Anyone in here running a Smoothboost controller? I just installed one on my Eforce but haven't driven it yet. It's pretty much finished up just need to hook up a "scramble" button and install the trim pieces back in it. Hopefully I'll have some feedback on it this weekend. It basically has an electronic servo that controls the bypass valve. Has a **** that you can set to lower boost levels and 2 wires, one can be used as a scramble button if you're on a lower boost level and one can be used to go to low boost. It's a pretty simple install and first impressions is it's a well made piece.

https://www.smoothboost.com/p-46-boo...oothboost.aspx

 

Interested to hear how well this works.

 

I'll let you know, I have a friend that has one on his CTSV. He's on Holley and can map out a boost curve with it.

 

I've got a friend and customer with one. He does his own work so I'm not installing it. He was asking me for advice on installing it though. That was after trying to get help from them in the form of more clear instructions and he left that conversation very frustrated.

 

It's a pretty simple install. You have key on power, ground and ACC position then it has 3 additional wires. A grey calibration wire, blue boost kill wire and an orange full boost wire. All you have to do is ground them to activate. I didn't do anything with the calibration or the boost kill. The full boost I connected to my Winmax stage 2 activation and to a push button on my steering wheel. If I'm running lower boost off the line I can have my Nos controller signal it when to go full boost or I can do it with the push button. I wired everything up and had the boost controller laying in my passenger seat to see how it moved while hitting the pedal and using the scramble" button. Then I mounted it. There's a stop on the servo that it needs to be able to reach in the full boost position make sure that's good and you're good to go. The open or low boost setting isn't that critical as long as it doesn't bind or go too far. I removed my blower lid so I could see what it was doing during the install. I haven't logged it yet but was able to go wot from a dead stop with it turned all the way down. The car still spun but it was moving pretty good. Before if I'd tried that it would have just been a smoke show. I'll get some logs and this week and probably make a trip to the track next weekend for some testing. Have him message me if he wants.

 

Looking forward to the results

 

Did a log today. On low it pulls about 8 lbs of boost. So far so good.

 

Pulls down to 8psi or pulls 8psi away? From full boost of 11-12psi?

 

Pulls 8 or more psi. 12 psi down to about 3 actually. There’s also a very noticeable difference in iat at lower boost. I was hoping for that and kind of expected it but didn’t know how that would work with the blower still spinning fast.

 

I was going to ask about IAT's and then noticed this. What were the changes that you experienced?

 

This is with very limited drive time with the controller but I feel like cruising iat's are going to be 8-12 degrees lower (again I need more data to confirm). Looking at a previous logs a 20 degree climb from 0-60 is typical with ice. On low boost from 0-60 it only climbed 10 degrees without ice. Once I get some more data I'll post it, right now I just haven't had a lot of seat time with it.

 

so you are making the blower perform like a centri?

 

Still working on shock settings for the track. Our goal is to get it to work at full power there. On the street or if prep is bad I’ll have the ability to turn power down for the entire pass or just in 1st gear. Also if I want to slow the car down to run a certain dial in or if I have to run 93 I can turn the boost down some as an extra safety measure.