Please recommend me best settings (source: gsa proxy scraper)

Please recommend me the best settings
remove bad proxies older than
automatically search for new proxies every
Threads
Timout
And other options
I'm using proxies from folder
source : gsa proxy scraper
And other options
I'm using proxies from folder
source : gsa proxy scraper

Comments
remove bad - 60 min
threads - 50-500
timeout - 5 sec
I'm using proxies from folder