V6 Vortec to V8 Vortec Conversion

[Programmer]

Hey--he's "CarProgrammer" !! I just happened to pick
the wrong name <g>...

Lyndon.

----- Original Message -----
From: "Len Sabatine" <sabatine at epix.net>
To: <gmecm at diy-efi.org>
Sent: Thursday, August 16, 2001 3:11 PM
Subject: Re: V6 Vortec to V8 Vortec Conversion


>      To set things right , Carputing LLC  [ Programmer] and  Cyber
> Solutions [LT1_Edit]
>      and [others'] are in collaboration , business wise.
>      FYI,  an open version of OBD2 LT1 Programmer and LT1 Edit comes in
@+2K.
>      Len
>
> >ok I'm confused...I did a cursory examination of the archives (didn't
have
> >time
> >to look through 18 sets real close, I'm at work) and I see where Ken
> >started the
> >project, picked some folks brains, fried a PCM (oops)  but then theres
nothing
> >there...If carputing really did take the freeware  idea and begin selling
it,
> >why doesn't Ken jump up and start kicking some heads around?  I know I'd
be
> >pissed if someone took my freeware idea and started making money off
it...
> >
> >Gary
> >gary.heuston at afwa.af.mil
> >
> >
> >
> >Gregg Dickson wrote:
> >
> > > They are making a MINT off this stuff too...$550 for LT1 Edit for
OBDII.
> > > Makes you want to develop a freeware OBDII editor just to knock em out
of
> > > business...
> > >
> > > Gregg
> > > -----Original Message-----
> > > From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On
Behalf
> > > Of Bruce
> > > Sent: Wednesday, August 16, 2000 3:01 PM
> > > To: gmecm at diy-efi.org
> > > Subject: Re: V6 Vortec to V8 Vortec Conversion
> > >
> > > Oh Carputing, they have an interesting history.
> > > See, that was all going to be Freeware.  Up until they figured out
that
> > > after they got the help they needed, that they could make a buck on
it.
> > > A check of the archives, will show the truth.
> > > 30 people for 15% how generous, hahaha.
> > > I'd rather retrofit an earlier PCM, and buy from tunercat.
> > > Bruce
> > >
> > > ----- Original Message -----
> > > From: "Gregg Dickson" <gdickson at sbti.com>
> > > To: <gmecm at diy-efi.org>
> > > Sent: Thursday, August 16, 2001 2:00 PM
> > > Subject: RE: V6 Vortec to V8 Vortec Conversion
> > >
> > > > Al,
> > > > I may be missing something here but there is an OBDII version of LT1
Edit
> > > > available from www.carputing.com (developed by Dave Hempstead & Ken
> > > Kelly).
> > > > As a matter of fact we are currently mounting a GP on it and have 25
of
> > > our
> > > > 30 required orders to get the 15% discount level.
> > > > As far as scanners for OBDII, there aren't many choices yet. I
decided to
> > > > get Alex Peper's OBDII Explorer package (www.obd-2.com). There is
another
> > > GP
> > > > being put together for it with a 40% discount ($73 for GM) at
> > > > www.impalassforum.com. This site is down because many of the Impala
folks
> > > > are in Detroit this week.
> > > >
> > > > email me off list and I'll send you a bunch of other OBDII links if
you
> > > > wish.
> > > >
> > > > Gregg Dickson
> > > > Enterprise IT Architecture
> > > > Stonebridge Technologies
> > > > gdickson at sbti.com
> > > > http://www.sbti.com
> > > > 404.327.4670
> > > >
> > > > -----Original Message-----
> > > > From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On
Behalf
> > > > Of JANETSKY, ALBERT (AIT)
> > > > Sent: Thursday, August 16, 2001 12:35 PM
> > > > To: gmecm at diy-efi.org
> > > > Subject: RE: V6 Vortec to V8 Vortec Conversion
> > > >
> > > >
> > > > ahhh... a reply!  I've realized that in 98 GM started using passlock
> > 2.  I
> > > > think I'll set the 98 PCM on the shelf and see if I can completely
> > > reprogram
> > > > 96 v6 PCM for a v8.
> > > >
> > > > I'm feeling like I might have stumbled into something that I'll find
very
> > > > little support for.  Essentially zero support for the obd-ii systems
on
> > > the
> > > > web.
> > > >
> > > > I think I can figure out how to interface the obd-ii interface with
