No engine power???????
 

1980 20R, have replaced carb, added header and fresh pipe. Now that the truck doesn't sound like a lawn mower, it cant get out of its own way. From a previous encounter with a ford 351M, could it be a warped crank, or perhaps a dead cylinder? Engine doesn't smoke, skip or anything that would suggest the ignition issues.... Any ideas? Or might it be beyond the engine, transmission....?