1. [Engine Power Calculator](https://www.superchevy.com/news/1808-engine-horsepower-calculator/) by Super Chevy Magazine: This online tool allows you to input specific engine details, including the camshaft specifications you mentioned (488/510 lift, 300/310 duration), along with other relevant information such as engine displacement, compression ratio, and fuel type. It provides an estimated horsepower and torque output based on these parameters.
2. [Summit Racing Engine Horsepower Calculator](https://www.summitracing.com/main/parts/search?Ntt=engine%20horsepower%20calculator): Summit Racing's engine horsepower calculator is another useful resource. It offers a detailed form where you can enter various engine specifications, including camshaft details, cylinder head flow data, and induction system specifics. The calculator provides an estimate of the potential horsepower and torque output based on the information provided.
3. [Edelbrock Engine Power Calculator](https://www.edelbrock.com/automotive/power/power-calculator/): Edelbrock's engine power calculator focuses on combinations using Edelbrock performance parts. While it may not be as comprehensive as the previous options, it still offers a useful way to estimate horsepower based on camshaft specifications, engine displacement, and other relevant parameters.
4. [Comp Cams Engine Horsepower Calculator](https://www.compcams.com/Technical/Calculators/Engine-Horsepower-Calculator): Comp Cams also provides an engine horsepower calculator on their website. It includes input fields for various camshaft parameters, including the lift and duration you specified. By entering additional details like engine displacement, compression ratio, and induction system, you can obtain an estimated horsepower output.
It's important to note that these calculators provide estimates based on mathematical models and assumptions. Actual performance and horsepower may vary depending on factors like tuning, other engine components, and environmental conditions. Consulting with a professional engine builder or performance shop can provide more accurate estimates and guidance for your specific setup.
