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Originally Posted by TopgunZ Because then you can literally dial in whatever boost you want from 10psi up to 20+ psi. I dont think your tuner would want to have

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Old 09-21-2021, 03:39 PM   #1 (permalink)
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Because then you can literally dial in whatever boost you want from 10psi up to 20+ psi. I dont think your tuner would want to have you upload 50 maps. Do you really need more than 3 boost levels? most dont

However, I am not sure all tuners are capable of actually knowing how to control the solenoid. If they cant, then a boost controller will be required.
I mean, hell…. I plan on running 2 maps. Hi and Lo, with a flex fuel sensor…. I guess I’m mature enough to know “just 1 more pound” is like going back for a 3rd plate on Thanksgiving…. It’s all sh1ts and giggles, until someone giggles then sh1ts at the repair bill.
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Old 09-22-2021, 02:49 PM   #2 (permalink)
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Because then you can literally dial in whatever boost you want from 10psi up to 20+ psi. I dont think your tuner would want to have you upload 50 maps. Do you really need more than 3 boost levels? most dont

However, I am not sure all tuners are capable of actually knowing how to control the solenoid. If they cant, then a boost controller will be required.
I know the purpose and function of boost control however, my question wasn't directed at you TGZ (hope I'm not coming off as a d!ck, wasn't my intention). It was more to make a point: How many forms of boost control does a single, street-driven car need, and why use the boost solenoid if you're just going to go and mess with the boost controller after that has already been setup?

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I mean, hell…. I plan on running 2 maps. Hi and Lo, with a flex fuel sensor…. I guess I’m mature enough to know “just 1 more pound” is like going back for a 3rd plate on Thanksgiving…. It’s all sh1ts and giggles, until someone giggles then sh1ts at the repair bill.
That was my point... no one needs "50 maps" when 2-3 will be enough for most. On top of that, paying to have ~3 maps specifically configured then going back and playing with the boost controller on top of those tunes have been calibrated is just asking for trouble imo.

But hey, I only pay for my own car so what the next guy/girl does is up to them.
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Old 09-23-2021, 07:43 AM   #3 (permalink)
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It was more to make a point: How many forms of boost control does a single, street-driven car need, and why use the boost solenoid if you're just going to go and mess with the boost controller after that has already been setup?


You would not use both forms. You can only use one solenoid so you would either use that solenoid to be controlled directly from Ecutek/ECU or you would control it from the boost control head unit/gauge.

I may have confused some guys when stating "50 maps". We run the scg-1 in the RnD car and the car was tuned by a good tuner (Eugene) who sets this thing up so that the injectors automatically scale to the psi the MAP sensor is reading. Therefore, you have unlimited boost bandwidth. Meaning I could go from 10 psi up to 20+psi in .5 psi increments and the cars AFR's would be spot on at any given psi/herspers.

Kind of nice if you have it set to 11psi for a daily but drink a lot of coffee one morning and decide you want to drive to work at 13psi instead...lol..
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Old 09-23-2021, 04:33 PM   #4 (permalink)
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You would not use both forms. You can only use one solenoid so you would either use that solenoid to be controlled directly from Ecutek/ECU or you would control it from the boost control head unit/gauge.
That's what I was saying
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