It is inside the upper intake manifold. To get to it you must remove the throttle body, upper intake manifold, and several electrical lines and fuel lines.
In the throttle body.
It is located in the throttle body.
That is the round thing on the top rear of the TBI. The thing that looks like a carburetor.
Under the upper intake manifold, attached to the bank of injector poppets, aka "the spider".
Under the upper intake assembly
6
under the dash on the passenger side.
The recommended spark plug gap on a 1996 Chevy C1500 with a V8-305 engine is .060"
Inside the alternator.
Under the upper intake assembly
On a 1994 Chevy C1500 5.0 V8 it is the top valve with a black cover next to the coolant resivoir
off the driver side exhuast manifold