S4 conversion
It might be better to buy a used S4, or trade in for a 1.8t with an upgraded turbo.
The 12V are getting more available parts, so you could invest in what you already have. www.tdlracing.com has an engine rebuild that is supposed to put you at about 230HP.
Mike
if you are buying a wrack s4 "engine" it should comes with tranny and gear box and computer and harness
the plumbing might have problems too.
i've looked into it myself already also, might be better off use that $$ for a down payment for a new car
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that would be the best bet
i think you use your old key btw because as far as all the transplant i've seen in other cars, they use the old car keys



