MDJuly 16 2017 at 8:56 AM
|Frank Alessio (Login fsa70)|
Response to About 1980 or a little before
It was my understanding that they did in fact go to the double spring like the FWB 300S. From what I've read, the "inner" small spring didn't really amount to much so it was discontinued. BUT, this is only what I've read and don't have first hand knowledge.