Compression method searching

Hi folks,
I have a BLFS 6.1 running and am prepared to build a LiveCD on it. However its size is about 1.3G. Please advise which compression method can I apply to bring it compressed to about 650-700 MB for burning on CD.
TIA
B.R.
satimis
I have a BLFS 6.1 running and am prepared to build a LiveCD on it. However its size is about 1.3G. Please advise which compression method can I apply to bring it compressed to about 650-700 MB for burning on CD.
TIA
B.R.
satimis