If you are in a dog fight with any jet plane you should keep your speed 400kts or better, and at least 3000 ft AGL to correct for pilot error departed flight.
You get in a 1 on 1 with a MIG in a 102 and you have advantage, like he passes in front of you and you are about 2-8 miles away and you can send a missle at him, maybe then tangle, but the 102 like all the century series fighters, you have 2, (3 whips if you are MACH .9 somthing It takes an act of God to get a 102 above the MACH 1 meter loaded out for a mission) of the stick before you hemorrhage all you air speed, and the 102 takes a lot longer to get speed back than it does to get it rid of it. Good luck I would rather dogfight a MIG in a P-51D strike that a P-39Q than a 102 anyday.