Can someone point me in the right direction for setting up a MAC boost solenoid

[SS Ball3r]

Hey everyone. I had a very successful weekend finally getting the car running under boost. I have however noticed i have made a few creitical errors. I definitely hooked up the vacum hoses to the wastegate backwards, and likely have the EBC hoses wrgon as well. I ended up having the wastegeate hold shut and thank god i had overboost protection turned on in tunerstudio....The car pulled sooo hard though

Can someone point me in the right direction of how to a) route the vacuum hoses correctly, and b) set up the EBC settings in tunerstudio correctly? I clearly got it wrong the first go around, and I keep seeing conflicting ways to get things running.

Much appreciated, and my motor says thanks as well....

video for the hell of it: https://www.youtube.com/embed/0-OqW2By_HA

[JimsR]

What # spring you running?

[Robocop]

https://www.diyautotune.com/product/...-solenoid-kit/

[SS Ball3r]

6 psi spring in an on3performance 44mm wastegate. I had the hoses backwards and it was keeping the wastegate completelyshut, lol...Thank god for overboost protection.

[Hova]

The Mac solenoid is just 2 wires, they can't be hooked up wrong. The polarity doesn't matter. The top of the wastegate should have positive pressure, the bottom should have vacuum or atmosphere. You can hook it up accordingly with the Mac solenoid.

Where in FL are you located?

[SS Ball3r]

It's not the wiring, as you say, it's pretty muhc dummy proof. I have seen several differnt examples of plumbing the vacuum lines on the solenoid. I tihnk i have it correct now, but i have seen a number of differnt ways, so id rather confirm that what i have is correct.

What i know for a fact i did wrong is hook up the the wastegate vacuum lines oin reverse.

Also, I'm in the Tampa Bay area.

[SS Ball3r]

For reference, this is the diagram I went off of initially, but it would appear to contradict what DIY autune lists and what else I have seen online. This is why I am asking for help on the hose routing since I have seen it soooo many ways.

[someguy2800]

There are several ways that will work but the above photo is correct. 0% duty cycle will be wastegate pressure, higher duty cycles will result in more boost. The valves usually do not start to open until about 17% duty cycle, so it will take around 20-25% duty cycle to start making more boost.

[SS Ball3r]

So i could literally reverse the vacuum hoses on the solenoid and it woulnd't matter? I didn't think that was the case, but if so, that makes my life a lot easier.

[et89]

https://www.turbosmart.com/wp-conten...Y_12_rev-2.pdf
Page 7 and 9 might help you,

also MAC solenoids should have a diagram of the outlets on it, those diagrams have logic you should try to understand.
it does matter how you route the vacuum lines, but there are multiple options, all explained in the turbosmart instruction.

do you have a pic of the diagram on your mac solenoid?

I did the same BTW, hooked up the vacuum lines wrong...
my overboost protection was a intercooler hose poping off at 18psi saving my engine.

[someguy2800]

So i could literally reverse the vacuum hoses on the solenoid and it woulnd't matter? I didn't think that was the case, but if so, that makes my life a lot easier.

No the orientation is important. Unless your valve is different than most the orientation in the picture is correct.

[SS Ball3r]

https://www.turbosmart.com/wp-conten...Y_12_rev-2.pdf
Page 7 and 9 might help you,

also MAC solenoids should have a diagram of the outlets on it, those diagrams have logic you should try to understand.
it does matter how you route the vacuum lines, but there are multiple options, all explained in the turbosmart instruction.

do you have a pic of the diagram on your mac solenoid?

I did the same BTW, hooked up the vacuum lines wrong...
my overboost protection was a intercooler hose poping off at 18psi saving my engine.

I bought my valve brand new, but it didn't have any paperwork, diagrams, etc. That's why I have been going off of what I can find online.

[someguy2800]

Actually I was wrong, on the solenoids I have boost should be the right port, wastegate is the left port, center port is vented.

[et89]

Do you know the solenoid model number?
most have a number like: 35A-AAA--DDBA-1BA (for MAC)

your solenoid probably has the same diagram as this number.
Check this on google (sorry, I am too lazy to upload pics right now)
if this is the case,
https://www.innovatemotorsports.com/...1%20Manual.pdf page 7 should help you out

[someguy2800]

I bought my valve brand new, but it didn't have any paperwork, diagrams, etc. That's why I have been going off of what I can find online.

If it’s a Mac valve there is a diagram right on the valve

[et89]

If it’s a Mac valve there is a diagram right on the valve

This

[SS Ball3r]

1,2,3 numbered on a part a diagram does not make, lol...Especially when there are so many conflicting diagrams online. I have seen several where ports 1 and 2 are swapped and haven't actually seen a reason as to why, so hence my questions...

[et89]

I understand, My previous solenoid didn't have a diagram either, but if you know it is a MAC solenoid, and it has port 1, 2 and 3 on the part, follow
page 7 (for external wastegate) or 6 (for internal wastegate) of the innovate SCG-1 manual from my previous post.
this is corresponding to the same pages on the turbosmart manual from my other post.

I am 99,9% sure you will be good, since I checked a few MAC solenoids.

disclaimer:
If you blow your shit up, I am not responsible

[someguy2800]

1,2,3 numbered on a part a diagram does not make, lol...Especially when there are so many conflicting diagrams online. I have seen several where ports 1 and 2 are swapped and haven't actually seen a reason as to why, so hence my questions...

The little pictogram on the right side of the label is the flow diagram. Does yours match this?

[SS Ball3r]

I for sure have MAC valve, i guess i just don't understand what that pictogram is supposed to mean...especially in the context of there apparently being more then one way to hook up the ports.

That being said, I think I finally understand what I have done wrong so far. Thanks everyone for the feedback, I think I am well on my way now

[someguy2800]

I for sure have MAC valve, i guess i just don't understand what that pictogram is supposed to mean...especially in the context of there apparently being more then one way to hook up the ports.

That being said, I think I finally understand what I have done wrong so far. Thanks everyone for the feedback, I think I am well on my way now

If yours matches the picture above then it means ports 2 and 3 are connected when the solenoid is off, and ports 1 and 2 are connected when the solenoid is powered.

[SS Ball3r]

If yours matches the picture above then it means ports 2 and 3 are connected when the solenoid is off, and ports 1 and 2 are connected when the solenoid is powered.

Thanks for the simplified explanation. I believe I have everything correct now. I had 1 and 2 reversed which essentially caused a boost leak and no pressure to hit the wastegate.