It replaced the 289 early in the 1968 model year. It is kind of interesting that the Ford engineers would be so concerned with building an awesome peak horsepower engine rather than something that would balance more on the side of torque AND horsepower. When I’ve gone to the parts store to get new plugs, they’ve always tried to give me the smaller 14mm plugs. I use to have a 1970 302 in my Ford Ranger. Built for thrill-seekers and their gear, the 2020 F-150 pickup truck gives you room to roam. None more coveted than the hydraulic roller tappet engines first used in 1985 GT Mustangs. (Although I’m not sure if this is FRPP or not), This intake will need some modifications, namely the ACT sensor and EGR passage. Max Brake Horsepower: 141 1975-1976 with 2 Barrel Carb 1. Emission regulations caused a progressive reduction in compression ratio for the 302 two-barrel, to 9.0:1 in 1972, reducing SAE gross horsepower to 210 hp (157 kW). The engine was introduced on April 17, 1969. From the 1978 car model year, the 302 became more commonly known as the 5.0 Liter, although its metric displacement is 4,942 cc (4.9 L; 301.6 cu in). About 8,600 Boss 302 engines were built. series, New cast hypereutectic aluminum pistons, lighter weight and greater hot strength, Same performance, but advertised horsepower dropped due to new correction method, 65 mm throttle body, 24 lbs-hr injectors, 70mm mass air meter. The 302 returned in 1982 as the 5.0 High Output, manual-transmission equipped Mustangs and Mercury Capris were first equipped with two-barrel carburetors (1982), then a four-barrel Holley carburetor (1983–85). Wikipedia's Ford 335 engine article indicates these 2 blocks are nearly identical, too. The 1970 Ford Mustang Boss 302 measures 74.10 inches in width, The 1970 Ford Mustang Boss 302 measures 189.50 inches in length, and has a wheelbase of 108.00 inches. How many horsepower (hp) does a 2010 Ford Mustang 5 Boss 302 have? One thing to know about the Cobra upper manifolds is, it DOES NOT have any coolant lines, this intake has the EGR piece molded into it, which does not have water jackets. These engines offer the greatest performance potential of all the 5.0 H.O. Ford Factory 5.0 Performance Cylinder Heads. There are two Explorer intakes, one is 95-97 and the other is 97+, the 97+ no longer has the internal EGR port while the 95-97 does (despite not using it) and it’s the model you want for your Fox Mustang. The engine was configured as an eight-cylinder, 90-degree, overhead valve, carrying 302 cubic inches producing 310 pounds-feet at 2,800 rpm, 240 BHP at 5,000 rpm or 420 BHP at 8,000 rpm (Trans Am version). Ford switched to the smaller base spark plug in 1977 with the appearance of the D8OE heads. The first incarnation of the 5 litre or 5.0 brought some more subtle changes to the now dated 302, namely some subtle cylinder head and valve-train changes. thin wall 302 block, with old-style 2-piece rear main bearing seal, Reciprocating assembly changed to utilize 50 oz.-in. Boss Model. In mid-1997, the Explorer and Mountaineer 5.0 L heads were revised and renamed GT40P. The block was fitted with revised, taller lifter bosses to accept roller lifters, and a steel camshaft in 1985, and electronic sequential fuel injection was introduced in 1986. Newly offered in a “drop-it-in-and-go” package for an easy installation into your Ford Mustang, Ford Falcon, or classic Ford truck. Most people know the 302 more commonly as the 5.0 liter engine mostly due to the fact that 5.0 emblems were placed on Mustangs starting in the early 80s. The engine, however, was not very popular due to the fact that it put out only 315 horsepower which was of course much weaker than engines like the Ford 427 and the Ford 428. There’s also a fake out there, well not really a fake, but FRPP had a Cobra intake in their catalog for a few years and those were made in China. While sequential injection was used on the Mustang beginning in 1986, many other vehicles, including trucks, continued to use a batch-fire fuel injection system. Ford may have used the “5.0” moniker to distinguish the 302 from their 300 cu in (4.9 L) inline six, which was known as the 4.9. Optional was a four-barrel version rated at 230 hp (172 kW) at 4,800 rpm. Emission standards and fuel economy were more important than power back then and the engines … Stroke: 3.0. The only externally visible clue was the use of an open-runner intake manifold with a stamped-steel lifter valley cover attached to its underside, reminiscent of previous-generation V8 engines. The large plug (left) has a 13/16 hex 18mm thread, and the smaller plug (right) has a 5/8 hex and 14mm thread. Always torque bolts in three equal increments. After a very disappointing 1968 racing season Ford designed a new engine specifically for F.I.A. Ford 289 & 302 v8 engine accuspark 8mm red carbon. It was optional in Fox-chassis cars including the Mustang and corporate cousin Mercury Capri, Thunderbird, Fairmont, and standard equipment in the Ford LTD. Engine Facts © 2020. incorporating “squared bores” for better oil control. 266′ duration, .444 valve lift. Verify your engine specs with a service manual for your year and model. A direct swap, it has all the standard EGR and ACT provisions, no drilling or tapping. The Ford 302 engine is the most iconic engine ever built by Ford and we took it to the next level. The same manifold was used in MAF applications, with the addition of the MAF sensor in the air intake tube. Introduction of the 55 mm Mass Airflow fuel injection system. 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