[Bruce Robles]

Most of the 1970's on up smog engines are designed from the factory to run retarded. If you upgraded your cam and and replaced the timing chain and sprockets with a factory or OEM unit, your engine could be out of time.
To fix this you must start over, install the cam timing chain sprockets that are compatable with the cam. Also some sprockets on the crank on after market units have as many as 3 different key way groves for differnent timing applications, so if you put all new stuff in, make sure the sprocket is lined up on the right key way groove.

Call the tech line at the cam manufacturer, and find out if your parts work with theirs. Don't waste your time with some guy behind a speed shop counter for the right information.