[Nantucket427]

I want to hear Mr. Fixit's reply ?

but I can't wait to add my two cents about spacers.
I purchased the spacers from Summit because I think I needed them but I have been reluctant to put them on because the are really made of wood. I have had a backfire thru the carbs from time to time. Fire and fuel and wood don't mix. The metal spacer will conduct the heat almost as well as the manifold.

Now I will shut up and let Mr. Fixit continue.