Cross processing old Super 8 film stocks

[muzboz]

Hello!

Has anyone tried cross processing old Super 8 film stocks?

I have a bunch of old stocks...
* Kodachrome K40
* Ektachrome 160 Type A
* Ektachrome 160 Type G
* Agfa Moviechrome 160
* Agfa Moviechrome 40

And I understand that once they're a few decades old, they start to become colorised, and can even come out quite clear if they're really old.

I figure that these might be best used in an experimental way, if I try to process them myself, with some sort of cross processing. Has anyone tried this?

I hear that Film Rescue International in Canada are experts in processing expired film stocks, often processing old color reversal stocks in a way that results in a black and white negative!
And then telecine that to get a black and white positive that is much more defined than any color processing could have yielded from that old film stock.

Does anyone have any suggested recipes for processing some of these old color films using black and white chemicals, for example? Or am I just mad?

Thanks!

- Murray