MAP Q?

[Bruce Plecan]

-----Original Message-----
From: Van Setten, Tim (AZ75) <Tim.Van.Setten at CAS.honeywell.com>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Wednesday, March 10, 1999 11:06 AM
Subject: RE: MAP Q?

Try Del at  lockitup at bright.net
I just got a 3 bar for like $51...
Tell him your on the "list"
Bruce


>> Subject: MAP Q?
>>
>> General Motors has a 3 bar MAP.  A gm 3 bar reads to 2 bar of boost.
>> MAP,  Manifold Absolute Pressure.
>> Bruce
>>
> The 2 bar MAP (1 bar boost, total 15 psi max) used on the Grand
>Nationals, GM PN: 16009886, Wells PN: SU-129, Standard PN: AS-4.
>
> The 3 bar MAP (2 bar boost, total 30 psi max) was used on the 79-80
>turbo TA's.  GM PN: 16040749.  GM is the only source I've found for this
MAP
>and they're real proud of it too!  About $ 100 here in Phx.  Any other
>sources, please post it.
>
> NOTE:  Both have an orange grommet so it's impossible to tell one
>from the other.  The only way I know is to hook it up, and if signal
voltage
>is 2.25 Volts, it's a 2 bar MAP.  If the signal Voltage is 1.54, it's a 3
>bar..Tim.
>