spark plug gap

hi everyone! just got my first mk1 cabby, soo excited! the dream ( or nightmare, from what ive read…) starts here! not only am i just starting with the mk1 im also just startin with the internet( a must i thought so as to access your vastily superior knowledge!) so forgive me if this is a rubbish question… but your help would be gratefully recieved.

im changin the spark plugs but i dont know the gap size, i have a '87 1600 auto cabby, not injection.  could someone please tell me the correct gap? (havent got the the haaines as yet!)

 thanks in advance for any help.