'747 + 6 Cyl + Turbo?

[Shane Forster]

Hi, glad to talk to another 'crusier head! I do have a few questions
regarding your EFI conversion. First, which ECM did you use? Is it a
throttle body system? If so which TB did you use and what size are your
injectors? Did you recalibrate the chip? Does the knock sensor work on your
application? Did the EFI cause (or solve) any driveablity issues? Thanx for
your time and info!
Shane Forster
----- Original Message -----
From: <chetwagner at uswest.net>
To: <gmecm at diy-efi.org>
Sent: Wednesday, November 01, 2000 12:22 PM
Subject: Re: '747 + 6 Cyl + Turbo?


> Just to let you know, I did put EFI on my 77 FJ40 Cruiser with the
> 2F engine.  If you have questions, let me know.
>
> On 31 Oct 2000, at 12:11, Shane Forster wrote:
>
> > Hello everybody,
> > It's time to put fuel injection on my Land Cruiser. I've been a
dedicated lurker on the list for a couple years now and I think I've learned
enough to slap a throttle body system on the cruiser, or at least make a
valient attempt at it. I'm in my sophmore year of Mechanical Engineering at
Cal
> Poly from which I've learned some useful things that will apply to this
project. I'm not babbling this info to try to qualify myself, but to shed
some light on my background so you might be able to answer some questions I
have (if you might be so kind :). The project is as follows:
> > 1969 FJ40 Toyota Land Cruiser
> >     Vehicle Weight: about 3800 lbw
> >     Gearing: 4.11:1 diffs, 4 speed manual trans, 35" tires
> >     Motor: F engine: straight 6 metric clone of stovebolt six of Chevy
fame, .030                     overbore, .030 shaved block/head
> >                 around 3900 cc displacement, doesn't rev over 4000 RPM
> >                 cast aluminum intake for 2bbl carb, steel tri-y header
> > My current short-term goal is to simply install a throttle body/'747
system from a 4.3l GM truck or van. In the beginning I just want it to work
well enough to drive around daily. Question: Do you suppose re-programming
of the ecm will be neccesary? I assume the system would run without any
> mods due to the similarities of the engine displacement, but I don't have
any idea of how well it might run.
> > My long term goal is to turbocharge the motor with moderate boost (maybe
up to 10 psi), fabricating an exhaust manifold using the weld-el/sch40
method. I assume I will probably need to replace the MAP sensor with a 2 bar
unit, but I've not heard of anyone re-programming the '747 for turbo use.
> Is this feasible for a non EE like myself (I have programmed in C and
other lanugages though and have a grasp of basic electrical concepts)? I
would rather not fabricate a new intake manifold for port injection, that's
why I picked the '747.
> >
> > Please respond if you have any information you feel might help in any
way :) Thanx for your time and bandwidth everyone.
> >
> > Shane Forster
> >
>
>
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