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The 1971 429 police interceptor was tuned similarly to the 429 Cobra Jet, with an 11.3:1 compression ratio. Featuring forged notched pistons [clarification needed] the engine was rated at 370 hp (gross). [citation needed] Applications: Ford Thunderbird (1968–1973) Ford Mustang (1969–1971) Ford Mustang Boss 429 (1969–1970)
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 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 428 cu in (7.0 L) Cobra Jet engine continued unchanged in the 1969 and 1970 model years and continued to be advertised at 335 hp (250 kW; 340 PS). If a V or W axle was ordered (3.90 or 4.30 locking ratio) on any Cobra Jet Mustang, engine improvements were added to make it more reliable on the strip.
It was the standard engine in the 1970 Mercury Marauder X-100 and was available in other full-size models. It featured a 575 CFM carburetor. 1970 Cyclone Spoiler. Two optional engines were available for the Cyclone. The 429 Cobra Jet was the 429 cu in (7,030 cc) four-barrel with dual exhaust but without the Ram Air induction.
The model line was offered with the entire range of powertrains available to Ford intermediates, ranging from a 155 hp 250 cubic-inch inline-6 to the 370 hp 429 Cobra Jet Ram Air V8. [ 29 ] For 1971, Ford adopted the Torino nameplate across its entire intermediate model line, leading to the retirement of both the Falcon and Fairlane nameplates ...
The 428 Cobra Jet was a performance version of the 428 FE. Launched in April 1968, it was built on a regular production line using a variety of cylinder heads [30] combined with a 735 CFM Holley four-barrel carburetor. The Cobra Jet used heavier connecting rods with a 13/32 rod bolt and a nodular iron crankshaft casting #1UB.
With its engine tuned to produce 425 hp (317 kW) and 420 lb⋅ft (569 N⋅m), the 5,000 pounds (2,300 kg) Blackhawk can accelerate to 60 mph (97 km/h) in 8.4 seconds with a 130 mph (209 km/h) top speed, delivering eight miles per gallon (30 L/100 km). Later Blackhawks use Pontiac's 403 and 350 V8 engines. Also Ford, Chevrolet and Cadillac ...