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Old Oct 25, 2018 | 11:09 AM
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Default Boost controller options

My fellas, I'm back to pester you once again. not really, but I didnt find what I was looking for...so I'm here, if there a thread like this i somehow overlooked, please link it..... I'm in the market for an electronic boost controller. I wanted to get you guys opinions on whats a good choice for my needs and my budget. I'd like to stay under $400-$500 and I want somethings user friendly and Also have a way of running lower boost in first gear and maybe second gear too. What have you run and how do you like it?
so far I'm aware of:
AEM TrueBoost
Eboost
Eboost2 (which does boost by gear but I've read its not that great?)
Innovate Motorsports SCG-1 Which is a boost controller, wideband and shift light all in one. I like that, eliminating one of my gauges
Greddy Profec which looks really neat and possibly easy to adjust.
Then theres an MSD one but that one is high as giraffe booty so i'm not interested.

Anything else? If your using one one these, please, post your thoughts on it. Thanks!
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Old Oct 25, 2018 | 11:57 AM
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I'm using the AEM TruBoost. It's been on my Turbo LT1 (2008 -2014) and now on my Turbo 5.3
Good stuff
  1. Simple to install
  2. History function is really nice. You can keep your eyes on the road while you blast and then go back afterwards and see how high your boost was.
  3. You probably know this from the literature but you have four settings. Preset your 'A' boost level, Preset you 'B' boost level, a 'scramble' boost level activated by a 12 volt momentary switch and of course 'off' which is just running of the wastegate spring.
  4. Configurable display to show KPA or PSI
  5. Set alarm for overboost
Limitation
  • No ability to tailor boost level per gear as you mentioned.

Overall, I'm very satisfied with the cost/benefit of the AEM Truboost.
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Old Oct 25, 2018 | 12:28 PM
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Thanks for your post. What is scramble? And does it have an input to raise boost? In other words, does it have an input that I could use a switch or something to raise boost?

the reason is I could create a circuit that would get an input when the ecm commands second and third gear and raise boost in those two gears.
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Old Oct 25, 2018 | 12:50 PM
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His also makes a couple different ones and GFB G-Force 2 is another one.

so the GFB Gforce does have boost by gear. Has anyone used this one? How good is it? Killer price and I like how I can make it green to match my factory light colors.

Last edited by Kfxguy; Oct 25, 2018 at 12:56 PM.
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Old Oct 25, 2018 | 02:29 PM
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Interesting option. Yes, I could see how scramble could be implemented with a relay to give you extra boost when commanded.
Scramble is a 3rd setting that can be activated at any time by applying 12 volts to the input. So lets say you've set the boost controller to 'A' and you've manipulated the settings ( you can add or remove a percentage with buttons on the display ) to yield 15psi. You've also used the controls via the programming/editing for scramble to be 21psi. Now, you're driving on the highway, minding your own business but then a pesky Subaru STI pulls besides you, downshifts, and starts honking three times. You downshift and on the 3rd honk you're both flooring it. To your astonishment, the STI starts slowly pulling away from you. You mutter, "Oh Yeah?" as you flip open the ashtray lid and press the momentary button to activate your 'scramble' settings. You reel in the STI, start flashing your flashers as you pull ahead of him.

So yes, If you were instead at the strip and took off in 1st and or 2nd with the 'A' setting, then activated 'scramble' for the remainder of the pass, I could see that working out.
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Old Oct 25, 2018 | 03:16 PM
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Originally Posted by mightyquickz28
Interesting option. Yes, I could see how scramble could be implemented with a relay to give you extra boost when commanded.
Scramble is a 3rd setting that can be activated at any time by applying 12 volts to the input. So lets say you've set the boost controller to 'A' and you've manipulated the settings ( you can add or remove a percentage with buttons on the display ) to yield 15psi. You've also used the controls via the programming/editing for scramble to be 21psi. Now, you're driving on the highway, minding your own business but then a pesky Subaru STI pulls besides you, downshifts, and starts honking three times. You downshift and on the 3rd honk you're both flooring it. To your astonishment, the STI starts slowly pulling away from you. You mutter, "Oh Yeah?" as you flip open the ashtray lid and press the momentary button to activate your 'scramble' settings. You reel in the STI, start flashing your flashers as you pull ahead of him.

So yes, If you were instead at the strip and took off in 1st and or 2nd with the 'A' setting, then activated 'scramble' for the remainder of the pass, I could see that working out.
Cool! so yea thats something i'm interested in.

btw, I hope id never have to be on 21 psi to pull a suburu lol! I had this similar scenario happen with sti a couple weeks ago. Not sure what they had done to it but it was loud, I still walked away on 6psi like nothing. not sure what 6 psi would add to about 400 tire i already had.....

