1300 pistons in 1600

Guyslooking at running 1300 pistons in my 1600 is there anything I need to do to make them work ? Boring ect ect?
Carrying on from \"The Works Escorts\" forums of years past, RS Motorsport is dedicated to those small Fords from the Golden Era of Motorsport, namely the 60's, 70's and 80's.
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