Results 1 to 2 of 2

Thread: 1227747 ECM with 27SF512 Flash Chip Conversion / ZIF Socket & 2 each 27SF512 Chips

  1. #1
    Super Moderator dave w's Avatar
    Join Date
    Feb 2011
    Posts
    6,268

    1227747 ECM with 27SF512 Flash Chip Conversion / ZIF Socket & 2 each 27SF512 Chips

    1227747 ECM with 27SF512 Flash Chip Conversion / ZIF Socket & 2 each 27SF512 Chips $145, shipping not included. Please use Private Message (PM) for shipping quote.

    Thanks for looking.

    dave w

  2. #2
    Carb and Points!
    Join Date
    Sep 2017
    Location
    Little Rock, AR
    Age
    57
    Posts
    3
    PM sent. Looking for 1227747 computer with the 28-pin conversion, and one of the chips tuned for a Buick 350, manual trans. I have VSS output, so would like highway lean cruise enabled. I also have knock sensor installed.

    TBI system runs both EFI and ignition through a converted HEI distributor (no vacuum advance, mechanical advance welded).

    Thanks!
    Thank you,

    Spencer
    1969 jeepster Commando, Buick 350. 350 Chevy TBI conversion with spark control. 1227747 ECM.

Similar Threads

  1. '7747 Flash Chip Conversion (27SF512)
    By dave w in forum Fuel Injection Writeups Articles and How to New and Old
    Replies: 56
    Last Post: 10-23-2017, 09:21 AM
  2. $42 soldering for a 27SF512 socket
    By WallyCJ7 in forum GM EFI Systems
    Replies: 8
    Last Post: 02-01-2015, 02:25 AM
  3. possible 27SF512 chip replacement
    By 4153dodges in forum GM EFI Systems
    Replies: 7
    Last Post: 04-08-2014, 03:03 AM
  4. 27sf512 chip mod for 24 pin?
    By jameslleary in forum GM EFI Systems
    Replies: 17
    Last Post: 06-03-2012, 09:52 PM
  5. 27SF512 chips
    By Nasty-Z in forum GM EFI Systems
    Replies: 7
    Last Post: 05-17-2012, 02:58 AM

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
  •