[Diy_efi] EFI for small 4 cyl ??

[comcast]

Thanks Scott
The info at megasquirt is awesome. Going to take me a while to digest it !!
Rick

----- Original Message ----- 
From: "Scott Campbell" <scott at ppscc.net>
To: "A list for Do-It-Yourself EFI" <diy_efi at diy-efi.org>
Sent: Monday, March 29, 2004 4:29 PM
Subject: Re: [Diy_efi] EFI for small 4 cyl ??


> Rick,
>
> Start here: http://megasquirt.info/
>
> Scott.
>
> On Mon, 29 Mar 2004 16:19:21 -0600, comcast <r_n_dnoah at comcast.net> wrote:
>
> > I am wondering if anyone makes a kit -or- if it is possible to DIY
> > cobble together an EFI system for the early Datsun 1200 series A engine
> > ?? I thought about just finding a system off of any Nissan and adapting
> > it (that is- manifold drilling/machining for injectors and adding
> > sensors). What I think bothers me, however, is that the 1200 engine is
> > smaller than most current Nissan engines. Might be neat to put an
> > "oversize" system on a future turbo application, but I am not going that
> > route. I am actually looking at seeing if I can increase the mileage
> > over the stock one barrel. I envision an engine that ought to be good
> > for 45 mpg yet still have some pep.
> > Obviously I will also be having to go to totally data-driven electronic
> > ignition as well, but those products are much more available.
> > I know that the "real" issue with EFI isn't so much the hardware but the
> > software, especially considering that the engine has no history of
> > anything but carburation to lean on. We're talking a low performance 2
> > valve per cylinder pushrod engine here (70-73). I am quite verbose in
> > software and don't think that part will be all that scary provided that
> > I can find a versatile EPROM setup that already has some sort of engine
> > management software available, so that one really only ends up making
> > fine tuning adjustments beyond hooking up the sensors and so forth.
> > I think that I am fairly surprised that there don't seem to be any
> > companies that make kits for retrofitting older Datsun/Toyota..etc etc
> > motors. Well, OK, I found ONE kit that can be fitted to a Toyota, with
> > some work, but it was over $2000 ...hmmm... a bit much for a car that
> > might cost $1000 used. Seems they are really trying to make the money on
> > a lot of stuff I can make myself such as fuel 'bars' and so forth. All I
> > really need is 4 injectors and the sensors and a totally programmable
> > management unit. Pretty sure I can do the rest (I have access to lathe,
> > shaper, drillpress, TIG welder, etc). Probably have to adapt a throttle
> > body from the junkyard.
> > Anyway.. any comments ???
> >
> > Thanks,
> > Rick
> >
> >
> >
>
>
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