Results 1 to 15 of 16

Thread: DRAC Module clicks?

Threaded View

Previous Post Previous Post   Next Post Next Post
  1. #2
    Fuel Injected!
    Join Date
    Mar 2012
    Age
    37
    Posts
    462
    The VSSB outputs 4000 pulses per mile. Looks like your speedometer is originally calibrated for 8000 pulses per mile. if you have it wired correctly it sounds like you just need to calibrate the speedometer.

    EDIT: i assume you're using the yellow VSS buffer that came in the 91-93 Caprice?
    Last edited by tayto; 10-25-2022 at 08:52 AM.

Similar Threads

  1. DRAC/VSSB Questions...
    By DavidBraley in forum GM EFI Systems
    Replies: 54
    Last Post: 04-07-2020, 06:52 AM
  2. DRAC, RPM/VSS ratio or both?
    By Stokes1114 in forum GM EFI Systems
    Replies: 4
    Last Post: 04-11-2017, 05:59 AM
  3. 6.2D to 350 TBI conv. VSS/DRAC needed?
    By MartinAro in forum GM EFI Systems
    Replies: 17
    Last Post: 12-19-2016, 07:44 AM
  4. DRAC needed?
    By mmigacz in forum GM EFI Systems
    Replies: 1
    Last Post: 03-04-2016, 10:55 PM
  5. Various PROMS and DRAC modules.
    By iscout62 in forum Buy - Sell - Trade - Wanted
    Replies: 18
    Last Post: 05-28-2015, 05:29 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •