166. Read the description and press select.
167. The programmer will automatically save a copy of
your existing engine tune. Press select to continue.
168. Turn the ignition key to the ‘OFF’ position when
prompted, but do not remove it.
169. Turn the ignition key to the ‘ON’ position when
prompted, but do not attempt to start the car. The
programmer will automatically start saving the stock
calibration.
170. Once complete, follow the on-screen prompts
regarding key position until you are given the option to
‘Install Tune’ or ‘Modify Tune’. Choose ‘Modify Tune’ and
press select.
171. Read the disclaimer and press select.
172. Select ‘Modify Parameters’ and press select.
173. Press select to choose ‘Axle Ratio’.
174. Press select to choose ‘Axle Ratio’, again.
175. Use the directional buttons to choose the number
closest to your axle ratio (printed on the differential cover)
and press select.
176. Press select to confirm your choice.
©2011 Edelbrock LLC
Part #1580 & 1585
Brochure #63-1580
Rev. 1/11 - AJ/mc
Edelbrock 4.6L Ford Supercharger System
for 2005 and later Mustang GTs
Installation Instructions
Page 29
177. An asterisk will appear next to the ‘Axle Ratio’ option
to signify that your changes have been saved. If your
Mustang is equipped with non-stock tires, choose the ‘Tire
Revs per Mile’ option and press select; otherwise, proceed
to step 198.
178. You will need to check your tire manufacturer’s
website to determine the tire revolutions per mile for your
tires. The stock tires get 771 revs per mile.
179. Use the directional buttons to select the number
closest to the tire revs per mile figure provided by your
tire manufacturer. Press select again to confirm your
selection.
180. Press escape twice to return to the Performance
Tune menu. Choose ‘Install Tune’ and press select.
181. Confirm your choice by pressing select.
182. Follow the on-screen prompts regarding key position
until you recieve notification that the tune installation is
complete.
183. When the download is complete you will be
prompted to disconnect the DiabloSport Performance
Tuner from the OBD-II port of your vehicle.
184. If you have access to a diagnostic scan tool, run a
‘Key On, Engine Off’ test to verify that all connectors are
properly installed, otherwise move on to the next step.
185. Start the car and verify a smooth idle. If you are
using a diagnostic scan tool, run a ‘Key On, Engine Run’
test.