Third Generation F-Body Message Boards

DFI and ECM Discuss all aspects of DFI (Digital Fuel Injection), ECMs (Electronic Control Module), scanners, and diagnostic equipment. Fine tune your Third Gen computer system for top performance.

87 trans am LG4 ECM # ?

Thread Tools
 
Search this Thread
 
Old 08-03-2020, 07:11 AM
  #1  
Senior Member

Thread Starter
iTrader: (9)
 
zman1969's Avatar
 
Join Date: Jul 2003
Location: DFW
Posts: 582
Received 200 Likes on 142 Posts
Car: 90 Formula 350
Engine: 350
Transmission: 700r4
Axle/Gears: Dana 44 3.54
87 trans am LG4 ECM # ?
looking to see what ECM # for this car? thanks guys
zman1969 is offline  
Reply Like
Old 08-03-2020, 11:32 AM
  #2  
Member
 
dan5's Avatar
 
Join Date: Nov 2019
Location: Michigan
Posts: 117
Received 29 Likes on 21 Posts
Car: "Barn find" 1985 IROC-Z
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3.42
Re: 87 trans am LG4 ECM # ?
My favorite reference is:

www.gmpartswiki.com

This site has many old GM parts catalogs posted. Use the search page to find what you want.

This is the ECM page from the 1988 F car manual:
http://www.gmpartswiki.com/getpage?pageid=36014
dan5 is offline  
Reply Like
Old 08-03-2020, 12:42 PM
  #3  
Supreme Member

iTrader: (167)
 
John in RI's Avatar
 
Join Date: Aug 1999
Location: RI
Posts: 5,042
Received 354 Likes on 269 Posts
Car: 1984 Camaro Berlinetta
Engine: LT1
Transmission: T56 6-speed
Axle/Gears: 4.11 LS1 Rear End
Re: 87 trans am LG4 ECM # ?
I've got one marked from an 87 305 manual,....PN = 1228079. ( chip code = ACHH )



John in RI is offline  
Reply Like
Old 08-04-2020, 03:43 PM
  #4  
Senior Member

Thread Starter
iTrader: (9)
 
zman1969's Avatar
 
Join Date: Jul 2003
Location: DFW
Posts: 582
Received 200 Likes on 142 Posts
Car: 90 Formula 350
Engine: 350
Transmission: 700r4
Axle/Gears: Dana 44 3.54
Re: 87 trans am LG4 ECM # ?
Originally Posted by dan5
My favorite reference is:

www.gmpartswiki.com

This site has many old GM parts catalogs posted. Use the search page to find what you want.

This is the ECM page from the 1988 F car manual:
http://www.gmpartswiki.com/getpage?pageid=36014
YES! thanks!! 1228079 is the number - plenty on E-buy and sent you a PM John
zman1969 is offline  
Reply Like
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
[NY] ECM - 87 Trans AM 305 with Carb
notredan54
Engine/Drivetrain/Suspension Wanted
4
02-09-2012 08:13 AM
87 El Camino 305
garyspinco
Electronics
1
11-07-2011 02:15 PM
Choosing an ecm
eric305TPI
DIY PROM
1
11-13-2004 04:38 PM
will a 87 tpi prom work in my 87 lg4 ecm?
formula5
DIY PROM
5
11-17-2000 07:27 PM
Back to Subforum
DFI and ECM
View Next Unread
Open vs Closed Loop Running




Advanced Search
Quick Reply: 87 trans am LG4 ECM # ?


Reply Closed Thread Share

All times are GMT -5. The time now is 11:51 PM.