[Diy_efi] 4L80E Questions

Programmer nwester at eidnet.org
Fri Nov 29 15:28:26 GMT 2002


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It's not quite that simple, Ray.  First off, GM never made a 6.0L in =
1998. If you flash a newer calibration into that older PCM, the car =
won't even start.

Lyndon.
  ----- Original Message -----=20
  From: grey thorn=20
  To: diy_efi at diy-efi.org=20
  Sent: Thursday, November 28, 2002 11:00 PM
  Subject: Re: [Diy_efi] 4L80E Questions


  you need to add a couple wires to go to the 4l80e input speed sensor =
to your PCM and send your PCM to a place in minnesota called =
diagnostichotline.com they do it for 75$ you will need to provide them =
with a VIN to a truck that has your ENGINE SIZE and the TRANNY your =
putting in your truck, i did it to my 1997 k1500 with a 4l60e, i went =
and put the 2000 Chevy 4l80e in it. i found out what teminals i needed =
to put wires on by comparing the wiring schematic of the PCM at the =
library on the mitchell manuals computers, let me know if you cant get =
them and i can email them to you when i get back home from vacation.



  Ray T

  Arizona



  >From: "Programmer"=20
  >Reply-To: diy_efi at diy-efi.org=20
  >To:=20
  >Subject: Re: [Diy_efi] 4L80E Questions=20
  >Date: Thu, 28 Nov 2002 08:17:56 -0700=20
  >=20
  >You could use a 1999-2002 PCM from a 6.0L equipped truck with 4L80E =
trans and retune from there. Let me know if you need some help...sounds =
like a wild project.=20
  >=20
  >Lyndon=20
  >www.ecmprogrammer.com=20
  >=20
  > ----- Original Message -----=20
  > From: D White=20
  > To: diy_efi at diy-efi.org=20
  > Sent: Wednesday, November 27, 2002 5:11 PM=20
  > Subject: [Diy_efi] 4L80E Questions=20
  >=20
  >=20
  > Hello All, This is my first post, I have a 2001 4L80E that is in =
great shape, but we are going to build it up anyways to handle more =
power. I am going to install this in my '98 Trans Am in place of my 6 =
speed manual that is in it now, I have reservations about the 6 speed =
holding up to 800 hp/trq from my twin turbo 400 cu in(6.0L iron block =
based) LS1 motor, I have a couple of options to make this work and need =
some help. Option #1) I do have a TCM and wiring harness from a 92 Chevy =
Diesel - SRVC # 16147609 w/ matching wiring harness - I don't have a =
clue who could nail the chip burn on this for me and modify the harness =
to only use what I need, so if anyone knows who can do all this let me =
know. Option #2 Not the most refined but for sure the easiest way is to =
put a manual valve body in it and shift it manually but I would lose the =
lock up feature and might not be as streetable when off the race track. =
Option #3 Sell this TCM and harness and buy an aftermarket TCI trans =
controller, the only down side is the higher $$, so let me know what you =
think I'de welcome all suggestions and input, Thanks Dave=20


