Dual wastegate cooling cooling...
 

So the new manifold has been decided upon, will be running a dual scroll turblown manifold for my FC, so with that, now comes dual wastegates.

As far as the cooling is concerned of the new wastegates, is it necessary to cool them or only on certain applications, but saying that they get extremely hot so what could be the benefit of NOT cooling them...if any?

The next question is, how are people setting this up with the dual gates, where are you pulling your cooling from and will it detract from cooling anything else in the system, e.g turbo if you're teeing off from that?

I've sold many kits for years now with the new MVR wastegates and have yet to have one fail due to heat. Wastegate placement will contribute to heat failure so I can't say you shouldn't route coolant lines to yours as I'm not sure where Elliot places his.