747 on a 4cyl

Bruce Plecan nacelp at bright.net
Tue Jul 14 03:35:07 GMT 1998


-----Original Message-----
From: Jason Weir <jweir at worldnet.att.net>
To: DIY_EFI <DIY_EFI at efi332.eng.ohio-state.edu>
Date: Monday, July 13, 1998 11:20 PM
Subject: 747 on a 4cyl


>what might be the problems using the 747 with a 5.0L or 4.3L prom on a
>2.5L 4cyl motor utilizing the one injector TBI unit and using only one
>of the injector outputs? My theory is half the motor uses roughly half
>the fuel and then fine tune the tables from there? Any big problems with
>that?  Jason
>
Everything related to rpm will be wrong.  

Why not use a 165/730 ecm with the proper cyl select.   Knowing the
math and with delco edit ya can find the fuel spark tables, and go 
from there.  
Bruce




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