Heya sonic88,
To be honest I've never had to do anything like that.
...but you could try creating a new host file as detailed here from OsabaKoldo:
http://eab.abime.net/showpost.php?p=...postcount=1121
In terms of warp mode, take a look at this recent thread:
BOOST key
I'm sure by using a combination of both things above you should be able to achieve what you're after without having to adjust all configurations
