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Profec B spec II help

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Old 12-24-05, 03:05 AM
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Rotary Freak

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Profec B spec II help

Ok, so I picked up my FD today, and I was just cruising in 5th gear when I started to get on it a little. My boost controller started to flash red and I let off and took a quick look at it and it was around 75ish. I tried again to see if it did it again but didn't. Tried again and did it again. My boost gauge read getting close to about 10psi.

Now I do NOT want any kind of problems with my engine, so I was wondering what I should do about this? I want to set basically a "day" and a "night" mode since the nights here are starting to get colder. I just want to be safe, don't need anything that will blow my engine.

Any help would be great.
Old 12-24-05, 03:14 AM
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Originally Posted by HardHitter
Ok, so I picked up my FD today, and I was just cruising in 5th gear when I started to get on it a little. My boost controller started to flash red and I let off and took a quick look at it and it was around 75ish. I tried again to see if it did it again but didn't. Tried again and did it again. My boost gauge read getting close to about 10psi.

Now I do NOT want any kind of problems with my engine, so I was wondering what I should do about this? I want to set basically a "day" and a "night" mode since the nights here are starting to get colder. I just want to be safe, don't need anything that will blow my engine.

Any help would be great.
One method I read about that seemed like a good way to set up the controller with a clean slate (if the base I set you up with isn't working well) was to turn gain, set, and set gain to 0, then gradually turn up gain until the boost started to waiver and back it off a little. This sets the gain at the maximum level without fluctuating boost. Then gradually increase the set until the car is boosting 10 psi. Then increase the set gain until you get a small spike on the primary then back it off a little.

This should get you a good 10-8-10 pattern. And like I said Brian, if you need help getting this set up, give me a call or stop by sometime and I'll help you out.

Also if you do a search on "profec" in the title of threads in the 3rd gen section it will bring up a lot of threads about other peoples experiences and advice setting up the controller.
Old 12-24-05, 12:57 PM
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triangles

 
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all that sounds like is the warning function. the boost controller doesnt know if u were to boost to high, there is a setting for it to flash at a certain psi.

but it wouldnt be bad either to reset it and tune it yourself. its pretty simple, just do a search online and download the instructions.
Old 12-24-05, 01:33 PM
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I bought the car from BlueRex and he said he set it pretty conservative which is basically what I'd like to have because I don't want to have it come close to spiking and blowing my engine. From what I've read, you want to set it around 9.5-8-9.5 pattern because of small spikes.

I'm sort of scared of messing with it because I don't want to risk screwing up my engine or creating problems.
Old 12-24-05, 01:42 PM
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Originally Posted by BlueRex
And like I said Brian, if you need help getting this set up, give me a call or stop by sometime and I'll help you out.
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