The Swift engine and the later 413 engine are the same engine block and should just bolt into place. The difference is in the head and the distributor feed etc. which means it will foul the bulkhead.
There is little or nothing to be gained from putting a 1.3 Swift engine in. Yes the Swift is the same engine but in a higher state of tune and this puts the power at the high end of the rev range and you want low speed torque for offroading.
You would be better off looking at a different engine such as a 1.6 Vitara or Diesel engine