I managed to split my ETH and ETC using this method by a Reddit User cryptopascal
https://www.reddit.com/r/ethtrader/comments/4uo5iz/the_nobrains_trick_to_separate_your_eth_and_etc/
https://www.reddit.com/r/ethtrader/comments/4uo5iz/the_nobrains_trick_to_separate_your_eth_and_etc/