How can we calculate the horsepower of engine if we have displacement(cc) of engine?

Asked by Jun 04, 2008 at 10:21 AM about the 2001 Mazda B-Series Pickup B2300 SE Standard Cab SB

Question type: General

I mean I have a mazda 4000cc engine petrol, and I want to calculate its horsepower. How i can calculate it? Please help!!!

2 Answers

15

you can't work out how much power you have just from displacement. you will need to dyno test your car if you want an accurate measure.

7,515

for an accurate measure you need a dyno to calculate an estimated hp you need alot more things. IE max compression, combustion chamber displacement. ignition timing, exhaust timing, intake timing, intake and exhaust flow resistance. And then you need a mechanical engineer who knows what he's doing to help you through some god awful calculations that will still be inaccurate. Stock though I think you should be getting abouts 207 horsepower with its maximum 238 lb-ft of torque.

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