![]() For state specific details please visit the following website. Some Weistec Engineering performance upgrades may solely be used on vehicles in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions (such as a CARB E.O.). This policy only applies to installers and/or users who are in the United States, customers who reside in other countries should act in accordance with their local laws and regulations. Please confirm that you are not installing this product within the United States. Depending on the engine, this could mean forged internals, built transmission, upgraded fuel system, 110+ octane race fuel, etc. Supporting modifications – The highest power levels require supporting modifications. Properly maintained engines will have better performance than abused or neglected engines. Heat, high humidity, and thin air will all work towards reducing engine outputĮngine Health – Higher miles tends to result in increased build up and lower compression which can and will impact engine output. Weather/Conditions – Temperature, humidity, altitude, and air density all impact engine performance. Wheel/tire size and weight will also impact chassis dyno results This results in lower numbers when testing on a chassis dyno. Top tier brand premium fuels should always be used to achieve the best results possible.ĭrivetrain – All wheel drive has higher drivetrain losses than rear wheel drive. Low quality and/or low octane fuel will greatly impact engine output and potentially even engine health. The engines remain largely unaltered and as a result, final tuned output remains the same, while the gains are lower as the starting point is now higher.įuel – Fuel quality is HIGHLY important with performance vehicles. Model Year – Similar to above, as time progresses, Manufacturers tend to slightly increase power output via software from one year to the next or offer “Performance Packages” with increased power. Naturally the C63 will show more gains as it starts at a lower level. Both have the same engine, but the C63 has 451hp while the CLK63 has 500hp. Model – Manufacturers use the same engine in multiple model vehicles and often times they are in a different state of tune, for example: 2008 C63 and a 2008 CLK Black Series. Actual gains are dependent on the following: Learn More about Crank HP Vs Wheel HP Weight: 24.4 kg.Advertised gains are estimates of HP and Torque “at the engine” calculated from gains as measured on a Dynojet Dynamometer in ideal conditions and typically show the largest possible change. The Optima battery is charged when the terminal voltage is 12.83 V for starter batteries and 13.8V for permanent batteries. When charging with high current (20A and more), a significant reduction in charging time must be taken into account. However, if the voltage drops below 12.3 V, the battery must be charged with a voltage of 14.2-14.5 V. ![]() Charging Optima batteries: The Optima battery has very little self-discharge. The battery is sealed by laser welding with a cover containing spark-proof pressure relief valves. ![]() The elements are connected by intermediate bridges, one of which acts as a fuse in the event of a short circuit. Each element consists of a tightly compressed + and – plate with an electrolyte-impregnated glass fibre separator between them. 114/5000 The Optima battery consists of 6 jars made of impact-resistant plastic with spiral elements. Optima battery is based on SPIRACELL TECHNOLOGY spiral technology – a registered trademark. The factory in Colorado Optima batteries for 3 different applications. The requirement was a small, high starting current, leakage and vibration resistant power supply. The Optima battery was developed by Denver Gates Rubber Company engineers in the early 1970s on behalf of NASA as part of a space program. The starter and permanent battery are specially designed for watercraft. ![]()
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