Opinions on SDSEFI

[Drax240z]

I have the SDS EM-6E system on my 240z turbo, though I have yet to start the
car. I was very impressed with the build quality (anodized CNC parts) of the
SDS components, as well as with their customer support. I know more than
half a dozen guys that have run SDS on their Nissan 2.8L Turbo engines, and
I've yet to hear any complaints from them, except perhaps the lack of
datalogging. The price is definately right!

              Richard Lewis
       2B Mechanical Engineering
       University of Victoria, BC
http://members.home.net/drax77/newpage.html


----- Original Message -----
From: "Brian Michalk" <michalk at awpi.com>
To: <diy_efi at diy-efi.org>
Sent: Saturday, June 16, 2001 2:15 PM
Subject: Opinions on SDSEFI


> I joined this list a couple of months ago.  My goal was to find a reliable
> fuel injection system for my engine.  I bought KE jetronic parts because
the
> solution  was entirely mechanical, and appeared to be reliable.  Well, it
> turns out that the KE doesn't work very well for my application, so I
> studied the problem a little bit more.  After a couple of months of head
> scratching, I've narrowed my search down to the SDS EFI EM-6F
> (www.sdsefi.com) system.
>
> Some of you guys figured out on your own from my descriptions that I was
> trying to find something to work for an aircraft engine.  It turns out
that
> the SDS folks have sold a few installations to airplane guys, it appears
> they aren't as touchy as Americans are about the threat of litigation.
>
> First, I'd like to hear if anyone has any comments about the SDS systems.
I
> like them because they are simple, and this means fewer components to
break.
>
> Second, I'm trying to solve a redundancy problem.  I really don't want two
> EFI systems; I'd rather have two very different animals.  For redundancy,
> I'm looking for a single injector that can make about 250 horsepower.  It
> doesn't have to be sexy, but it does need to work reliably.  My thought
was
> that I could tap off the fuel rail and go through a metering needle valve
> before the injector.  This would mean a single control for the needle
valve.
> Yes, I know the fuel is unmetered.  I would be required to fiddle with
fuel
> flow and airflow to get the thing to work right.  Is there some other way
to
> meter this injector?  Manifold pressure perhaps?
>
> I've got dual batteries, mechanical and electric fuel pumps for the rest
of
> the redundancy.
>
> Thoughts and opinions welcome.
>
>  Brian Michalk  <http://www.awpi.com/michalk>
> Life is what you make of it ... never wish you had done something.
> Aviator, experimental aircraft builder, motorcyclist, SCUBA diver
> musician, home-brewer, entrepreneur and SINGLE!
>
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