Main Fuel Screw and Idle Speed

[ally406]

Hi Johnny, I've made some progress.

I wanted to get the gov mod done first before messing with the fuelling, so I did this last weekend. With a lot of trial and error I have the car idling nicely at 950rpm using the method you describe, and it's holding it's fuelling until about 4,600rpm which is great. I'm still not able to increase fuelling past standard but I think I have an idea why.

I'm now thinking that the buffer that the throttle arm rests on is my problem. This is pretty much acting as a stop screw which is why I think I've been having trouble adjusting the fuelling. I'm of the opinion I should remove it and try increasing the fuelling again. It's the part I've boxed in red, thoughts?