RE: Sherman tank myths debunked
The PzIV was a gasoline engine that is for sure. If I remember correctly the initial problem with the Sherman was the ammo wasn't "wet" stored, so any penetration set off the ammo which I don't think was a problem with the IV. Later they shielded the ready ammo to reduce ignition.
May be wrong, going off memory here.
Some of us are busy doing things; some of us are busy complaining - Debasish Mridha