any body using the mac valve for boost control

turbotypeR · Post by **turbotypeR** » Mon Jun 18, 2007 5:37 am

just was looking for someone using this solenoid to confirm that i am hooking up the wastegate lines right.i have the bottom port on the wastegate hooked to 1 and the pressure source, 2 hooked to the top wastegate port and 3 open to atmosphere.

Post by **Spunkster** » Mon Jun 18, 2007 10:13 am

copy and past the folloing into an Internet explorer window and hit enter:

mk:@MSITStore:C:\Program%20Files\SManager\SManager.chm::/boostcontrollerinstallation.htm

turbotypeR · Post by **turbotypeR** » Mon Jun 18, 2007 10:17 am

link didn't work

Post by **Spunkster** » Mon Jun 18, 2007 3:11 pm

IN Smanager, go to Help, contents and serach for boost control...read the boost control help topic.

turbotypeR · Post by **turbotypeR** » Mon Jun 18, 2007 4:04 pm

yeah,i have seen that.it is for the gm solenoid that i already have.i have changed to the mac valve,which is just like the aem normally closed valve

Upperguy · Post by **Upperguy** » Tue Jun 19, 2007 3:22 pm

how much was a mac valve compared to a AEM valve ?

turbotypeR · Post by **turbotypeR** » Wed Jun 20, 2007 6:09 am

I have heard you can get them for $25. I bought mine from ebay for $60

Upperguy · Post by **Upperguy** » Mon Jul 16, 2007 6:03 pm

how is the valve working out ? is they way you had it hooked up correct ?

turbotypeR · Post by **turbotypeR** » Tue Jul 17, 2007 10:46 am

The way I had it was correct. I haven't been able to use it yet though. I went the track, but only got 2 runs in. I tried 10% duty cycle on one run and 15% on the other. It only made wastegate boost. Later on, I found out that the solenoid doesn't do anything below 15% or above 90%. I haven't been able to get back to the track since.

2 0 3 · Post by **2 0 3** » Tue Jul 31, 2007 5:16 pm

turbotypeR wrote:The way I had it was correct. I haven't been able to use it yet though. I went the track, but only got 2 runs in. I tried 10% duty cycle on one run and 15% on the other. It only made wastegate boost. Later on, I found out that the solenoid doesn't do anything below 15% or above 90%. I haven't been able to get back to the track since.

Hey, what is with the "dial knob" on the top of the mac valve ? AEM's valve doesnt have this?

And you mentioned wastegate side to 1, charge source side to 2...

Im confused by this...

Wouldnt a pressure line from the manifold have to "T" off one to one of the inlets on valve and other to bottom wastegate port ? Then the other valve outlet/inlet to the top of the gate ??

Can someone verify this ?

And to make it even more confusing... I have 2 gates..lol

turbotypeR · Post by **turbotypeR** » Wed Aug 01, 2007 8:36 am

Hey, what is with the "dial knob" on the top of the mac valve ? AEM's valve doesnt have this?

And you mentioned wastegate side to 1, charge source side to 2...

Im confused by this...

Wouldnt a pressure line from the manifold have to "T" off one to one of the inlets on valve and other to bottom wastegate port ? Then the other valve outlet/inlet to the top of the gate ??

Can someone verify this ?

And to make it even more confusing... I have 2 gates..lol[/quote]
That is not a dial. It is just a piece of plastic. I assume has something to do with the way it is assembled. 1 has a "t" and goes to the pressure source(mine is to the compressor housing) and 2 goes to the top port on the wastegate. If you are using two gates, just "t" it off so both get the same signal.

2 0 3 · Post by **2 0 3** » Wed Aug 01, 2007 10:07 am

so when you say 1 has a tee and goes to pressure source...

do you mean from pressure source (comp housing) to the T, then from the T one line goes to wastegate bottom and other goes to MAC valve inlet #1

Thanks

turbotypeR · Post by **turbotypeR** » Thu Aug 02, 2007 7:03 am

2 0 3 wrote:so when you say 1 has a tee and goes to pressure source...

do you mean from pressure source (comp housing) to the T, then from the T one line goes to wastegate bottom and other goes to MAC valve inlet #1

Thanks

I'm sorry, I meant to say that 1 goes to the bottom wastegate port and the compressor housing and 2 goes to the top wastegate port.

I got it working last night. It worked much better than the GM solenoid. I had to use 50-55% duty cycle before it would do anything. I had to lower the solenoid activation to 10psi as well. I wound up with 50%=20psi,55%=30psi, 65%=32psi, and 70%=35psi.

2 0 3 · Post by **2 0 3** » Thu Aug 02, 2007 1:12 pm

curious as to what spring is in your gate?

Your saying you didnt start to see an increase till 50% and @ 50% it was 20psi ... so is 20psi the min amount of boost you can run ?

Thanks, wirirng and plumping mine tonite

turbotypeR · Post by **turbotypeR** » Mon Aug 06, 2007 10:34 am

2 0 3 wrote:curious as to what spring is in your gate?

Your saying you didnt start to see an increase till 50% and @ 50% it was 20psi ... so is 20psi the min amount of boost you can run ?

Thanks, wirirng and plumping mine tonite

I am using a .9 bar. It normally makes 15psi on the wastegate, but creeps to 20-25psi. So yes, 20-25psi is the minimum I can run right now. I think my creep is because I am outflowing my wastegate.

Hondata

any body using the mac valve for boost control

any body using the mac valve for boost control

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Re: ??