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TorqueCars power gain calculator (NASP engines)

"Absolute Power corrupts Absolutely"

Please note that this calculator is only an indication of relative gains because the specific parts used, and condition of car will vary dramatically and affect any expected gains. 

It was intended to show the investment of time and money with regard to your expected power gains.

This calculator does not take into account the condition or age of a car. It 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 and are based on average bhp increase percentages from our data.

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

This is a NASP engine calculator for TURBO engines click here

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

Please use the feedback form below to help us make this more accurate, tell us your make model and the a rolling road power readings!!! The feedback we've received so far has proved invaluable.

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.

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5 Responses to “Engine mod bhp increase 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?

  4. Stephen says:

    Very Good Base Calculator, Should Have An Option On Increase Of Power Per 1mm/.040″ Oversizes On Bores And Strokes 🙂

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