine and the AMC 360 cubic inch Gen-3 V8 engine, both introduced in 1970, share the same stroke length of 3.44 inches.
Answer: True
Both the AMC 304 cubic inch (5.0 L) and the AMC 360 cubic inch (5.9 L) Gen-3 V8 engines, introduced in 1970, share a common stroke length of 3.44 inches (87.4 mm).
The AMC 401 cubic inch Gen-3 V8 engine, introduced in 1971, had a smaller bore diameter than the AMC 360 cubic inch Gen-3 V8 engine.
Answer: False
The AMC 401 cubic inch (6.6 L) Gen-3 V8 engine, introduced in 1971, featured a larger bore diameter (4.165 inches) than the AMC 360 cubic inch (5.9 L) Gen-3 V8 engine (4.08 inches).
The 'Service Replacement' block was a specialized design based on the 304 casting, intended only for replacement in 304 engines.
Answer: False
The 'Service Replacement' block was a versatile design based on the 401 casting, but with a 360 bore, allowing it to be configured for any Gen-2 or Gen-3 AMC V8 from 343 to 401 cubic inches, not solely for 304 engines.
The AMC 360 cubic inch V8 was the final AMC V8 engine design manufactured, continuing production until 1991 in the Jeep Grand Wagoneer.
Answer: True
The AMC 360 cubic inch (5.9 L) V8 engine represents the final iteration of AMC's V8 design lineage. Following AMC's acquisition by Chrysler, production continued until 1991, primarily for use in the Jeep Grand Wagoneer.
The introduction of the third generation (Gen-3) AMC V8 engine in 1970 included which significant change to the block structure?
Answer: An increased deck height
A significant structural modification in the third generation (Gen-3) AMC V8 engines, introduced in 1970, was an increase in the deck height of the engine block compared to previous generations.
The AMC 304 cubic inch Gen-3 V8 engine, introduced in 1970, had which stroke length?
Answer: 3.44 inches (87.4 mm)
The AMC 304 cubic inch (5.0 L) Gen-3 V8 engine, introduced in 1970, featured a stroke length of 3.44 inches (87.4 mm).
What change in casting identification occurred on the last AMC 360 V8 engines produced for the Jeep Grand Wagoneer?
Answer: The casting changed from "360" to "5.9L".
On the final AMC 360 V8 engines produced for the Jeep Grand Wagoneer, the block casting identification was updated from '360' to '5.9L', reflecting a shift towards metric displacement labeling.
The pioneering 'Electrojector' electronic fuel injection system was first implemented on the AMC 250 cubic inch V8 engine in 1956.
Answer: False
The 'Electrojector' electronic fuel injection system was first implemented on the AMC 327 cubic inch V8 engine in 1957, not on the 250 cubic inch engine in 1956.
The Bendix 'Electrojector' system faced significant reliability issues, leading to most AMC EFI vehicles being converted to carburetors before sale.
Answer: True
The 'Electrojector' system suffered from early electronic limitations, particularly concerning cold-start performance. These issues were substantial enough that many vehicles equipped with the system were reportedly converted to conventional carburetors before being delivered to customers.
The 'rectangle port' cylinder head design was used exclusively on the 390 cubic inch Gen-2 AMC V8 engine.
Answer: False
The 'rectangle port' cylinder head design was utilized on Gen-2 AMC V8 engines from 1966 to 1969. While the 390 engine featured these heads, the 343 cubic inch engine also used them, with the 290 engine having smaller valves.
The 'dog-leg' cylinder heads in Gen-3 AMC V8 engines were primarily designed to improve intake airflow efficiency.
Answer: False
The 'dog-leg' cylinder heads in Gen-3 AMC V8 engines were primarily designed to enhance exhaust flow efficiency by increasing port area and smoothing gas flow into the manifolds, rather than improving intake airflow.
Which pioneering electronic fuel injection system was featured on the 1957 AMC 327 V8 engine?
Answer: Bendix Electrojector
The 1957 AMC 327 V8 engine was equipped with the Bendix 'Electrojector,' an early and pioneering electronic fuel injection system.
How did the oiling system in the Gen-1 AMC V8 contribute to preventing sludge buildup?
Answer: It featured a deep-skirted block creating a rigid crankcase gallery with directional oil flow.
The Gen-1 AMC V8's deep-skirted block design created a rigid crankcase gallery with directional oil flow. This system was engineered to prevent stagnant oil areas and minimize sludge deposits by ensuring consistent lubrication pathways.
The 'rectangle port' cylinder heads used in early Gen-2 AMC V8 engines (1966-1969) were named for the shape of their:
Answer: Exhaust ports
The 'rectangle port' designation for the cylinder heads used in early Gen-2 AMC V8 engines (1966-1969) refers specifically to the shape of their exhaust ports.
How did the 'dog-leg' cylinder heads introduced in Gen-3 AMC V8 engines improve performance?
Answer: By improving exhaust flow through a larger port area and smoother design.
The 'dog-leg' design of the Gen-3 AMC V8 cylinder heads enhanced performance primarily by improving exhaust flow. This was achieved through an enlarged port area and a smoother port floor, which reduced turbulence and facilitated quicker expulsion of exhaust gases.
Why were the center intake bolts relocated on the cylinder heads of Gen-3 AMC V8 engines?
Answer: To prevent accidental mix-ups with Gen-2 intake manifolds.
The relocation of the center intake bolts on the cylinder heads of Gen-3 AMC V8 engines served as a design measure to prevent inadvertent installation of incompatible Gen-2 intake manifolds, thereby ensuring proper assembly.
