Couple of MAP sensor questions

[Marteney, Steven J.]

Duh, motor driven.  Sorry, I wasn't thinking just remembering a vacuum hose
going over in that general direction.  I think I will run a short line from
a T in the FPR line, and mount the thing on the firewall.  I thought about
the direct mount idea but with the plug and port on the same side it would
have to hang over somewhere with plug exposed, and the runners are in the
way, and, ....

Thanks for all the advice!  Hopefully this weekend!
Steve

-----Original Message-----
From: Bruce [mailto:nacelp at bright.net]
Sent: Monday, July 30, 2001 2:01 PM
To: gmecm at diy-efi.org
Subject: Re: Couple of MAP sensor questions



Er, well, the the heater controls have a storage canister, you have vac
wipers?.    Yes vac wipers have a vac *leak*
Bruce


----- Original Message -----
From: "Marteney, Steven J." <smarteney at xlvision.com>
To: <gmecm at diy-efi.org>
Sent: Monday, July 30, 2001 1:46 PM
Subject: RE: Couple of MAP sensor questions


> Do the A/C controls or (possibly) wipers have any vacuum bleed?
> Thanks!
> Steve
>
> -----Original Message-----
> From: Bruce [mailto:nacelp at bright.net]
> Sent: Monday, July 30, 2001 12:26 PM
> To: gmecm at diy-efi.org
> Subject: Re: Couple of MAP sensor questions
>
>
>
> You want it close to the manifold, and T'ing is fine so long as there is
no
> vacuum bleed at the other end,  ie brake booster hose / PCV hoses are a
> nono.
> Short small diameter lines.
> On some applications the use an O ring, and mount the sensor to the
manifold
> (looks to be the best way).
> Bruce
>
>
> ----- Original Message -----
> From: "Marteney, Steven J." <smarteney at xlvision.com>
> To: <gmecm at diy-efi.org>
> Sent: Monday, July 30, 2001 12:15 PM
> Subject: RE: Couple of MAP sensor questions
>
>
> > There are 3 vacuum ports (not including the power brake booster port) on
> the
> > TPI plenum (that I remember).  One is underneath the plenum right behind
> the
> > throttle body and it is dedicated to the EGR system.  Two more are on
the
> > passenger side.  One hooks only to the pressure regulator, the other is
> the
> > one that is T'd.  Some of its lines go into the wireing harness and I
> assume
> > go to the A/C controls.  The other lines I'm not sure where they go,
don't
> > remember.  I don't see any other places to put it unless I 'T' it.  And
I
> > hate to do it on the line that's already T'd twice.
> >
> > Steve
> >
> > -----Original Message-----
> > From: Barry Tisdale [mailto:btisdale at cybersol.com]
> > Sent: Monday, July 30, 2001 11:44 AM
> > To: gmecm at diy-efi.org
> > Subject: Re: Couple of MAP sensor questions
> >
> >
> > While not being at all familiar w/ your manifold or plenum, the best way
> is
> > to provide a separate vacuum source for each device, i.e., no 'tees' or
> > anything.  Is this do-able on your setup?  Easier to troubleshoot, too.
> >
> > Barry
> >
> > At 09:26 AM 7/30/01 -0400, Marteney, Steven J. wrote:
> > >Okay, I'm slow and I admit it, but the 165-730 conversion is just about
> > >underway.  Would have been this weekend but other projects got in the
> way.
> > >I have a couple of questions on hooking up the MAP sensor.
> > >1) I know Bruce says use the hard vacuum lines but I'm wondering how
long
> > of
> > >a hard line is too long.  I've been stealing a lot of stuff out of a
6000
> > >and I got a piece of hard vacuum line with rubber boots on each end.
> It's
> > >about 3 feet long.  Is that too long?
> > >
> > >2) Will a 'T' in the line effect the MAP sensor operation?  One vacuum
> port
> > >on my plenum already has two T's in it (not my doing) and I hesitate
> > putting
> > >in a 3rd.  The only other one (easily) available is hooked to the
> pressure
> > >regulator.  I thought about T-ing that one.  Bad idea?
> > >
> > >Thanks!
> > >Steve
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