MAP 4th Stage Retard REVA

By: Miguel Angel Tapia | 03/21/1999 < Back to Blog Home
This diagram illustrates how to use the MAP connector on a 7531 as a 4th stage of retard through a relay. This is usually activated with nitrous solenoids or through a delay box. The diagram also provides a screen shot of how the software is programmed to retard timing.
 X  2020 Hemi Engine Sweepstakes