Chris

iTrader: (10)

I ran into a small, "dumb", problem. Whom ever owned this kit before me has made some interesting changes as you all have seen with external wastegate and what not.

The problem I have now is that the bung on the charge tube is too big for the jet air hose and I would need to run a reducer to get it to fit. I can do this but damn it will look ugly

so, my concern lies in the jet air connecting to the intake tube pre turbo (with check valve). Is it better for the car to have the jet air to see boost or does this really not matter?

RotaryMachineRx

iTrader: (1)

It doesnt matter if you have the check valve in place.... some people will say better to not see boost as there is no chance of blowing the jet air line from the steel line that it meets below the air pump

Chris

iTrader: (10)

^what? maybe you miss read the post or something

RotaryMachineRx

iTrader: (1)

^ sorry read it like this......... If you have the check valve in place, it does not matter if the jet air is pre turbo

Chris

iTrader: (10)

I know that, which is why I put that I would use a check vlave if going pre turbo. My question is, are there any advantages to running the jet air post turbo, as in seeing boost?

RotaryMachineRx

iTrader: (1)

.... some people will say better to not see boost as there is no chance of blowing the jet air line from the steel line that it meets below the air pump

As far as that goes I don't believe there is any noticable advantages performance or 'safety' wise with either set-up. But maybe somebody who has tried both would say different?...

How do you plan on capping the charge pipe connection? Recirc weld looks well done!

Chris

iTrader: (10)

I would have to have the bung removed and welded shut. which also would look pretty terrible but I can live with it.

the recirc weld turned out great. My buddy who opened his own shop not long ago has become quite good at welding

Cattywampus

Cut and close that hideous pole u got sticking out of the charge tube and run the check valve like mine.

Chris

iTrader: (10)

that still doesnt answer my question

Brettus

iTrader: (2)

No difference either way from a functionality point of view - just the increased chance of blowing the hose off as rotaryMCRX mentioned .

Chris

iTrader: (10)

well then. I will just cap off the charge pipe bung and place a check valve in the line pre turbo. thanks for the info.

Brettus

iTrader: (2)

that outlet from the charge tube would be handy all the same . I have mine hooked up to my BC and my guage on the UIM (quite useful to know what boost there is pre throttle plate).

Chris

iTrader: (10)

i have the fix 2 down at the turbo outlet pipe for the BC.

although, it would be nice to know the boost pre TB and post IC

Brettus

iTrader: (2)

that's fine for the line that goes to the solenoid . I'm talking about the line that reads boost . Most hook this to the UIM ..... I don't .




https://www.rx8club.com/series-i-major-horsepower-upgrades-93/where-did-you-plumb-your-boost-controller-into-uim-no-good-169316/

Chris

iTrader: (10)

makes sense. thanks.

but I still have an issue lol, the size of this bung on the charge pipe is too large, I will have to see if I can somehow reduce it down to a 1/8 nipple :/

9krpmrx8

iTrader: (46)

Does it? I am confused as ****. But then again my brain is much after being on the AT&T support line for 1.5 hours.

Chris

iTrader: (10)

dont worry man, things will start to fall in place and make sense... kinda

9krpmrx8

iTrader: (46)

Okay so where are you going to get your signal for your boost controller and where are you going to get your boost gauge signal?

Chris

iTrader: (10)

Well, from the way my kit is set up I can do what Brettus is saying, grab a boost reading for the BC from my charge pipe (which is pre throttle body) then I can get the boost gauge signal from the UIM (where the vfad connects)

9krpmrx8

iTrader: (46)

So you are going to Tee off from the Fix #2 location? Your only boost gauge signal is going to be from the VFAD connection? Thinking about a second boost gauge at all pre throttle body?

Chris

iTrader: (10)

I think you may be slightly confused.

The Boost Controller will have its own boost signal which I am thinking of grabbing from the charge pipe. The boost Controller solonoid will get a boost reading from fix #2 then feed it back to the wastegate.

The boost gauge will get its signal from the VFAD connection. I am only going to have one boost gauge

9krpmrx8

iTrader: (46)

Geesh, I am making this harder than it needs to be


So I need another fitting aside from the fix #2 on the same pipe?

Chris

iTrader: (10)

no, when I say charge pipe, I mean the c6 pipe

NgoRX8

iTrader: (1)

If you have a boost controller you do fix#2 using it. Instead of the line from turbo outlet to wastegate actuator, you do
turbo outlet->boost controller->actuator
the boost controller is suppose to be set up that way. It is the pressure source for the bc to control the wastegate with.

Chris

iTrader: (10)

ok so now im confused. Brettus made it seem like the BC gets another source of boost...