MFA question (what about boost)

[jdbubb@ix.netcom.com (Dan Bubb)]

I'm pretty sure the upshift indicator is a seperate little switch that
mounts in the vacuum line next to the distributor.
As far as the MFA and boost, I imagine the pressure sensor has a range from
0-15 psi absolute. Once you hit the limit the voltage output doesn't change,
so once you hit boost the sensor output will be maxed at atmospheric. So, as
long as the sensor survives everything is OK bearing in mind the mileage
readout will be inaccurate (big suprise!!!)
Dan

----- Original Message -----
From: Cory Langford <cory.langford@icbc.com>
To: scirocco <scirocco-l@scirocco.org>
Sent: Friday, January 25, 2002 2:15 PM
Subject: RE: MFA question (what about boost)


>
>
> I have been thinking a little about that Vacuum attachment.  Does all it
> control is the Fuel Mileage and Upshift indicator?  I am trying to
> figure out what it will do when it stops seeing vacuum and sees boost...
>
> --
> Cory Langford
> '86 Oettinger turbo project
> '82 beater (winter driver)
>
>
> -----Original Message-----
> From: Dan Bubb
> Sent: Friday, January 25, 2002 7:39 AM
> To: Euroroc II
> Subject: Re: MFA question
>
>
> The MFA gets inputs from the speedometer, vacuum signal from the engine,
> temp sensor in the front bumper, and an oil temp sensor.
> It doesn't care what engine or injection system you run. (for instance,
> I currently have a Haltech installed on my engine) The fuel mileage
> readout isn't worth a damn if you make substantial changes to the engine
> (like going to a 2.0!) cause the manifold vacuum is different for a
> given amount of power.
> Dan
>
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