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Re: [TR] TR4 Fuel injection: Thoughts and Dreams

To: "Daehler, William F" <william.f.daehler@delphi.com>,
Subject: Re: [TR] TR4 Fuel injection: Thoughts and Dreams
From: "Joe Curry" <spitlist@cox.net>
Date: Tue, 30 Oct 2007 15:08:19 -0700
Here is what I did on one of my Spits.  It's design and application would
easily adapt to one of the wetliner engines using the same ECU and a larger
throttle body.  You would have to construct a manifold specific to that
application but that isn't really a huge obstacle for a fabricator.
http://members.cox.net/spitlist/EFI.htm

Joe C.

----- Original Message ----- 
From: "Daehler, William F" <william.f.daehler@delphi.com>
To: <triumphs@autox.team.net>
Sent: Tuesday, October 30, 2007 2:46 PM
Subject: [TR] TR4 Fuel injection: Thoughts and Dreams


> I was following the discussion last month about TBI fuel injection.  It
> seemed like a couple of guys on this list, actually have done the
> conversion, and it has worked with measurable success.  Made for great
> reading.
>
> So I clicked around, followed the links, and saw a picture that made me
> almost jump out my skin.  Hey,  we used to build that ECM right here in
> Milwaukee in my department!  About 20 years ago.  So many models, styles
> types, broadcast codes, fuel moding chips, memory chips; the technology
> constantly was evolving.  TBI, MFI, SFI, PFI, alphabet fuel injector
> soup.
>
> You would think we made an ECM somewhere along the line that would be an
> ideal candidate for the TR4 in line four banger. Hmm lets see, nope.
> Hmm, lets give it some more thought.   How about the 83 Buick Skylark,
> 2.5 litre Iron Duke.  Nope, the single carburetor was replaced with a
> single throttle body.  Oh,  maybe I understand the problem, the TR4
> needs a controller that can fire two fuel injectors.  And the order is
> 1,3,4,2.   What about some exotic GM L4 like Opel or Holden?
>
>
> I'm going to now paste in the following FAQ that I cut from from the
> Sidedraft website:
>
> Can I convert my TR4A or dual carbed MGB?
>
> The parts will fit the carbs nicely however the rub is that the firing
> order and manifold layout would deliver an uneven fuel mix if trying to
> use the GM ECM. Sorry to say that at present the GM TBI computer is not
> compatible with most dual carbed British 4 cylinder engines. We are
> working on this issue and expect to resolve it soon. Presently it will
> work perfectly on the same engines when using a single carb. Stay tuned-
> this may soon change! (Oct 07)
>
>
> So fellow listers, what do you think?  Should we convert now to fuel
> injection,  or wait until aftermarket parts start to appear for direct
> injection?  Bio mass?  Mr. Fusion retrofit kit?
>> http://autox.team.net/mailman/listinfo/triumphs
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