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Can't disagree with that! :nod:

I remember changing inj's back in the day before we started notching the tops of the bore holes for clearance. :(

To 90% of the builds out there, prob nothing. lol As most prob wouldn't notice any difference because their set-up just isn't ever going to be dialed in enough and built to any given tolerance enough...

FYI That piece is adding length to the runners, not volume to the plenum ;)

So more Total volume to manifold due to longer runners. There Is a difference ;)

Good info Barry!

Also keep in mind that how large the top of that runner will become is in direct relation to the size of the port at the head ;)

I think the point is that a larger TB than what the neck/manifold can use would be a negative.

Like I said, we never even tried a 58mm on the 2 piece. Just didn't look like enough material for it...

That's what the peanut gallery was saying back in 2002/3

Some things have changes since then.

Gotta be thankful for that!

Way back in 02? We started what we called the Fully ported 2 piece. At that time, and because comments were made about gasket matching the 2 halves of the manifold being a serious problem, people do...