RE: Injector Duty cycle calculations

[Mike Rolica <mrolica@meridian-mag.com>]

Yep..stinking maf....
Mike Rolica
Plant A,
Magnesium Products Division
Strathroy

(519)-245-4040  Ext. 244



	-----Original Message-----
	From:	Bruce Plecan [SMTP:nacelp@bright.net]
	Sent:	Monday, July 24, 2000 1:57 PM
	To:	gmecm@diy-efi.org
	Subject:	Re: Injector Duty cycle calculations


	OK, 165?.
	Somedays, really hard just to word the guestions...........
	Grumpy



	> Efi...

	>Subject: Re: Injector Duty cycle calculations
	> > Oh.. this is not on my truck... this is race engines..
	> Ya, I got that.
	> > My truck was horrible from idle too 3000 where the cam started
to
	> work
	> > My bsfc were around .475 from 3000 till 4000 then they started
to
	> climb..
	> > and go goofy.. bounce around..
	> What for fuel metering were you using on the dyno?.  EFI, Holley,
	> SU,
	> Carter, TBI, Webers, <g> etc?
	> Grumpy
	> > Subject: Re: Injector Duty cycle calculations
	> > > and how wide of range did it run, a
	> > > band of a couple hundred rpm or several thousand?.
	> > > Usually 5500 to 7500
	> > Uhmm, this was with the 165??
	> > > Yes and can change in less than an hour... seen where engine
was
	> > > running  .39.. then set valve lash..
	> > > Had storm fron coming in.. next pull it ran .45's.....john
playe
	> > > with carb.. got it back down to .40~.41...
	> > Weather and a relash, and stuff changed that much?. That is
toooo
	> > cutting
	> > edge by a long run for a street motor, and that rate, you could
	> melt
	> > a motor
	> > by carrying a passenger, and pulling a long grade.
	> > > I agree... seem they have problems with exaust valves:-)...
run
	> > > really hot...
	> > Lean is watching the greenish sparks in the exhuast, and just
	> > knowing that's
	> > the exhuast valves leaving thru the ports (short primary pipes
	> > usually
	> > needed to see this).  Say a ----  one time dump sparks thru the
	> > mufflers
	> > once.  Hehehe, I won, he had a miss afterwards.
	> > Grumpy
	> 

	
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