BMX Crank swap

[tricksta]

Im looking into restoring a GT BMX I have sat in the garden and was wondering if it is possible to change out the existing one piece crank for one of the new/more modern/tougher three piece crank systems?

Any info/help would be appreciated

 

[GrumpyGregry]

any use?

 

[tricksta]

Thats a great start thank you! At least now I know it's possible.