I've got this intake manifold that I bought from a board member and he removed the windage tray and the hexagon plugs from the bottom of the intake before he shipped it to me. Who knows why... but now I have to transfer the stuff over. Does anyone know what size hexagon it is?

 

Find a bolt from the harware store whos heads fits in the "big *** set screw". Put it in some vice grips and you have your tool.

 

9/16"

 

You are a genius, I'll try that out and if it doesn't work I'll get the 9/16" as suggested.

 

I couldn't get a good grip with vice grips so I just welded the bolt to an old cracked socket and walla free tool.