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429 Ford Thunderjet The 1968 Thunderbird saw the introduction of the new 385 series big-block "Thunder Jet" 4V (4 barrel carburetor) 429 cu in (7.0 L) V8 engines . Like many Ford engines of the time, they were conservatively rated at 360 hp (268 kW) (SAE gross).
The smallest-displacement engine of the 385 engine family, the 370 was introduced in 1977, replacing the 361 cu in (5.9 L) 360 Truck (FT) V8. Sharing its 3.59-inch stroke with the 429, the 370 was designed with a downsized 4.05-inch bore (shared with its predecessor and the 390 V8).
The first was the 429 Thunder Jet, the standard engine for the Cobra, rated at 360 hp (270 kW). Next was the 429 CJ (Cobra Jet), rated at 370 hp (276 kW), which included a 2-bolt main block, hydraulic lifters, a 700 CFM Holley or 715 CFM Rochester Quadrajet carburetor, and was available with or without Ram Air. The top option was the 429 SCJ ...
The 428 Super Cobra Jet (also known as the 428SCJ) used the same top end, pistons, cylinder heads, camshaft, valve train, induction system, exhaust manifolds, and engine block as the 428 Cobra Jet. However, the crankshaft and connecting rods were strengthened and associated balancing altered for drag racing.
The Mustang's engine compartment was not wide enough to accommodate the massive Boss 429 engine, so Ford contracted with Kar Kraft of Dearborn, Michigan, to modify 4-speed Cobra Jet Mustangs to accept it. Kar Kraft was a Ford exclusive experimental facility that functioned as Vehicle Engineering for Ford's Special Vehicles.
The 430 was replaced by the 462 cu in (7.6 L; 7,565 cc) engine in 1966. Bore and stroke were entirely different at 4.38 and 3.83 inches (111.3 and 97.3 mm) and the 462 MEL engine produced 340 hp (254 kW) and as much as 485 lb⋅ft (658 N⋅m) of torque. This engine was fitted with hydraulic lifters and a four-barrel Carter AFB carburetor.
The first production P-59A with a Bell P-63 Kingcobra behind. The 13 service test YP-59As had a more powerful engine than their predecessor, the General Electric J31, but the performance improvement was negligible, with top speed increased by only 5 mph and a reduction in the time they could be used before an overhaul was needed.
Data from International Directory of Civil Aircraft, [75] Bell 412EP Product Specifications [76] General characteristics. Crew: one-two pilots; Capacity: up to 13 passengers, maximum external load of almost 6,614 lb (3,000 kg) [5] Length: 56 ft 1 in (17.09 m) including rotors; Fuselage length: 43 ft (13 m) Height: 15 ft 0 in (4.57 m)