ECM question '91 and up TBI

[Shannen Durphey]

I don't doubt you one bit.  I tried several times to find a calibration for
anything with thm400 after 1990.  All auto trans are listed as 4L80.

If you happen to have some known bcc's I could check and correct the calibration
database as needed.

Shannen

Walter Sherwin wrote:
> 
> There were THM 400 + 454 combos made thru to at least 1994, if you include
> the chassis cab and/or motorhome combos.  Otherwise, you are correct, the
> light truck 454's after 1990 all got 4L80E's as autos (ie: MT1).
> 
> Walt.
> 
> > The THM 400 + 454 appears to have been stopped in 1990.
> >
> > After 1991 all auto trans 454's are listed with the MT1 trans, which is
> the
> > 4L80E.
> >
> > Starting in 1991, I list the following part nos for the L19 TBI 454 w/auto
> > trans.
> > #16127470
> > #16147060
> > #16156930
> > #16196395
> > #16197427
> >
> > HTH
> > Shannen
> >
> 
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