[Gmecm] 1227747 close replacement (with 8192 baud ALDL)

[nhromyak at comcast.net]

I have found the 7730 was used in a TBI 4 cylinder, known as $3E code.  I have found a bin, but no mask.

I am currently running a 7730 with a 4 barrell Holley TBI, with mixed results.  This is how I got the "fuel injection system" from Howell.  I am not sure if they are still selling the 7730 with TBI though.   A friend recently got their TBI (2 barrell) with a 7747.

I have been doing a LOT of tuning for my 402 BBC.  It's keeps getting closer, but I just lost my fan belt and it got over 270 degrees... :(

Time to check the heads.  :(

-------------- Original message -------------- 

> 
> 
> > -----Original Message----- 
> > From: gmecm-bounces at diy-efi.org 
> > [mailto:gmecm-bounces at diy-efi.org] On Behalf Of kris schneider 
> > Sent: Monday, March 28, 2005 12:41 PM 
> > To: gmecm at diy-efi.org 
> > Subject: [Gmecm] 1227747 close replacement (with 8192 baud ALDL) 
> > 
> > So my question is, what GM TBI ECM's will drop into the 
> > '7747's place with 
> > no, or at least minimal repinning of connectors, and no 
> > changing sensors, 
> > but have the faster ALDL bitrate? 
> > 
> 
> I asked that question a few years ago and did some research (mostly on 
> Ludis' WWW page (www.cruzers.com/~ludis) and came to the conclusion that 
> there aren't any P4 computers (fast ALDL) that are both TBI and either 
> manual or non-electric automatic transmission. If you have a 4L60E 
> transmission there are some P4 choices. I could be wrong, my research 
> wasn't that in depth because I decided on a vortec drivetrain instead. 
> 
> --steve 
> 
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