Barret, Matt wrote:
>
> I got ballsy last night and removed my TB from my 4.7L. It only took about 5
> minutes, just 3 screws on the TB, and remove the CC and throttle cable. Just
> wanted to see what the intake mounting surface looked like. Well, looks like
> the maximum diameter bore for the TB would be about 2.75" or 69.85mm. They
> have eliminated the gasket style mounting surface and replaced it with an
> O-ring style mount. The O-ring is mounted in a groove that is cut into the
> mounting surface of the upper intake. The hole in the upper intake is 2.75"
> in diameter and the o-ring groove will prevent any modification to the
> diameter without big time engineering! The TB bore is 2.55" at the
> butterfly, and it tapers out wider in front and behind the butterfly. So,
> I'm thinking we could probably punch the TB out to 2.75" all the way
> through, this would give us and increase from 64.77mm to 69.85mm Max.
>
> Matt
So Matt, this sounds like a single bore TB("butterfly")??
GS -
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:19:30 EDT