Progressive NOS (WAS Re: Part 2: Reading Plugs, pistons, and valves (with Pics))

[Dave Zug]

I thought about this, and in typical fashion came up with the 'good enough'
solution... If you could lay out a module that simply accepted the solenoid
command, and put out a signal, that pulsed the +12v at a 50% rate for 1
second, then held the solenoid ON for the duration of the command then that
would do me a world of good.  My peoblem with using the 100 HP jetting in
the TPI plate system was that I could not activate it off the line like I
could do the 50 HP jetting. I had to activate the solenoid AFTER SECOND
GEAR, which netted very little gain over the 50 HP system activated just off
the line. (Can't say this enough - theres ALOT of time to be gained in that
first 60 feet.

A feedback (self choking) loop that is corrected 1 second after activation
should do it. I read a very clever post a few months back about using the
2nd gear Trans signal to activate the NOS (with a throttle switch etc of
coarse)

Sorry, no ECM content... the topic hit home (what I'm messin with, the
funnygas).

----- Original Message -----
From: Bob Wooten <r71chevy at earthlink.net>
To: <gmecm at diy-efi.org>
Sent: Sunday, December 03, 2000 7:00 PM
Subject: RE: Progressive NOS (WAS Re: Part 2: Reading Plugs, pistons, and
valves (with Pics))


> That is a great idea.  the only thing that could be better would be to
read
> in the fuel pressure & if you got a drop >XXXX psi shut down the PWM.
>
> BW
>
>
> > [Original Message]
> > From: Dig <turbodig at yahoo.com>
> > To: <gmecm at diy-efi.org>
> > Date: 12/3/00 8:07:39 AM
> > Subject: Progressive NOS (WAS Re: Part 2: Reading Plugs, pistons, and
> valves (with Pics))
> >
> >
> > >Date: Sat, 2 Dec 2000 23:18:38 -0800
> > >From: "Bob Wooten" <r71chevy at earthlink.net>
> > >Subject: Re: Part 2: Reading Plugs, pistons, and
> > >valves (with Pics)
> >
> > >progressive NOS kit.
> > >this is essentially a PWM controller that has both %
> > >in initially &
> > >time to
> > >100%.  this is a great way to control the squeeze.
> >
> > This brings up an idea I've been having @ 3:00 AM...
> >
> > Why not add additional table to the '749 Syty code
> > to modulate the NOS solenoids? The space is there,
> > and there's a nifty plaace to hook in the shift light
> > code. (Which you don't need on anything but a Quad4 or
> > a Sunbird turbo)
> >
> > You could modulate it by MPH (Like we do now with the
> > boost control), or by TPS, RPM, or both.
> >
> > Also, you'd have the ability to disable the NOS if you
> > started to get knock retard...
> >
> > I'm thinking this would work on a '730 as well, but
> > I'm
> > not conversational in the code for those boxes.
> >
> > Later,
> > Dig
> > turbodig at yahoo.com
> > '91 Sy - 12.43 at 108|Through the stock mufflers
> >
> >
> > __________________________________________________
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> >
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>
>
> --- Bob Wooten
> --- r71chevy at earthlink.net
> --- 71-91 Camaro
>
>
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