GM tbi

[Steven Gorkowski]

The unit is factory all the way . This solenoid mounts are cast into the
main body and the linkage is a integral part of the unit which connects
to the throttle plates. Any help would be appreciated .

thanks
Steve Gorkowski

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