[Gmecm] What's out there for Vortec L31

Scott Pearson mrcad472
Fri Mar 11 20:11:42 UTC 2005


I've used OBDII Tuner on both V6 and V8 Vortec trucks. Works great!

The Vortec has an individual injector/pintle per cylinder.

Scott

----- Original Message ----- 
From: <matt_pekarna at datacard.com>
To: <gmecm at diy-efi.org>; <gmecm-bounces at diy-efi.org>
Sent: Friday, March 11, 2005 2:07 PM
Subject: Re: [Gmecm] What's out there for Vortec L31


>
>
>
>
> TunerCat just released a software update last month, and now supports 
> these
> GM trucks.  TunerCat doesn't have their web site updated yet to show their
> complete offering yet (only lists 96 - 97 GM C/K trucks), but many people
> on the Pacific Audio forum have just completed a group purchase, and are
> beginning to figure out how to use it.
>
> As I understand it, the Pacific Audio web site server is down for major
> upgrades, so you won't be able to tap into this user base until sometime
> later this month.  Here is a link for you to check.
>
> http://www.tunercat.com/tnr_desc/do_tc.html
>
> http://www.pacific-audio.com/performance/discussion.html
>
> http://www.duramaximizer.com/forum/discussionframe.htm
>
> http://www.pacific-audio.com/
>
> By the way, I have been told conflicting information about the L31
> injection system.  Some say it is a batch fire (2 injectors w/ 4 pintles
> each as you describe below), others say it is a true MPFI (all 8 pintles
> operate independently from a central source).
>
> Anyone have the definitive answer?







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