RE: 4.7L TB

From: Barret, Matt (MATT_BARRET@earthtech.com)
Date: Wed Nov 24 1999 - 11:08:07 EST


YES!!!!! THANK GOD!!! JUST LIKE THE FERDS!!! I HAVE SOME GOOD PHOTOS IF
YOU OR ANYBODY ARE INTERESTED??
MATT

-----Original Message-----
From: GS- [mailto:GSWillhite@ualr.edu]
Sent: Wednesday, November 24, 1999 10:47 AM
To: dakota-truck@buffnet.net
Subject: Re: DML: 4.7L TB

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 -



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