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<DIV><FONT face=3DArial size=3D2>It's not quite that simple, Ray.&nbsp; =
First off,=20
GM never made a 6.0L in 1998. If you flash a newer calibration into that =
older=20
PCM, the car won't even start.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT><FONT face=3DArial =
size=3D2></FONT><FONT=20
face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Lyndon.</FONT></DIV>
<BLOCKQUOTE=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
  <A title=3Dgreythorn3 at hotmail.com =
href=3D"mailto:greythorn3 at hotmail.com">grey=20
  thorn</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A =
title=3Ddiy_efi at diy-efi.org=20
  href=3D"mailto:diy_efi at diy-efi.org">diy_efi at diy-efi.org</A> </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Thursday, November 28, =
2002 11:00=20
  PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> Re: [Diy_efi] 4L80E=20
  Questions</DIV>
  <DIV><BR></DIV>
  <DIV>
  <DIV>
  <P>you need to add a couple wires to go to the 4l80e input speed =
sensor to=20
  your PCM and send your PCM to a place in minnesota=20
  called&nbsp;diagnostichotline.com they do it for 75$ you will need to =
provide=20
  them with a VIN to a truck that has your ENGINE SIZE and the TRANNY =
your=20
  putting in your truck, i did it to my 1997 k1500 with a 4l60e, i went =
and put=20
  the 2000 Chevy 4l80e in it. i found out what teminals i needed to put =
wires on=20
  by comparing the wiring schematic of the PCM at the library on the =
mitchell=20
  manuals computers, let me know if you cant get them and i can email =
them to=20
  you when i get back home from vacation.</P>
  <P>&nbsp;</P>
  <P>Ray T</P>
  <P>Arizona<BR><BR></P></DIV>
  <DIV></DIV>
  <DIV></DIV>&gt;From: "Programmer" <NWESTER at EIDNET.ORG>
  <DIV></DIV>&gt;Reply-To: diy_efi at diy-efi.org=20
  <DIV></DIV>&gt;To: <DIY_EFI at DIY-EFI.ORG>
  <DIV></DIV>&gt;Subject: Re: [Diy_efi] 4L80E Questions=20
  <DIV></DIV>&gt;Date: Thu, 28 Nov 2002 08:17:56 -0700=20
  <DIV></DIV>&gt;=20
  <DIV></DIV>&gt;You could use a 1999-2002 PCM from a 6.0L equipped =
truck with=20
  4L80E trans and retune from there. Let me know if you need some =
help...sounds=20
  like a wild project.=20
  <DIV></DIV>&gt;=20
  <DIV></DIV>&gt;Lyndon=20
  <DIV></DIV>&gt;www.ecmprogrammer.com=20
  <DIV></DIV>&gt;=20
  <DIV></DIV>&gt; ----- Original Message -----=20
  <DIV></DIV>&gt; From: D White=20
  <DIV></DIV>&gt; To: diy_efi at diy-efi.org=20
  <DIV></DIV>&gt; Sent: Wednesday, November 27, 2002 5:11 PM=20
  <DIV></DIV>&gt; Subject: [Diy_efi] 4L80E Questions=20
  <DIV></DIV>&gt;=20
  <DIV></DIV>&gt;=20
  <DIV></DIV>&gt; Hello All, This is my first post, I have a 2001 4L80E =
that is=20
  in great shape, but we are going to build it up anyways to handle more =
power.=20
  I am going to install this in my '98 Trans Am in place of my 6 speed =
manual=20
  that is in it now, I have reservations about the 6 speed holding up to =
800=20
  hp/trq from my twin turbo 400 cu in(6.0L iron block based) LS1 motor, =
I have a=20
  couple of options to make this work and need some help. Option #1) I =
do have a=20
  TCM and wiring harness from a 92 Chevy Diesel - SRVC # 16147609 w/ =
matching=20
  wiring harness - I don't have a clue who could nail the chip burn on =
this for=20
  me and modify the harness to only use what I need, so if anyone knows =
who can=20
  do all this let me know. Option #2 Not the most refined but for sure =
the=20
  easiest way is to put a manual valve body in it and shift it manually =
but I=20
  would lose the lock up feature and might not be as streetable when off =
the=20
  race track. Option #3 Sell this TCM and harness and buy an aftermarket =
TCI=20
  trans controller, the only down side is the higher $$, so let me know =
what you=20
  think I'de welcome all suggestions and input, Thanks Dave=20
  <DIV></DIV></DIV><BR clear=3Dall>
  <HR>
  MSN 8 helps <A href=3D"http://g.msn.com/8HMOEN/2020">ELIMINATE E-MAIL =
VIRUSES.=20
  </A>Get 2 months FREE*. =
_______________________________________________=20
  Diy_efi mailing list Diy_efi at diy-efi.org=20
  =
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