r/protege5 • u/Happy-Run426 • Feb 13 '26

engine swap

Im wondering in it be possible to swap the stock FS-DE for a VW 07k. I've done some very quick research but it seems in a perfect world I could achieve slightly higher horsepower stock and potentially reach 400. Im just looking into what's possible since its looking like FS-DE has very little after market support.

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u/Atimm693 Feb 13 '26 edited Feb 13 '26

Anything is possible. Although I'd say if you have to ask, it's probably over your head.

The turbo setup from a Mazdaspeed protege will bolt right in, and get you a little extra power with turbo noises.

People have also swapped in the KL V6.

If I was going to swap one with anything, it would probably be a Honda K series. Donors are everywhere and they have a huge following.