High-performance gains without the guess-work

HPCalculator

Wheel Horsepower Calculator


6250





Sea Level

70

5.5




Built Bottom End Performance has what you need to take your build to the next level, from parts & tools to calculators & learning resources. Try the horsepower calculator and see what your build is capable of

  • We have a constantly growing selection of parts and tools to elevate your Endeavors without breaking the budget.

    AN fittings, v-bands, LS parts, and tools are a few of the offerings available now, with more in the works.

  • Want to know how much wheel horsepower your engine will make? What effect changing pistons will have on compression ratio? Our suite of calculators takes the guess-work out of making big power.

    A sample of the wheel horsepower calculator is available here to get familiar with

  • Engineering is the fuel behind the Built Bottom End Performance fire. Tap into our resources and knowledge to make your ideas happen. Schedule a free consultation to see what we can do for you

Featured Videos

Turbocharge your style

What is Built Bottom End Endavors?

  • Turbocharged applications are our passion. We help you take your build to the next level with high quality performance parts & tools and YouTube videos along the way.

    We also provide robust engineering services to make your ideas happen.

  • Built Bottom End Endeavors is run by real engineers with years of experience blending a love of cars and engineering.

    1. Check out our parts on Amazon

    2. Watch our videos on YouTube

    3. Try out our horsepower calculator

  • Our years of experience in engineering and love of cars means we know what’s important. We offer high quality parts that don’t break the bank.

Built Bottom End Endeavors gives you the parts and tools to go faster.

Check out our Endeavors

Built Bottom End Endeavors is working on several projects, or “Endeavors” as we like to call them. From compound turbo diesels to dedicated drag cars, we’ve got them covered.

  • Find out more about the dedicated drag car, Eddie.

  • Find out more about the turbo Miata, Mutt.

  • Find out more about the compound turbo Duramax, Jeff.