I didnt do it, the previous owner replaced the timing, the it started rattling so he sold it (to me). I think the original ford chain was stretched hence the replacement, but I have the original ford runners/guides and tensioner here, im going to put those back in, the original tensioner is fine.
its a pretty stupid idea to use these plastic clip guides though, I can see why they break.
the brand that was put in was "Nason" kit, I would steer clear of them.