New List Participant - very new

[Jemison Richard]

Don,

Thanks a lot.  I'm beginning to get a lot of information and your suggestion
certainly helps.  

Rick
Indy

> -----Original Message-----
> From:	Don.F.Broadus at ucm.com [SMTP:Don.F.Broadus at ucm.com]
> Sent:	Thursday, October 01, 1998 6:47 PM
> To:	diy_efi at efi332.eng.ohio-state.edu
> Subject:	RE: New List Participant - very new
> 
> The new snowmobiles have FI, Polaris is one brand, you might want to take
> a
> look at. The injectors and Throttle Body
>  might save you some time. The ECM looks  totally sealed so not much can
> be
> done with that.
> 
> 	-----Original Message-----
> 	From:	Jemison Richard [SMTP:JemisonR at tce.com]
> 	Sent:	Wednesday, September 30, 1998 12:31 PM
> 	To:	'diy_efi at efi332.eng.ohio-state.edu'
> 	Subject:	RE: New List Participant - very new
> 
> 	Gene,
> 
> 	Thanks for your response.  So you're saying the new IAC I put in is
> not
> 	working correctly?  Just want to make sure I'm understanding my
> problem.  I
> 	followed the instructions as closely as possible.  Checked the
> plunger
> 	extension <1.125" prior to installatation.
> 
> 	On the bike (or any engine) - as the only DPFI I have any
> familiarity with
> 	right now is a Saturn, and as I've noticed that the plenum does a
> couple of
> 	nice things 1) houses the PPM, TPI and IAC and provide both ports
> and
> 	mounting points for the actual injectors and 2) these ports are VERY
> close
> 	to the intake port spacing on the engine I'm initially trying to
> adapt - I
> 	was thinking this piece would be a good place to start and would
> solve a
> 	good many of the mechanical problems.  I also believe in UFOs so I'm
> curious
> 	what your thoughts on this would be.  BTW, very soon I'll be able to
> scan a
> 	pix of this setup so you can see it better (you're probably not
> familiar -
> 	or interested terribly) in Saturn DPFI, ha!  
> 
> 	The other question you asked (air cooled is yes on my initial
> project).
> 	Inline 4 - which is what a good many of the performance bikes are
> today,
> 	hence important.  If I could get a system to work on this type of
> engine - I
> 	could get one to work on a good many bikes (with a large user base
> that
> 	might be interested).
> 
> 	Rick
> 	Indy
> 
> 	> -----Original Message-----
> 	> From:	mrvette [SMTP:mrvette at bellsouth.net]
> 	> Sent:	Wednesday, September 30, 1998 9:55 AM
> 	> To:	diy_efi at efi332.eng.ohio-state.edu
> 	> Subject:	Re: New List Participant - very new
> 	> 
> 	> on the Saturn,,...It most assuredly is the IAC.....on doing DPFI
> for any
> 	> engine...the hard part is the mechanicals...getting the injectors
> mounted
> 	> correctly, and a t-valve (air valve) in place.....if the bike is
> air
> 	> cooled
> 	> engine, you mite have a problem with an engine temp sensor,   also
> with
> 	> air
> 	> cleaners-filters,   all of this not so easy for the home mechanic
> on a
> 	> bike as
> 	> ALOT of metal fabrication is necessary.....GENE
> 	> 
> 	> Jemison Richard wrote:
> 	> > 
> 	> > Hello and let me apologize in advance for the level of my
> expertise with
> 	> > regard to electronic fuel injection.  I hope to learn much.
> I've been
> 	> very
> 	> > impressed with what I've heard in the last few days.  I have two
> 	> questions.
> 	> > 
> 	> > 1)  I have a '92 Saturn coupe with multiport injection.  It
> won't idle
> 	> very
> 	> > well at all and dies if the air conditioning is turn on (idles
> worse in
> 	> gear
> 	> > than in neutral also).  It also has a miss (sudden jerking -
> happens a
> 	> low
> 	> > to moderate speeds in gentle acceleration mode (20-40mph).
> Pressing the
> 	> > accelerator enough to go into passing gear eliminates all
> problems and
> 	> it
> 	> > runs fine - runs very well on top end also (for a Saturn).  I've
> changed
> 	> the
> 	> > IAC (my codes were pointing to that).  Oh that Idle Air Control
> Valve (I
> 	> > don't know what acronyms are standard yet!)  This car has a dual
> 	> overhead
> 	> > cam engine 1.9L.
> 	> > 
> 	> > 2)  The real reason I'm here is that I'm a motorcycle enthusiast
> and
> 	> want to
> 	> > design (or adapt if someone much smarter than me has already
> done this!
> 	> > This will NOT hurt my feelings any) an electronic fuel injection
> system
> 	> that
> 	> > would be generic enough in nature to fit many similar engine
> sized
> 	> Japanese
> 	> > bikes that were carbureted.
> 	> > 
> 	> >      At this point I don't even know where to begin.  Of course,
> from my
> 	> > perspective, existing units are attractive but reprogramming the
> control
> 	> > computers is a black box for me.  One thing I've toyed with is
> single
> 	> board
> 	> > computers (SBCs).  I worked a bit with process control in the
> 	> pharmaceutical
> 	> > industry about 8 years ago and got some experience programming
> these
> 	> guys.
> 	> > They're cheap and readily available and of late have a lot of
> 	> inexpensive
> 	> > digital and analog sensing options.  Big question is, has anyone
> gone
> 	> down
> 	> > this path and if so, is it worth looking at?
> 	> > 
> 	> >      I again apologize for what are probably pretty simple (and
> possibly
> 	> > silly) questions.  I'm just looking for some good initial
> direction to
> 	> > pursue.  Any help will be gratefully received!
> 	> > 
> 	> > Rick
> 	> > Indy
> 	> 
> 	> -- 
> 	> 
> 	> 
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