RE: Changing 165 fuel delivery was "General tuning question - fue l economy"

["Marteney, Steven J." <smarteney@xlvision.com>]

Congrats on a nice right up in GM High Tech Performance mag!  I enjoyed
reading it.  Hope it was you, guess it could have been another Rick Linstedt
that "tunes his own chips."

On the injector flow rate, I had thought of telling it I had smaller
injectors than I really do.  Seems that would fire them longer, but I'm in
the dark.  Thought I would try it and see what happens.
Steve

-----Original Message-----
From: Rick Lindstedt [mailto:rick@mafb.org]
Sent: Thursday, June 15, 2000 12:44 PM
To: gmecm@diy-efi.org
Subject: Re: Changing 165 fuel delivery was "General tuning question -
fuel economy"


Marteney, Steven J. wrote:
>I haven't got my copy of tunercat yet, but it's coming, or the rather the
>check is going.  In the meantime, to increase fuel across the board, TC has
>two settings for injector flow rate, single and double fire.  Is that what
I
>can use for this?  I remember a couple of months ago there was a lot of

I dont know about that one..

>hand-waving about single-fire and double-fire and what the difference was.
>Hate to bring it up, but was there a clear answer that came out of that?


No definete answer came ...I was the one that brung it up in the first 
place.. =/ I am still wondering if there any real gains/losses from 
switching from one to the other or if there are any...

>Also, in the 165, is there an equivalent to the VE tables as in the speed
>density stuff?  I didn't see anything in CATS function list other than
"Mass
>Air Flow vs. RPM, (Diag)" and the injector flow rate constants.

That all I saw when I looked into the CATS...  I use GMEPro tho..

Rick
  

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