Micra chugging and losing power temporarily

I got a little Micra (97 1L 3DR Vibe) last night, clutch is high, but I can sort that. All was great until about 30/35 miles into my drive to work this morning at about 70mph when for a couple of seconds all power seemed to go! It felt like the car was about to stall or if it was about to run out of fuel. After it happened once it happened again about 5 times, recovering each time after about 2 seconds.

I had just under half a talk of fuel. No lights came on. The issue (so far) only seemed to occur when above 60mph.

Any help would be great. I currently have my old Micra (94 1.3) and this didnt happen, so with a little luck I can source all the parts i need from that.
 
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