Hi all i have got a escort 3 door 1.3(ok dont take the mic)

on a k plate mk5b and i have just been given 1.6 cvh carb engine with 40.000 on the clock my question is this is it realy worth all the work to swap them over and the 1.3 dos not have anti roll bars fitted to the front so will i have to fitt them??? to make the car save any help will be great as am sitting looking at this engine not realy sure what to do thanks shaw109