[Diy_efi] 4L80E Questions

arnie arnie_ at charter.net
Fri Nov 29 16:32:22 GMT 2002


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Dave, you didn't state what ecm or pcm you plan to use to control engine =
functions of the boosted engine. Nor what state/emission requirements =
you will be required to meet.  What ecm/pcm you ues can have bearing on =
what trans control module will be needed/required.  If you replace the =
pcm with aftermarket, this may change what options are available for =
trans control.

GAS
  > ----- 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>Dave, you didn't state what ecm or pcm =
you plan to=20
use to control engine functions of the boosted engine.&nbsp;Nor what=20
state/emission requirements you will be required to meet.&nbsp; What =
ecm/pcm you=20
ues can have bearing on what trans control module will be =
needed/required.&nbsp;=20
If you replace the pcm with aftermarket, this may change what options =
are=20
available for trans control.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>GAS</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">
  <DIV></DIV>&gt; ----- Original Message ----- </DIV>
  <DIV>
  <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><FONT face=3DArial =
size=3D2></FONT></DIV></DIV></BLOCKQUOTE></BODY></HTML>

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