my
> > > pc...
> > > > but haven't stumbled upon any applications out there that can
communicate
> > > > with it.
> > > >
> > > > AL
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Len Sabatine [mailto:sabatine at epix.net]
> > > > Sent: Thursday, August 16, 2001 10:35 AM
> > > > To: gmecm at diy-efi.org
> > > > Subject: Re: V6 Vortec to V8 Vortec Conversion
> > > >
> > > >
> > > >      While the PC Dyno program may be giving some cool gross HP
numbers ,
> > > >      I would be looking at the shape of the torque curve more
closely ,
> > > > especially
> > > >      with an OBD2 PCM. Overall , a LT1 F-Y Body production cam w 1.6
> > > rockers
> > > >      will drive better and be easier to get up and running.
> > > >      A '96 Vortec PCM is not identical to a 98  Vortec PCM , just
close.
> > > >       Len
> > > >
> > > > >Hello All...
> > > > >
> > > > >My name is Al Janetsky.  I'm a Systems Engineer with a
> > telecommunications
> > > > >organization... and for fun I'm converting a 1996 GMC Sonoma
sportside
> > > > >equiped with the 4.3L Central Sequential Fuel Injected Vortec to a
5.7L
> > > V8
> > > > >Vortec. I'm hoping to keep the truck streetable with occasional
runs on
> > > > >Saturday nights at the local drag strip (for fun).
> > > > >
> > > > >The donor motor, wiring harness, and PCM is out of a 1998 3/4 ton
GMC
> > > > >Sierra.
> > > > >
> > > > >I currently have the engine at Kendricks of San Antonio for my
machine
> > > > work.
> > > > >
> > > > >Modifications include porting and resurfacing the Vortech heads.
An LT4
> > > > Hot
> > > > >cam package... 1.6 roller rockers, and upgraded valve springs.  The
> > specs
> > > > on
> > > > >the cam are 218/228 at .525/.525
> > > > >
> > > > >I plan to swap out the v6 pcm for the v8 pcm... (even though they
are
> > > > >identical except for the programming).  I plan to use the existing
v6
> > > > wiring
> > > > >harness and run a few of the pinouts from the pcm to the fuel
injector
> > > > >assembly. I've already traced the pinouts from the ecm to the
injectors,
> > > > and
> > > > >think that it will be a fairly straight forward swap.
> > > > >
> > > > >There are a couple of major concerns that I have regarding my
project.
> > > > >First off -  Does anyone think this cam is too large for my
conversion.
> > > > The
> > > > >vehicle should weigh in at about 3275 after the v8 is
> > installed.  Gearing
> > > > on
> > > > >the vehicle is a 3.08 locker, and the transmission is a 5 sp New
Venture
> > > > >3500 that I just rebuilt.  I know that I can give up some low end
> > > torque...
> > > > >and it looks like this cam will make gobs (in comparison to
existing) of
> > > > >power way up in the rpm range.
> > > > >
> > > > >A computer program at the machine shop speced out about 330HP with
the
> > > use
> > > > >of small tube headers and somewhere near the 400 ft/lbs of torque
mark.
> > > > I'm
> > > > >concerned that the PCM will not be able to handle all of the
duration.
> > > > >
> > > > >Some other areas that I would like to address are the
identification of
> > > the
> > > > >98 OBD-II PCM and how I might be able to custom program the system
to be
> > > > >more compatible with the modifications... (including tach, gearing,
> > > manaul
> > > > >trans, etc. etc.)
> > > > >
> > > > >I'm willing to spend time doing the research... but so far it
appears
> > > that
> > > > >most of the information on the web is related to older efi
> > systems.  I've
> > > > >considered the hypertech solution... but to me, it's only a duct
tape
> > > > >solution being that I can't fine tune the system to my needs.
> > > > >
> > > > >I'd really appreciate any information about the 98 pcm,
communication
> > > > >protocols, etc that would get me started in the proper direction.
> > > > >
> > > > >Thankyou,
> > > > >
> > > > >Albert Janetsky
> > > > >aj5242 at txmail.sbc.com
> > > >
> > >
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