Modified Fuel Injection

[Shannen Durphey]

Steven Gorkowski wrote:
> 
> GM output map variable voltage , ford variable frequency. Didn't answer
> in last post.
> 
> James Weiler wrote:
> 
> > Hmm GM and ford too?  I knew fords were like that but I thought that
> > the
> > GM units put out a variable frequency vs. mass air flow.  Am I getting
> >
> > confused with the ford MAP sensor ?
> > any help mucho appreciado
> > later
> > jw
> >
> > On Tue, 21 Apr 1998, A70Duster wrote:
> >
> > > You may read that the AMS (from GM units ) put out a voltage that is
> > directly
> > > proportional to the Air Mass.  That is NOT true.  It is a parabolic
> > function.
> > > Friendly advice.  Good luck.
> > >
> > > See ya,
> > >
> > > Mike
> > >
Take this with a grain of salt.  Delco MAF sensors (black
plastic) vary voltage with airflow.  Hitachi (die cast
aluminum) vary frequency with airflow.  Hitachi is used on
3.8l Buick from about 92 0r 93, and maybe others, and was
the answer to failure prone Delco unit.

Shannen