You tried spraying some carb cleaner round all the inlet and pipes? You got free play in the throttle cable I take it. Advanced ignition would make it idle hight
I do need to splash some cleaning products over it. Looks smart clean, needs a lip kit going on that's sat in a shed lol this is going to get boosted next year after an engine rebuild
Realy need to clean this dirt inside and out haha you should see the black of it Got a few bits to go on this. Just need some time to do it. Will be cracking On with it next month