Hi, Malc Clarry here from Sheffield in Gods country, Yorkshire. I'm coming down to do the IOW do, but decided to come down earlier to do your Rumble...
it makes me laugh, any and all messages/updates go straight on faceache and if we're lucky someone tells us mere mortals what's going on. now i'm not...
Before you do anything have you checked the vacuum modulator is working ? Make sure its getting a good vacuum. They are quite cheap and easy to swap...