Ahh, so it was cheap to buy, not cheap to make go. Celica 5speed, big prop shaft and a pintara rear end with c'dore 28spline LSD aren't exactly free items!

I think something Japanese is more likely to be the outcome.

As in a 4wd turbo?

I wouldn't do that to a 120, they are just too valuable with no real advantage on dirt. My first Volvo was a 142, but after driving 164's, I felt a lot happier having the 4 door B pillar right beside me where the 142 just has the door + the 144 looks even slower than a 142, so that's the way I went.
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Three 164's, Two 144's, One 142 & a partridge in a pear tree.