have you considered the vw turbodiesel?

 

I did not even bother to read any of the previous responses so on that note.....

There are plenty of other swaps with basic support of parts/knowledge. Just because you have a free motor does not even factor into this decision as far as I am concerned.
There has only been one place where I know I can get Audi parts. That is from Audi dealerships. Lol.
Forget about saving gas. You will surely make up for any potential savings by overpaying for basic replacement parts.
It's just a bad idea (unless you have an engineering and electronics degree from MIT.

 

Agreed cool to see but not a peep out of op since created

 

might as well just throw a jag v12 in, it would be the same amount of work lol.

 

Now we're talking!

 

might be easier to bolt your trucks body panels on a lifted audi...