Almost looks like an infomercial the results are so dramatic. Was posted up on the SOHC site I think - full write up at www.vintagebmx.com which is a site I'll hopefully join once I retrieve my old Mongoose Pro Class and GT Pro from my cousins now that they're done with them. Flashback to 1983.
http://www.vintagebmx.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=4;t=004702;p=1
http://www.vintagebmx.com/cgi-bin/ultimatebb.cgi?ubb=get_topic;f=4;t=004702;p=1