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SUPERCHARGER REGULATOR
The Holley SUPERCHARGER REGULATOR (SR) is a supplemental fuel pressure regulator
designed to increase the fuel pressure on supercharged engines during boost conditions.
Supercharger Regulator is used on supercharged engines as a method to maintain a safe air-fuel
ratio during boost without the need for larger injectors or ECU recalibration. It is designed to work in
conjunction with the stock regulator. The stock regulator controls fuel system pressure when the
manifold vacuum is present. When boost occurs, the SR increases fuel pressures as the manifold
boost increases
.
NOTE: You, the installer, must read completely through these installation instructions
BEFORE you begin installation and carefully follow the instructions. Failure to do so
may result in product/system and/or engine failure.
P/N 512-505
A
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Summary of Contents for Holley P/N 512-505
- Page 1 SUPERCHARGER REGULATOR The Holley SUPERCHARGER REGULATOR (SR) is a supplemental fuel pressure regulator designed to increase the fuel pressure on supercharged engines during boost conditions. Supercharger Regulator is used on supercharged engines as a method to maintain a safe air-fuel ratio during boost without the need for larger injectors or ECU recalibration.
- Page 2 INTRODUCTION Holley Performance Products has written this manual for the installation of the Supercharger Regulator. This manual contains all the information needed to install this product. Please read all the WARNINGS, NOTES, and TIPS, as they contain valuable information that can save you time and money. It is our intent to provide the best possible products for our customer;...
- Page 3 TUNING THE SYSTEM The Holley Supercharger Regulator (SR) comes with one additional pair of plates that changes the fuel pressure/boost pressure curve. The SR comes with a baseline setup, which contains no plates. The baseline setup will provide a larger increase in fuel pressure as boost increases.
- Page 4 PLATE INSTALLATION To install the plates, remove the six 5/32 allen-head screws from the regulator. Carefully remove the top cover, and put the first plate under the diaphragm, as indicated in Figure 3. Install the second plate on top of the diaphragm, as shown in Figure 4. A very small amount of RTV silicon should be put around the top, outer edge of the top plate.
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