I was planning on putting a 1UZ V8 (4 litre lexus engine) into my calibra as a project. (ive bought this already)

Ive since sat down and thought about it, and if I have a v8 rwd calibra, I have no use for the sierra, there would just never be a time when I wanted to drive the sierra if I had that option in the garage too, so I decided that I have to pick one of them to ahve rwd, not have both as they are doing the same job, I was thinking maybe 4wd the sierra so its a bit different to the calibra in that respect at least.

This is a bit daft though, convert a 4wd car to rwd, and a rwd car to 4wd, all felt a bit like I was doing things just for the sake of them (which I was TBH as I like projects to work on)

Then I thought a bit about the saab 2.3 turbo engine that you can get monster power out of, and will fit the calibra's 4wd system believe it or not (same floorpan the GM2900 system!), and it suddenly occurred to me that I should keep the sierra RWD and fit the V8 to it, and keep the calibra 4wd and fit the 2.3 turbo, and that would be less work and actually better end results anyway.

Sierra will either get two GT30's or a GT42R, depending on the space, preferably the GT42R, as its twin scroll (ideal for a v8) and I have it already anyway.

So im just looking into essentially a feasability study on if the sierra V8 makes sense or not, if it doesnt I'll break the car for bits, and use an E36 instead.