Quote:
Originally Posted by Quadcammer
to bring this up, I've had a hard time finding decent audi v8s in my area. One engine that appears quite similar that has come up is the VW phaeton 4.2 v8, which I have to assume has the same bolt pattern and size as the audi v8, which I'm guessing is mostly identical. There are low mile versions of these motors for cheap and they make 330bhp
Any insight about this motor would be great.
thanks!
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There are subtle differences between the audis and vw V8s, mostly in the internals if I recall correctly. You can find detailed factory manuals on both of them to read more (it's been a while since I've looked at them but I don't recall the specifics). One thing to definitely look at though is whether it is an fsi generation - if it is, it becomes much more difficult of a build because these require factory harness and ecu's to run (unless you are going to run motronic, which is hella expensive). This then complicates other issues such as transmission(phaetons weren't offered in a manual) and other peripherals (factor MAF, sensors, etc). The ecus can be modified (nefmoto is an entire community dedicated to this) but be prepared to dive balls deep if you want any chance of doing it right.
Disclaimer - I don't have any direct experience with these motors. This is just what I learned in researching the swaps a few months back.
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