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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.
Note: this is commonly called the Ford Small-block V8 pattern, though it is used in some "big block"-sized V8's as well as some V6's and I6's. 200 I6 1978-1983 only, partial (4 of 6 bolts) pattern. 250 I6 (except Australian 250/4.1) 255 V8; 289 V8 - (made after August 3, 1964) - had 6 bolts holding bellhousing to block; 302 Cleveland (Australia)
1970 Ford Torino with 429 Super Cobra Jet, showing shaker scoop and intake. The Super Cobra Jet (429SCJ) was fitted with a Holley 780 cu ft/min (22 m 3 /min) Vac-Secondaries square-bore 4-bbl carburetor, larger mechanical camshaft, a four-bolt main block, forged pistons, single valve relief, [4] forged rods, and Brinell tested cast iron crankshaft.
The 428-4V Cobra-Jet was the most potent engine available for 1968, and is general believed to be under-rated at 335 hp (250 kW). [5] The cars equipped with the 428 Cobra Jets had emblems borrowed from the full-sized Fords (a red-and-chrome badge reading "428") mounted on the fenders behind the parking lamps.
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.
Engine choices began with the 250 cubic inch I6 and ran to several V8 choices, including the standard 289 with two-barrel carburetor, and the FE-based 390. The powerful 428 cu in (7.0 L) Cobra Jet, another FE derivative and the largest engine offered in the Ranchero to date, was a mid-1968 option. The 1968 model marked the final year of ...
The 390 four-barrel was supplanted mid-year as the top performance engine by the 428 cu in (7.0 L) Cobra Jet, developing 335 bhp (250 kW). There was also a 428 cu in (7.0 L) Super Cobra Jet. For 1969, the Fairlane 500 , Ranchero, and Torino GT/GTA were also offered with the new 351W CID with a two-barrel producing 250 HP and only in the Torino ...
All production Talladegas were actually equipped with the new 428 Cobra Jet, which, while very powerful and reliable, was intended as a street engine for Ford's muscle cars, as it developed high torque at low RPMs, rather than being a high-revving race engine.