Okay, I was wondering if those of you with failed uppers can quickly let me know if it was a rochester or delphi unit, and the year of your car...

matt

Mine just failed last month (assuming for the second time since it was marked 2001). This time I got the newly redesigned (not series 3, tho) Upper and Lower intakes. Cost me a penny or two extra for the work.

My upper was a Delphi, but it hadn't failed. I bought a new intake (thinking that my old one was melted as I was doing the project as preventative maintenance). When I unbolted it, to my surprise, it looked like new. Regardless, I still bolted on the new on that I bought. It, too, is a Delphi.

The lower gaskets on the other hand....

My original was a rochester and had signs of burning but no failure.
Installed a Delphi.

i also have a rochester that hasn't failed. my lowers were shot though.

Ditto. Turned out all I needed was a TB gasket.

uh, right.

anyway, on topic...

The LS7 has a composite manifold as well. It'* lighter, easier to build complex tunels with, and cheaper. The only reason they fail in L36'* is because of the EGR stove-pipe touching them. An L27 composite intake flows better then the original 3800 one as well.

bingo.

composite intakes are great (they're used on the ls1, 2, 4, and 6, btw), and they're usually nothing but benefits. but someone goofed up a little with their thermodynamics, and we're paying the price for it. so it goes.

get with the program since your a northstar