There is no such engine as a 350 magnum
About $325-$350
50-350 usd
$350
Vapor-lock in the carburetor.
A 383ci Magnum engine typically produces around 335-350 horsepower.
100-350 USD or so
comp cams magnum 270
50-350 USD or so
Bad coil Bad rotor
probably
50-350 usd
About $300-350, depending on condition, barrel, etc.