[Gmecm] TBI conversion

[bcroe at juno.com]

My understanding is EFI cars have true MAP sensors, but 
CCC engines have a sensor referenced to air pressure (as 
opposed to absolute zero pressure), is that right?  

Bruce Roe

30 Nov 06  davesnothereman at netscape.net writes:
>      
>  -----Original Message-----
>  From: dunvegan at sbcglobal.net
>  To: gmecm at diy-efi.org
>  Sent: 30 Nov 06 11:59 AM

>    * MAP sensor (this is still an outstanding question, will 
> probabally have to acquire correct one) My sources show 
> a valid 90 TBI 305 P/U part # as  OEM to be 16137939 but 
> the parts houses show it to be 16137039, so am a little 
> puzzled here.
> 
> You almost have to try to get a wrong MAP sensor.  Any of 
> the TBI V8 vehicles will supply one which will work.

> Zaphod