+971 4 346 3100 info@car-codeperformance.com
Description
Our Stage 2 kit is a bigger, better version of our Stage 1 kit for some of the more extreme applications. This is a complete plug-and-play kit to support 650whp and also allow for full E85 up to 500whp (these numbers can vary quite a bit depending on tuning strategy, fuel type, etc.). There’s no cutting, no bending, no crimping, etc. This kit drops right in with full control from the DME, just like the OEM pump. All of the safety and sophistication of the stock DME remain in place.
N55 HPFP Flow Capacities
The table below serves as a reference for maximum fuel flow in cubic centimeters per camshaft revolution for various N55 fuel pump options. These calculations are based on the stock N55 cam lobe unless otherwise noted (Lift Kit).
| Pump Model | Fuel Flow (cc/rev) | Fuel Flow w/ Dorch Lift Kit (cc/rev) |
|---|---|---|
| HDP5 (Stock N55) | 0.837 | NOT COMPATIBLE |
| HDP5 Evo (Stock B58) | 0.897 | NOT COMPATIBLE |
| HDP6 (Stock B58TU) | 1.107 | NOT COMPATIBLE |
| Dorch Engineering Stage 1 | 1.221 | 1.818 |
| Dorch Engineering Stage 2 | 1.465 | 2.181 |
NOTE: When combined with our N55 Lift Kit, this pump is capable of 900whp on E10 and 750whp on E85!
Software changes are required to run this pump. If using MHD or Bootmod3, simply check the box for our pump upgrade when flashing. Otherwise, please send your .BIN file to tuning@dorchengineering.com for the appropriate software changes. This change is free of charge for all of our customers.
Kit Contents:
- Dorch Lifetime Warranty
- HPFP w/ Hardware
- High Pressure Line
- Low Pressure Line
- Low Pressure Line Bracket
- Plug-n-Play Adapter Harness
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