V6 Vortec to V8 Vortec Conversion

[Gary Heuston]

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
> >
> >---------------------------------------------------------------------------
> > -
> > >To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> > >in the body of a message (not the subject) to majordomo at lists.diy-efi.org
> >
> > --------------------------------------------------------------------------
> --
> > To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> > in the body of a message (not the subject) to majordomo at lists.diy-efi.org
> > --------------------------------------------------------------------------
> --
> > To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> > in the body of a message (not the subject) to majordomo at lists.diy-efi.org
> >
> > --------------------------------------------------------------------------
> --
> > To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> > in the body of a message (not the subject) to majordomo at lists.diy-efi.org
> >
>
> ----------------------------------------------------------------------------
> To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>
> ----------------------------------------------------------------------------
> To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org