New guy, lots of questions

[Pretaco]

I just bought an '88 supra without and engine and a '90 supra with and engine, and am in the process of putting the 90 engine into the 88.

I have most of it figured out (I am a mechanic, but no experience with turbos).

My first question is: the factory waste gate is wasted. Somehow a hole has been punctured in the actuator. I figure this is a good excuse to upgrade to a 'divorced' blow off valve. What exactly do I need to buy to make this happen?
And what do I do with the factory one?

What are good cheap upgrades to do for the turbo motor?

Anyone interested in blue interior trim parts and an r154 manual trans, and light blue body parts?

I figure I will part out the rest of the '90 when I get the 88 running.

Thanks,
Ray.