Holley to GM EFI

Bruce Plecan nacelp at bright.net
Sat Mar 27 00:28:54 GMT 1999


-----Original Message-----
From: Vinnie Moscaritolo <vinnie at vmeng.com>
To: diy_efi <diy_efi at esl.eng.ohio-state.edu>
Date: Friday, March 26, 1999 5:33 PM
Subject: Holley to GM EFI

Personally I'd just go to a junk yard and get a gm TB with a IAC, then use
all gm stuff, for the system.  Then use a 1227747 gm ecm, for more info on
the 747 look for the stuff on programming 101.
Bruce


>Hi;
>
>I was thinking about converting my Holley EFI TBI unit (the old
>analog 2bbl) to work with the GM ECU. As I understand this is what
>Howell does, but they use an idle air control unit instead of the
>solenoid that Holley uses.
>
>I have a few questions that the list might be able to help with.
>
>Can someone tell about Howells idle air control ?
>Where can I get one to make my Holley (2bbl) compatible?
>Is the GM ECU a good idea?
>
>I am using it on a International Harvester 304 and I have modified a
>manifold to  accept the TBI unit directly, Although I might mount a
>1" spacer under the TBI to give it more clearance.  I hear that this
>is good for low end power, since the IH motor only revs about 4000
>rpm I think this would be fine. but I would like to know if this is
>an OK idea?
>
>thanks again.
>




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