Interesting info, thanks.

In replacing the pipes, all I did was pull the old ones off and slide the new ones on. I didn't remove any fittings.

When I took the plenum chamber off, the gasket to the inlet manifold broke/was perished and a 1/2" chunk came away. When I put it back on I pushed this bit back in as I tightened it - so the gasket really needs replacing. The main air supply hose into the plenum chamber also has a small split where it pushes over the join - so needs replacing as well. There's no sound of air escaping or being sucked in, so I'm winging it at the moment - I talk about "preventative maintenance" - but not to good at taking my advice

TBH although my clutch does judder - I'm not going to be replacing it soon. It will be useful to have as many pics as pos when I come to do it - but whether I can find those threads at the time is a long shot

Well this looks like the culprit just managed to get it out after 2hrs what a bugger it was completely seized with carbon took forever this was in the bottom the remains of the washer screw driver and blutack did the job . New one fitted about to chuck it back together and test it also done the others not just one ha ha

Wow different car altogether now ticks over smooth loads of power small puff of smoke when I put my foot down next job service
Thanks for all your help and info
Joe