Lee Ament of Ortiz Performance hooked me up on a VERY quickly shipped BBK 70mm throttle body (yes, it IS from 1 2005-2010 V6 Mustang).  Been thinking bout this mod but was never 100% sure it fit until I came here.  Anyway,  got it and test fit it to the intake manifold I have sitting on the bench.

Although it is an awesome piece, there were two small details my OCD had issues with.  1) I’ll be porting the intake manifold just that small bit to get it to match the TB, but have some concerns about how close it comes to the ring-style gasket groove if I do that and 2) the bolt holes where a bit larger than the hardware and just fit very sloppy.  If you ever wanted it dead-nuts centered, you’d kinda have to eyeball it and tighten it down.  Well, I figured I’d address issue #2.

I had some 5/16″ OD 304 stainless tubing laying around and decided to see if there was any sort of “dowel” setup I could do. Lucky for me, the holes in the TB are EXACTLY 5/16″.  The OD of the tubing was soooooo snug (insert joke here).  And the ID for the hardware sooooo perfect.  So only problem was…the recessed holes in the intake manifold weren’t 5/16″.  Well, tubing was easy, measured what I needed and cut a few pieces on the lathe (you only need 2 to center).  Unfortunately, the intake manifold doesn’t lend itself to be easily mounted on a table for a mill, so I had to do this one by hand…just took a 5/16″ drill bit and sunk it in about 1/4″-3/8″ deep.

Slapped the dowels in place, and fit is perfection.  No movement whatsoever, centered exactly to the opening of the intake manifold (which I will now port to match) and all this with some extra tubing laying around and a quick turn of the lathe and some careful drilling.  Viola!

BTW, I now sell these kits as a complete set with everything you need.

BBK 70mm vs stock.  Stock is 65mm, for those who were wondering.