[saltshaker]

You had sent me pictures of it when you bought them....Webers will smooth out the idle...I have been to Jims home and shop several times and would encourage you to talk to him. Brent is very approachable and a huge wealth of knowledge.I can send you the specs I used on my 428, not sure if the IDA and IDF carbs would be set up the same way...let me know if you want that info....if Jim set your carbs up follow his path! You can also contact Pierce Manifolds ....also very knowledgeable when it comes to Webers and FE motors
Jon