Andy,
I checked under the hood, and yes, it is a MSD 8683.
B.


"Brian" > wrote in message
...
> Hey Andy,
> Without running out to the truck to be sure, I believe it is this one.
>
http://www.jegs.com/cgi-bin/ncommerc...90&prmenbr=361
> #121-8683
> I can double check if you like, of just give Jegs a call.
> It was easy to install, you tap into a couple wires at the coil, power and
> ground the box, and run the wire and knob to the dash.
> It is CA smog legal too, or at least was a few years ago.
> I'll double check the info if you like, lemme' know.
> Brian.
>
>
> "AndyW" > wrote in message
> ...
> > Brian:
> >
> > How does this MSD box work/mount? For my vehicle below, what special
> > modifications would I need? I went to this link and there's two
different
> > types of units. Which would I need?
> > http://store.wpsracing.com/msdadtimcon.html
> >
> > Appreciate the education.
> >
> > Andy
> >
> >
> >
> > "Brian" > wrote in message
> > ...
> > >
> > > "AndyW" > wrote in message
> > > ...
> > > > Thanks to all for the replies and suggestions. I'm looking at the
> > budget
> > > to try out some of this stuff.
> > > > Andy
> > > >
> > > > "AndyW" > wrote in message
> > > > ...
> > > > > Is there a way that a stock throttle body on a 1994 GMC K1500 350
> can
> > be modified with larger injectors? A bit more fuel with a ram air setup
> > > and headers should equate to a bit more snort, right? Any sources for
> > getting parts of this nature? Looking for opinions and any advice that
> might
> > be helpful.
> > > > >
> > > > > Thanks.
> > > > > Andy
> > > > >
> > >
> > >
> > > I've thought for a while about getting one of these to "trick" the
> > computer into running more rich. Seems a little pricy for what you get
> > though.
> > >
> > > Also, I run a MSD adjustable timing module. Its a slick deal that
gives
> > you a knob on the dash, allowing you to adjust the timing on the fly.
> When
> > you
> > > choose to, you can run premium fuel, bump the timing up a little, and
> feel
> > it pull noticably better. Conversely, if you get a tank of bad gas, or
> are
> > > towing, you retard the timing so it doesn't ping on you.
> > >
> > > Later, B.
> > >
> > >
> >
> >
>
>