hey guys what do u use to port the lower intake of the TPI..... my friend has a mustang and he took it to a shop to get his gt40 intake ported and it looks as if they used a bore hone the one with the ***** on it....... i blew up my motor and now need to port stuff to make it breath..... please all help is needed

 

I used a dremel with a flex shaft on my plenum


and a die grinder on my base.