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Ford developed two high-performance street versions of the 429 between 1969 and 1971, the Cobra Jet and Super Cobra Jet. The Cobra Jet (429CJ) was fitted with a Rochester Quadrajet 715 cu ft/min (20.2 m 3 /min) Spreadbore 4-bbl carburetor, a larger camshaft; a special set of cylinder heads (DOOE-R) 73.5 CC, combustion chamber and canted valve ...
Later models came with hydraulic clutches. These were commonly found in Pintos, some Mustang II/Capris, and Rangers but do not match the V6 Bell housings. Changing the engine to a V6 often requires changing the bellhousing (Mitsubishi) but the Mazda trans had an integral bell. 2.6, 2.8, 2.9, and 2.9 Cosworth. Most of these were RWD car engines.
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 ...
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 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.
For this inline-4 engine, 1-3-4-2 could be a valid firing order. The firing order of an internal combustion engine is the sequence of ignition for the cylinders. In a spark ignition (e.g. gasoline/petrol) engine, the firing order corresponds to the order in which the spark plugs are operated. In a diesel engine, the firing order corresponds to ...
Straight-four engines (also called inline-four engines) typically use an up–down–down–up 180° crankshaft design and have the following characteristics: Firing interval is perfectly regular (although the power strokes are not overlapping). Primary and secondary reciprocating-plane imbalances are present.
A big bang engine has an unconventional firing order designed so that some of the power strokes occur simultaneously or in close succession. This is achieved by changing the ignition timing, changing or re-timing the camshaft, and sometimes in combination with a change in crankpin angle. The goal is to change the power delivery characteristics ...