i have swapd my 1.1 for a 1.8 cab motor but it idles very hi

im using the loom out of the 1.1. is their a comon fault it only idles high when it gets warm

what carb has it got on it

this 1 but it aint got the cabby loom on as i have the earlier fusebox on my car n the cabby had the later one. so not all the wires are connected to the carb  

http://www.vwgolfmk1.org.uk/modules.php?name=Forums&file=viewtopic&t=61457

does any1 have the wiring diagram for the carb and manifold? or know a link