[olddog]

So, if the flat plane crank shaft is easier/cheaper to manufacture, allows more RPM, better breathing, thus more power, then why hasn't racing teams been dropping flat plane cranks in every block ever raced? Why don't I see advertisements for a flat plane crank and matching cam for every push-rod V-8 ever made?

Until now I never heard of the term flat plane crank. I thought I was well read, but obviously not nearly as much as I arrogantly thought. Anyone else caught off guard on this?