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indicated or gross horsepower is the theoretical capability of the engine [PLAN/ 33000]; brake/net/crankshaft horsepower (power delivered directly to and measured at the engine's crankshaft) equals indicated horsepower minus frictional losses within the engine (bearing drag, rod and crankshaft windage losses, oil film drag, etc.);
A high-performance 327 cu in (5.4 L) variant followed, turning out as much as 375 hp (280 kW) (SAE gross power, not SAE net power or the current SAE certified power values) and raising horsepower per cubic inch to 1.15 hp (0.86 kW). From 1954 to 1974, the small-block engine was known as the "Turbo-Fire" or "High Torque" V8.
Manufactured in the record-claiming specification by a manufacturer whose WMI number is shown on the VIN, including vehicles modified by either professional tuners or others that result in a VIN with a WMI number in their name (for example, if a Porsche-based car is remanufactured by RUF and has RUF's WMI W09, it is eligible; but if it has ...
In 2011, Super Chevy Magazine conducted a chassis dynamometer test of a well documented, production-line, stock but well-tuned L-72 "COPO" Camaro, and recorded a peak 287 hp (214 kW) at the rear wheels, demonstrating the substantial difference between 1960s-era SAE "gross" horsepower ratings and horsepower at the wheels on a chassis dynamometer.
A fairly definitive source on the 428cj horsepower is about 385 gross hp, backed up by numerous posts on FordFE.com and dyno tests in Jay Brown’s “The Great FE Intake Comparo” which features a nearly bone stock 428cj build. If we accept that 385 gross hp for the 428cj, we can deduce the following: a.
It is also used as a measurement of performance of a vehicle as a whole, with the engine's power output being divided by the weight (or mass) of the vehicle, to give a metric that is independent of the vehicle's size. Power-to-weight is often quoted by manufacturers at the peak value, but the actual value may vary in use and variations will ...
At its introduction it was rated at 400 hp (298 kW), SAE gross, and 550 lb⋅ft (746 N⋅m) of torque. For 1971, compression was reduced from 10.0:1 to 8.5:1, the lowered compression ratio dropped the 500's gross output from 400 bhp (298 kW) to 365 bhp (272 kW), or 235 hp (175 kW) in the new SAE net ratings. By 1976, its final year, it had ...
The 1965 4.2 XK fitted to the carburetted E-Type had a listed output of 265 hp (198 kW) SAE gross; the 1986 fuel injected 4.2 XK fitted to the series 3 XJ6 was listed at 202 hp (151 kW) DIN net. [ citation needed ] Variables such as compression ratio, cam lifts and durations, and fuel consumption rate for each engine during testing would, at a ...