Dec 14, 2013 #1 L LEW_86 Member Joined Nov 4, 2013 Messages 69 Help!!! I'm looking for a "known good" working 86/87 ECM.
Dec 14, 2013 #3 1 1987GNASTROROOF Active Member Joined Feb 18, 2013 Messages 511 I have some tested in my 87 Posted from the TurboBuick.Com mobile app
