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TorqueCars power gain calculator (NASP engines)

"Absolute Power corrupts Absolutely"

Please note that this calculator cannot be more than 80% accurate for every make and model as parts and condition of car will vary dramatically any expected gains. 

It does not take into account the age of a car and is representative of a typical hot hatch and is intended for fun use only no claims or quotes can be verified as accurate for your car.

Generally the more boxes you tick the less accurate the calculator will be (2 -4 boxes should be fairly accurate).

This is for NASP engines if you have a TURBO charged engine click here

Click here if you want to calculate your 1/4 mile times from the bhp.

Please use the feedback form at the bottom to tell us what you actually got on a rolling road, which car it was & which mods you did - this helps us to make this more accurate for everyone!!!

If you liked this page please share it with your friends, drop a link to it in your favourite forum or use the bookmarking options to save it to your social media profile. Improve your MPG Quarter mile time calculator Top 10 performance mods Ricer or Racer

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4 Responses to “Engine modification bhp Calculator”

  1. jason says:

    hey lads i have a mitsubishi mirage mivec i was wondering wat bhp has increased with the following extras after its 175bhp standard does the following give major bhp increase piggy back ecu,hks induction kit,air feed jasma exhaust system, D series apexi rsm controller, turbo timer and also 15inch lightweight oz racing alloys

  2. Harry says:

    I have a mk5 vw golf 1.6 fsi. The power calculator on site said that with a turbo added (car has not turbo currently)the bhp will go from 115 to almost 150 !! So I am ver keen to fit said turbo.

    Is there anyone out there who can tell me what cheap turbos are suitable for my car ???

  3. Frank burjan says:

    vectra 3.2

    395nm max with exhaust and 100 cell cat on dyno

    I think about 435nm now with extractors.

    How many extra kilowatts or nm can I expect wioth a pipercross induction kit?

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