If you're after a single carb setup I don't think you'll have much luck, but you never know what might be available since these engines are becoming popular with rodders. Quite a few people have done ITB setups on 1UZ's though so you could probably adapt something like that for multiple carbs, especially if they use a Weber pattern for the throttles.
As for ignition there's no mechanical or vacuum advance so your best bet would be to get an ignition-only ECU to run that side of things. I think Haltech does one?
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