Well i'm considering just pulling the old 3k apart and replacing all the gaskets, maybe a new weber, and chucking it back in.
Thinking of getting something like this
http://www.ebay.com.au/itm/Toyota-Corolla-KE20-KE25-KE26-KE30-KE35-KE50-Full-Gasket-Set-3K-H-3K-C/272365504264?hash=item3f6a...