Chip for Northstar

[Mark Romans]

Yes and if anyone has the northstar docs they ought to be about 1000 pages.
I would gladly pay the copying expense to get a copy too!
Mark
-----Original Message-----
From: David A. Cooley <n5xmt at bellsouth.net>
To: diy_efi at esl.eng.ohio-state.edu <diy_efi at esl.eng.ohio-state.edu>
Date: Monday, March 29, 1999 7:43 AM
Subject: Re: Chip for Northstar


>Hi Chris,
>The wheel sensors not being there may be the key...
>There is a "Brake Torque" mode the PCM uses that cuts back timing and fuel
>when it doesn't see wheel (or VSS) input but see's throttle/rpm etc...
>The GM Cal Doc's are the actual calibration documents showing what tables
>etc are where in the chip.
>VERY helpful for modifying code as you can flag it to say that the
>ABS/Traction control isn't there.
>
>-----Original Message-----
>From: Chris Moore <northstar87 at hotmail.com>
>To: diy_efi at esl.eng.ohio-state.edu <diy_efi at esl.eng.ohio-state.edu>
>Date: Monday, March 29, 1999 8:40 AM
>Subject: Re: Chip for Northstar
>
>
>>Hi,
>>   I did hook up the brake module which is the traction control and the
>>abs control computer.  I do not have any wheel inputs though.  How can I
>>get this to work?  Explain more about the GM CAL Docs.  Thanks.
>>
>>Chris Moore
>>
>>
>>>From: "David A. Cooley" <n5xmt at bellsouth.net>
>>>Reply-To: diy_efi at esl.eng.ohio-state.edu
>>>To: diy_efi at esl.eng.ohio-state.edu
>>>Subject: Re: Chip for Northstar
>>>Date: Mon, 29 Mar 1999 07:54:53 -0500
>>>
>>>At 04:06 AM 3/29/99 -0800, you wrote:
>>>>Hi,
>>>>   I have a very unique car.  I have a 1987 Fiero GT with a 1995
>>>>Cadillac Northstar.  It runs great but it will not peel out.  I only
>>>>know of about 5 of these projects in the Nation and they all have this
>>>>problem.  My engine only has 16,000 miles on it. (just for you info).
>>I
>>>>think that it is the Torque Management located in the PROM.  Torque
>>>>Management was to make sure you do not peel out under a heavy load
>>>>situation.  It kills injectors and plays with the timing.  It is all
>>>>explained in the GM manual.  I had Super Chip try to make a chip for
>>me
>>>>and they said that they could take care of the problem.  It still did
>>>>not fix it.  I was wondering if you guys could help me out?  Please
>>let
>>>>me know.  Thank you.
>>>
>>>Chris,
>>>Did you transplant the ABS and Traction control as well?
>>>If not, that may be the problem... The Caddy PCM looks for input from
>>the
>>>ABS and TC modules... If it doesn't see it, and the chip still thinks
>>the
>>>modules are there it will severely torque limit thinking there is a
>>problem
>>>that could cause loss of control.
>>>You need to find someone with the GM Cal Docs that can disable the
>>ABS/TC
>>>parameters.
>>>===========================================================
>>>           David Cooley N5XMT           Internet: N5XMT at bellsouth.net
>>>     Packet: N5XMT at KQ4LO.#INT.NC.USA.NA   T.A.P.R. Member #7068
>>>       I am Pentium of Borg...division is futile...you will be
>>approximated.
>>>===========================================================
>>
>>Get Your Private, Free Email at http://www.hotmail.com
>>
>