Good Morning! As everyone knows by now Brian and I have been working with one of our sponsors to bring a readily available LS2 90mm TB flange for the Magnacharger Radix J-Tube. This will be a high quality piece machined out of billet, made from a blueprint, that takes all the guess work out of producing the proper flange. This will utilize an O-ring type gasket for ease of R/R.

What we need to know is, who is interested in buying one?

you would still have to cut the old one off and weld this one on, however, you will also be able to re-use the stock Radix intake tube as well. Is there any interest in having a service where you would send your J-Tube in for modification rather than having a flange sent to you.

What are your thoughts?

Responses to this thread will gauge what type of tooling will be created, so if your interested in buying one, don't be shy, speak up, this is our chance to bring a new item to market


Here are some prototype photo's of my Radix J-Tube Conversion via Richard @ WCCH. He has managed to help us out during a very busy time of the year, "Racing Season", when everybody needs their stuff done yesterday

This is prettymuch what the production run will look like. There are a few tweaks here and there that will further revise the flange/J-tube before they are released. On the units Richard modifies himself the inner weld bead will recieve a hand blending and your J-Tube will recieve a machining procedure to further enhance accuracy of fitment.
The flange started life as an 1 1/2" block of aluminum, which is exactly how much is machined off the J-tube for prep. The face of the conversion flange is indexed to the stock mounting position while the body of the conversion flange is slightly canted(or angled) so that it mimicks the original flow path of the J-Tube inlet area and so that the surface mounting area of the 90mm TB is oriented just like the stock flange. This will greatly minimize any fitment issues using the "Radix kit" supplied inlet tube. The tabs you see on the back of the conversion flange are there to properly position the conversion flange on the J-Tube so that the welding procedure is as accurate and precise as possible. As long as there is not excessive core shift with these castings we will see little in the way of issues. Whatever differences may arrise, the bellows of the radix inlet tube/MAF area will compensate for any minor variation. Other nice features are the perimeter of the conversion flange will follow the lines of the LS2 vette 90mm TB leaving the appearance looking clean and sanitary, and the factory O-ring groove will make replacement a breeze.

Now that all the fixtures are built and programs made, if/when you send Richard your J-Tube for modding the turn-around time should be fairly quick which equals very little down time for us. The details of conducting a J-Tube exchange program are being worked out and will take a little more time. Enjoy the pics

"This is my J-tube, there will be many like it, but this one is mine"















On a personal note: I'd like to thank Richard for all his hardwork, R&D, time and advice and BlownChevy for always helping a bro out when no one else could or would

 

Yes,
Put me down for one, Will the be instrucktions on where to cut your J-Tube, That part makes me kinda nervous, I bet if Magnacharger would offer just the J-tube poeple would buy it, I know I would, Also is the o-ring going to be included"
Mark

 

I am interested, not immediately due to $$ issues, but this is a mod I plan on doing at some time hopefully in the near future.

 

If and when I buy a Radix, I would definately want to do this mod as well.

 

I am interested in this aswell, I just bought my Radix from Tbyrne and it should be shipping pretty soon. Its to bad that I cant pay extra money so somebody at magnuson can do this modification for me before my Radix ships out of there shop. What are all of the parts that I would need to complete this conversion?

 

Im interested! I will do this mod for sure.

 

I'm interested. I suppose the cost will be determined by the number ordered but any ball park idea?

I wonder why you don't have an adaptor made that would bolt on to the stock Magnuson j tube and then the 90 mm would bolt onto it. It would take a different air tube also.

 

I do not understand,...why would I need to weld on this flange if I wanted to do a 90mm TB? Why not just outline the 90mm TB (or gasket) on the stock flange to mark out the extra material and have at it with a dremmel.

I haven't measured a 90 on the stock flange though, is it too large? Doesn't seem to be (thick and wide flange) but I could be wrong.

EDIT: I am just starting to read the other posts! Great info... I see more $$$ spent on the truck though.

 

Most of it is because of the 4 bolt flange on the LS2 throttle body vs the ls1 type 3 bolt design.

 

I'm in