Last edited by Kfxguy; Oct 25, 2018 at 03:22 PM.
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Old Oct 26, 2018 | 03:45 PM
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Originally Posted by Kfxguy
My fellas, I'm back to pester you once again. not really, but I didnt find what I was looking for...so I'm here, if there a thread like this i somehow overlooked, please link it..... I'm in the market for an electronic boost controller. I wanted to get you guys opinions on whats a good choice for my needs and my budget. I'd like to stay under $400-$500 and I want somethings user friendly and Also have a way of running lower boost in first gear and maybe second gear too. What have you run and how do you like it?
so far I'm aware of:
AEM TrueBoost
Eboost
Eboost2 (which does boost by gear but I've read its not that great?)
Innovate Motorsports SCG-1 Which is a boost controller, wideband and shift light all in one. I like that, eliminating one of my gauges
Greddy Profec which looks really neat and possibly easy to adjust.
Then theres an MSD one but that one is high as giraffe booty so i'm not interested.

Anything else? If your using one one these, please, post your thoughts on it. Thanks!

Not sure how simple it is, but the Cortex is the only one I'd consider. NONE of the above offer boost by gear in a sensible fashion. And I wouldnt trust Innovate.

On paper, this offers a lot for the money and is one of the only ones to offer a true boost by gear feature.
https://sirhclabs.com/

For basic and simple, Profec B or EBoost Street would be options. Although I think they stopped making the Profec B years ago, not sure what the current stuff is like.
Gizzmo do some easy to use stuff too if they're still around, but the Cortex is what I'd be looking at.
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Old Oct 26, 2018 | 05:01 PM
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I forgot about the cortex. I guess I didn’t really consider it because I wasn’t sure what options I needed to get. It does seem like what I want. I emailed the company to see what I need. Keep you guys posted.
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Old Oct 26, 2018 | 05:53 PM
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yeah that one does look tasty
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Old Oct 26, 2018 | 09:38 PM
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Guy emailed me back. He said all I need is a solonoid which is $20 extra. And it would raise my boost 2-3 times what my spring is. Perfect. That means I can put a low spring in it for first gear and ramp it up. I think I’m gonna try that one.
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Old Oct 26, 2018 | 10:54 PM
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wow the more i read about that cortex the radder it sounds. inputs for meth pressure and flow which you can use to output both a pwm signal to your meth pump and an boost cut for if your meth system fails

and everything is adjustable in 2 and 3d....real tables!

and the base kit is only 300 bucks?
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Old Oct 26, 2018 | 10:55 PM
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https://rover.ebay.com/rover/0/0/0?m...2F163319183450

I am using this on my new set-up but have not got the car back together yet. Read up on it a lot
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Old Oct 27, 2018 | 04:11 AM
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Originally Posted by truckdoug
wow the more i read about that cortex the radder it sounds. inputs for meth pressure and flow which you can use to output both a pwm signal to your meth pump and an boost cut for if your meth system fails

and everything is adjustable in 2 and 3d....real tables!

and the base kit is only 300 bucks?
Really, most controllers are excessively expensive...it's not that this one is cheap. It does look like great value. Although as always, more options will always mean more setting up, but at least you can get what you need in the absence of a full standalone ecu doing the job.
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Old Oct 28, 2018 | 10:51 AM
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I really like my scg1. Havent Had the first issue with it in 2 years, I have also retuned several times with an aem wideband to compare against and they were pretty close. The aem signal is a lot more bouncy however where the innovate is pretty Flatish. I wish it had more features like meth control etc but it's pretty sweet as is. It also has a afr failsafe where if the afr goes leaner than a certain point, that you program, it dumps boost back to gate pressure.
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Old Oct 28, 2018 | 01:05 PM
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Originally Posted by truckdoug
wow the more i read about that cortex the radder it sounds. inputs for meth pressure and flow which you can use to output both a pwm signal to your meth pump and an boost cut for if your meth system fails

and everything is adjustable in 2 and 3d....real tables!

and the base kit is only 300 bucks?
ive been mulling over which one to buy all weekend long. The cortex does sound promising but I can’t find any customer reviews on it. There’s one guy on YouTube but there wasn’t much said. If I decide to get one, you guys will definitely know what I think about it. I actually had my mind set on the profec but now I’m rethinking that. If I do get a cortex and it works out good then my buddy is getting one too because I’m building his turbo setup on his gto.
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Old Oct 28, 2018 | 04:34 PM
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I have always ms3 everything i had before my present car which i use the stock ecm on. So i had an extra ms3 laying around i installed it and use it for boost control, meth injection control, nitrous control, traction control and to run 8 extra injectors to use for boost enrichment. I have had everything but the injectors working at this point and working well. Maybe it seems like overkill but it does everything i want and if i ever decide to just run everything off of it i can. Plus since i had it as a spare for my last car, which i never needed by the way, it cost me nothing on this project.
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Old Oct 28, 2018 | 08:23 PM
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thats tight, never considered that option. MS3 gold with the trans controller always has me looking back like



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Old Oct 29, 2018 | 08:13 AM
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MS3 is like what 3 grand?
On top of that when ever you want to make quick changes you have to plug up laptop.
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Old Oct 29, 2018 | 08:47 AM
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Originally Posted by truckdoug
thats tight, never considered that option. Ms3 gold with the trans controller always has me looking back like



​​​​​​
via imgflip meme generator

lmao!
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Old Oct 29, 2018 | 08:48 AM
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Originally Posted by Heavy H.P.
MS3 is like what 3 grand?
On top of that when ever you want to make quick changes you have to plug up laptop.
3 grand. no thanks. thats ridiculous
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