---
title: Useful
url: 'https://invent-labs.com/en/useful'
markdown: 'https://invent-labs.com/en/useful.md'
lang: en
date: '2026-09-21'
description: 'Articles Installation of 60-2 crankshaft position sensor on Audi AAN/ABF engine BMW E46 2.8 Turbo M52TU Spark plugs Bosch/Denso/NGK/Champion heat range chart Injectors Injector size calulator Bosch injectors data archive Other injectors data archive Intake Intake piping size calculator Cylinder Cyl…'
---

# Articles

[Installation of 60-2 crankshaft position sensor on Audi AAN/ABF engine](https://invent-labs.com/en/useful/articles/aan_60_2)
[BMW E46 2.8 Turbo M52TU](https://invent-labs.com/en/useful/articles/e46turbo/)

# Spark plugs

[Bosch/Denso/NGK/Champion heat range chart](https://invent-labs.com/en/useful/sparkplugs/)

# Injectors

[Injector size calulator](https://invent-labs.com/en/useful/injectors/)
[Bosch injectors data archive](https://invent-labs.com/en/useful/injectors/bosch_injector_data.zip)
[Other injectors data archive](https://invent-labs.com/en/useful/injectors/injectors.zip)

# Intake

[Intake piping size calculator](https://invent-labs.com/en/useful/piping/)

# Cylinder

[Cylinder compression ratio calculator](https://invent-labs.com/en/useful/cr/)

# Simulation

[Play with PID algorithm](https://invent-labs.com/en/useful/pid/)

---

## Navigation

- Previous: [Invent Jetronic](https://invent-labs.com/en/jetronic.md)
- Next: [Forum](https://invent-labs.com/en/forum.md)
- Children:
  - [Cr](https://invent-labs.com/en/useful/cr.md)
  - [Injectors](https://invent-labs.com/en/useful/injectors.md)
  - [PID Playground](https://invent-labs.com/en/useful/pid.md)
  - [Piping](https://invent-labs.com/en/useful/piping.md)
  - [Sparkplugs](https://invent-labs.com/en/useful/sparkplugs.md)