You will have to get a short screew driver to get to the back distributor cap locks.
Are you can mark the distributor and then loosen the hold down bolt and rotate it so you can get to the locks on the cap.
it is on the drivers side tucked against the firewall,under the dashboard. not easy to see
Usually against the firewall on passenger side attached to accumulator -large hose
Although Silverado is commonly associated with the most popular Chevy trucks on the roads today, the term Silverado actually only refers to the trim for the Chevrolet C/K pickup trucks and Suburbans from 1975 through 1999. Therefore, production is from 1975-1999.
1975 to 1978
1 - 3 - 4 - 2 The distributor rotor turns CLOCKWISE
Chevrolet makes the Silverado 3500. The Silverado name has been used since 1975 (at first only for the specific type of trim on some Suburban models). The luxury version of the Silverado is the Sierra line.
Against a Crooked Sky - 1975 was released on: USA: December 1975
Against Our Will was created in 1975.
Go COUNTERCLOCKWISE ( 1 - 5 - 4 - 2 - 6 - 3 - 7 - 8 ) The marked # 1 position on the distributor cap faces to the REAR and slightly towards the drivers side The engine cylinder / spark plug locations are numbered : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
Advertised Horsepower is---245HP @ 4000 RPMs.
The Fight Against Slavery - 1975 was released on: UK: 19 March 1975 USA: 5 June 1977
Against a Crooked Sky - 1975 is rated/received certificates of: USA:G