What exactly is 86577457 engine performance "Envelope Package"?
Ordered one from our local ADI for a sold vehicle, they are out of stock. Is this a USB, software download from TAC? Just wondering if anyone else has ordered this.
86577457 Performance Upgrade
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86577457 Performance Upgrade
by AlanHomes » Wed Aug 02, 2023 5:53 pm
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Re: 86577457 Performance Upgrade
by Denise Trimble » Wed Aug 02, 2023 6:00 pm
Engineering Notes :
PART NUMBER 86577457. ENGINE KIT. IS CORRECT AS A CALIBRATION UPGRADE KIT. PLRASE REFER TO SERVICE INFORMATION DOCUMENT 6341682. FOR INSTALLATION. REFER TO PARTS WORKBENCH FOR LATEST PART ORDERING INFORMATION AND AVAILABILITY.
PART NUMBER 86577457. ENGINE KIT. IS CORRECT AS A CALIBRATION UPGRADE KIT. PLRASE REFER TO SERVICE INFORMATION DOCUMENT 6341682. FOR INSTALLATION. REFER TO PARTS WORKBENCH FOR LATEST PART ORDERING INFORMATION AND AVAILABILITY.
- Denise Trimble
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- Location: Ohio
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