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It featured a smaller bore of 3 + 3 ⁄ 4 in (95.3 mm) coupled with the same 3 in (76.2 mm) stroke of the 301 (same bore and stroke used by Chevrolet when the first small block motor was introduced in 1955). It produced 120 hp (89 kW) After 1981, the Pontiac V8 was replaced entirely by the GM "corporate" V8's from Chevrolet and Oldsmobile.
The 267 was introduced in 1979 for the GM F-body (Camaro), G-body (Chevrolet Monte Carlo, El Camino), A-body (Malibu Classic, 1979–1981) and also used on GM B-body cars (Impala and Caprice models). The 4.4 L; 267.8 cu in (4,389 cc) engine had the 350's crankshaft stroke of 3.48 in (88.4 mm) and the smallest bore of any small-block, 3.5 in (88 ...
However, the C4's performance was hampered by its L98 250 hp (186 kW) engine until 1992, [7] when the second-generation Chevy small block, the 300 hp (224 kW) LT1, was introduced, markedly improving the C4's performance. 1996 was a high point of small block engines development and the 330 hp (246 kW) LT4 was introduced in all six-speed manual ...
The new urethane bumper assembly added thirty-five pounds to the front end. [10] Two 350 cu in (5.7 L) small block engines were available. The base L48 engine produced 190 hp (142 kW). The L82 was introduced as the optional high performance small-block engine (replacing the LT1 engine) and delivered 250 hp (186 kW).
[13] [14] Due to the engine's potential advantage in specific impulse, if this F-1B configuration (using four F-1Bs in total) were integrated with the SLS Block 2, the vehicle could deliver 150 tonnes (330,000 lb) to low Earth orbit, [15] while 130 tonnes (290,000 lb) is what is regarded as achievable with the planned solid boosters combined ...
The pressure is also affected over a wide area, in a pattern of non-uniform pressure called a pressure field. When an airfoil produces lift, there is a diffuse region of low pressure above the airfoil, and usually a diffuse region of high pressure below, as illustrated by the isobars (curves of constant pressure) in the drawing.
The density of the compacted powder increases with the amount of pressure applied. Typical pressures range from 80 psi to 1000 psi (0.5 MPa to 7 MPa), pressures from 1000 psi to 1,000,000 psi have been obtained. Pressure of 10 t/in 2 to 50 t/in 2 (150 MPa to 700 MPa) are commonly used for metal powder compaction. To attain the same compression ...
The first diphtheria vaccines were produced in 1914 from a mixture of diphtheria toxin and antitoxin (produced from the serum of an inoculated animal), but the safety of the inoculation was marginal and it was not widely used. The United States recorded 206,000 cases of diphtheria in 1921, resulting in 15,520 deaths.