The AMC V8 engine was first offered with electronic fuel injection (EFI) in which year?
Answer: 1957
The AMC V8 engine was first equipped with electronic fuel injection (EFI) in 1957, specifically utilizing the Bendix 'Electrojector' system on the 327 cubic inch model.
The AMC 327 V8 engine shares a common design origin with the Chevrolet 327 V8 engine.
Answer: False
The AMC 327 V8 engine is not related by design origin to the Chevrolet 327 V8 engine. The AMC version was introduced in 1957, whereas the Chevrolet 327 debuted approximately five years later in 1962.
The 1957 Rambler Rebel, equipped with the AMC 327 V8, is recognized as an early American 'muscle car'.
Answer: True
The 1957 Rambler Rebel, featuring the AMC 327 V8 engine, is indeed considered an early example of an American 'muscle car' due to its performance orientation.
Kaiser-Jeep utilized AMC's 327 V8 engine, branding it the 'Vigilante', prior to AMC's acquisition of Jeep.
Answer: True
Prior to AMC's acquisition of Jeep, Kaiser-Jeep sourced the AMC 327 V8 engine for its Wagoneer SUV and Gladiator pickup truck, marketing it as the 'Vigilante' V8.
The industry-wide shift from SAE Gross to SAE Net horsepower ratings occurred around 1972, resulting in lower reported power figures.
Answer: True
The transition from SAE Gross to SAE Net horsepower ratings, which became standard around 1972, led to a decrease in reported power figures as the latter method accounted for standard engine accessories and exhaust systems.
International Harvester vehicles utilized both the AMC 304 and the AMC 401 cubic inch V8 engines.
Answer: True
International Harvester vehicles were equipped with the AMC 304 cubic inch V8 engine. Furthermore, the AMC 401 cubic inch V8 was supplied to International Harvester from late 1973 through 1974 for their Light Line trucks and Travelalls.
The 'Indy 209' engine was a naturally aspirated V8 designed for endurance racing applications.
Answer: False
The 'Indy 209' engine was a turbocharged, 209 cubic inch (3.4 L) two-valve V8 based on the AMC Gen-2 block, developed for Indy car racing, not for endurance applications, and it produced significantly high horsepower figures.
The AMC 360 cubic inch V8 was the standard engine for the 1974 Bricklin SV-1 sports car.
Answer: True
The AMC 360 cubic inch (5.9 L) V8 engine served as the standard powerplant for the 1974 model year of the Bricklin SV-1 sports car.
AMC V8 engines were generally considered less durable than comparable engines from other domestic automakers, particularly in high-performance scenarios.
Answer: False
AMC V8 engines, particularly later generations with robust internal components like forged steel crankshafts and connecting rods, were often considered reliable and durable, frequently outperforming comparable engines from other domestic manufacturers in terms of connecting rod durability in high-performance applications.
The 'Go Package' offered by AMC was a performance enhancement option typically including a four-barrel carburetor and dual exhaust.
Answer: True
The 'Go Package' was indeed a performance enhancement option provided by AMC, commonly featuring upgrades such as a four-barrel carburetor and dual exhaust systems to boost engine output.
The AMC 327 V8 engine was distinct from the Chevrolet 327 V8 primarily because:
Answer: It was introduced five years earlier and was not related in design.
The AMC 327 V8 engine debuted in 1957, predating the Chevrolet 327 V8 by approximately five years. The two engines were developed independently and are not related in design.
The AMC 327 V8 engine was supplied to Kaiser-Jeep for use in which vehicles under the name 'Vigilante V8'?
Answer: Jeep Wagoneer SUV and Gladiator pickup truck
The AMC 327 V8 engine was supplied to Kaiser-Jeep for installation in the Jeep Wagoneer SUV and the Gladiator pickup truck, where it was designated as the 'Vigilante' V8.
Which AMC V8 engines were marketed as 'Fireball' engines by the Gray Marine Motor Company for marine applications?
Answer: The 250 and 327 cubic inch engines
The 250 and 327 cubic inch AMC V8 engines were adapted for marine use and marketed as 'Fireball' engines by the Gray Marine Motor Company, beginning in 1958.
What is the primary difference between SAE Gross and SAE Net horsepower ratings?
Answer: SAE Net measures power with accessories and exhaust systems, SAE Gross without.
SAE Gross horsepower ratings measured peak engine output without accessories or exhaust systems. In contrast, SAE Net ratings account for all factory-installed accessories and emission control systems, providing a more realistic representation of actual engine power delivery.
Which AMC V8 engine was supplied to International Harvester from late 1973 through 1974, designated as 'V-400'?
Answer: AMC 401 cubic inch
The AMC 401 cubic inch (6.6 L) V8 engine was supplied to International Harvester from late 1973 through 1974 for their Light Line vehicles, where it was designated as the 'V-400'.
Which AMC V8 engine was the standard powerplant for the 1974 Bricklin SV-1 sports car?
Answer: AMC 360
The 1974 Bricklin SV-1 sports car was equipped with the AMC 360 cubic inch (5.9 L) V8 engine as its standard powerplant.
According to the source, AMC V8 engines often outperformed comparable engines from other domestic automakers in terms of:
Answer: Connecting rod durability
AMC V8 engines, particularly in their more robust configurations, were noted for their superior connecting rod durability when compared to engines from other domestic manufacturers, especially in demanding, high-performance applications.