Re: EPROM Programming

[romans@starstream.net (Romans, Mark)]

Actually I would recommend that you put a vss in your jeep.  It's there for
a reason.
What ecm and prom are you running?
Most of the bins posted are stock.
You want to find an application that's close to what you are running to
start with.
There is a limited amount of gain to modifying the calibration for a stock
engine.
When it's more necc is when the engine is modified.
Mark
----- Original Message -----
From: <WEG1192@aol.com>
To: <gmecm@diy-efi.org>
Sent: Thursday, August 03, 2000 10:05 PM
Subject: Re: EPROM Programming


> Mark,
>
> Thanks for answering my questions. Its not that I'm not willing to "do the
> homework" as you call it but one of the first things I learned after
> graduating from engineering school is don't do the same thing twice. Ask
> someone who's been there and build on it. And its only forums like this
where
> the truth is separated from the unfounded boasting. My main question that
I
> guess I didn't write clearly enough is are the .bin files on the GMECM
site
> ones that some of you have retuned and placed for others to use, or would
> that be too dangerous to start with another's retune. I would think it
would
> be helpful to compare say your retune against stock to see where
performance
> gains are found. I recently put a TPI on my Chevy 350 in a manual Jeep
> Cherokee. The chip I have came with the ECM I bought off Ebay. It seems to
> work OK, but I get a code 24 a lot, (speed sensor) so I'm trying to decide
if
> its worth it to buy a burner and fix it myself or buy a speed sensor. But
> since I'm the kind of guy who likes to know my car like a cowboy knows his
> horse, I like the retune idea better. And now that I know what is possible
> with a retune, I'm definitely going to go for the retune. Plus, I am
trying
> to put GM FI on my Grand Wagoneer. Would it be a reasonable guess that a
> stock GM suburban 4X4 .bin calibration would work (until I get around to a
> retune) with my Jeep 4X4 as long as the VATS is turned off? One other
thing,
> Jason Weir put GM FI on his Jeep. I followed his trail from the beginning.
> The only thing that seemed to not get answered was why he felt that the GM
> spark curve would not work with his Jeep. He hasn't returned my E-mails.
Do
> you know?
>
> Thanks.
> --------------------------------------------------------------------------
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