DS4 to DB2 Conversion Guide

This article is out-dated and we recommend referring to our newer product instruction file for the conversion as of October 2026. It's left here for reference and technical details for those who need them.

Giving credit to the original author, we have attached the original Bobbie Martin DB2 conversion guide to this article.

This article does not consider new products that Quadstar is developing as of Q4 2026. those are documented in a separate article and cover things like not needing a stand alone transmission controller, separate glow plug control, or a turbomaster in some cases.

• Turbomaster mechanical wastegate controller

  • If using the stock turbo

• DB2 throttle cable

• DB2 injection pump

  • Various levels are available

• DB2 injector hard line set

• Pump timing wrench

• Gaskets

  • Intake manifold

  • Injection pump flange gasket

• Quadstar DB2 throttle cable installation instructions

• DB2 injection pump timing instructions

  • You do not need the referenced expensive tools to complete this task, in most cases