1971 C-10 knocking sound and not reving past 3000 RPM

[AirSpeed]

Originally Posted by aruss99

Ok, thanks for telling me how to do that. Do I just pull the cap off of the distributer to see where the rotor is pointing? Trying to learn as much as I can. All of this help is very much appreciated

It's more involved than that. I would look up some YouTube videos on timing, it will help you understand how it works and help diagnosing the issue. As said above don't just assume it's the timing chain, it could be as simple as the distributor being loose and turning. The reason I mentioned timing is because you said you hear a popping sound and it won't rev to 3000rpm. Look up some videos on how timing works, it will help you understand. If you hear an actual knocking sound I would have someone look at it before you run the engine again.
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