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Re: ECU #'s and possible interchange?[200/89] posted by michael steve on
Monday, 1 January 2001, at 12:56 a.m.
ECU for the 89 is a 561.
the 951 is interchangeable with the 561 and is less troubleprone.
you should try to get a 951.
michael steve
Re: ECU #'s and possible interchange?[200/89] posted by Brian on
Monday, 1 January 2001, at 7:56 a.m.
Yes 951 is the upgrade, 561 and 572 will work. I have seen a 556 in a 90 740 non turbo, may well be the same thing with or without any up grades. Brian