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Some visitors have commented that the hp and torque figures in the charts below apparently do not conform to the formula HP = [TQ X RPM]/5252 There are at least two commonly used hp and torque measurements made by sophisticated dynamometers: inertial and steady state. Often components will show improvements in terms of one versus another. For example, a lightweight flywheel, ceteris paribus (all other things being the same), will likely show an improvement in inertial measurements but not steady state. The engine that Ed tested was going straight into a race car and like most teams he would not release actual hp and torque charts of the engine. The hp and torque data seen are a combination of results from inertial and steady state measurements; the oil and coolant temperature readings are explicitly from steady state readings. In this way the changes in performance strictly from the addition of the windage tray and scraper assembly can be seen but the proprietary underlying ultimate performance of the engine is still masked from casual inspection. |
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