GM tbi

[Shannen Durphey]

Clare Snyder wrote:

> Shannen Durphey wrote:
> >
> > Steven Gorkowski wrote:
> >
> > > I have a Rochester Products T.B.I. unit it has stamped DESIGN UNIT and a
> > > number 17090003  next to a GM logo . It looks like a standard throtle
> > > body but has a solinoid that when 12v is applyed the throtle plates go
> > > to wide open. The unit had a tag that said it is for a 350 ci .Do you
> > > have any information on these units?
> >
> >   Hmmm.  Curious description.  Does the solenoid look like it's factory
> > installed?  Is this something someone might have modified?  Some of the 454
> > units had a vacuum controlled throttle stop which would keep throttle plates
> > from closing too quickly when shifting (manual trans).  Maybe solenoid was
> > installed there?  Or maybe it's just an idle speed control which is
> > mis-adjusted?  Anyway, I'll take a look and see if that number is good or
> > crosses over to something else tomorrow.
> >
> > Shannen
> Mabee something put together for a dragster - to pop the throttle open
> according to some kind of timer?
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  Could be, or maybe industrial powerplant with constant load.
Shannen