All good recommendations.
Always check and verify all the easy checks 1st as most times that's where the problem lies. I wouldn't start tearing things down until all easy checks are done.
I concur with going through your ignition electrical subsystem 1st, then progress to the fuel subsystem.
As an example, on 2 occasions my 49 216 started up and idled fine but had a terrible miss and lack of power on acceleration
and mid/high rpms.
1st time was a very loose coil wire. Once reseated it purred like a sewing machine again. It got replaced afterwards.
2nd time the rocker arm shaft had worked loose and it was only hitting on 4 cyls, retightened and it got me home. Lock-tight and retorque has kept it purring since.
Good luck
Dave
