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Adding a boost controller

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Old 08 Aug 2013, 03:03 pm
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Join Date: Jul 2013
Location: Avon, IN
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Default Adding a boost controller

I have a boost controller left over from a mustang build. It's a greddy profec b-spec II. I'm thinking about using it for the pt. No wideband or any other modifications yet.

What is the stock boost level for a 'lite' calibration?

But I was wondering about the capabilities of the stock electronics.

If I modify the boost curve or increase the boost, will the stock computer make adjustments to handle the new boost curve?

Will the stock computer know that there is more boost and then send an appropriate amount of fuel and/or timing to accommodate the new boost levels?

How does the stock computer make adjustments for fuel and timing?

Is it preset or is it dynamically changing with the inputs of sensors?
2006 Inferno Red Limited with the Turbo
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Old 08 Aug 2013, 03:29 pm
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Default Re: Adding a boost controller

Boost controllers will not work on a PT Cruiser in stock form without the aid of a MS or DSP,DST.
The stock only PCM is very simple and can make very limited adjustments based on the sensor input.
Without being able to access some maps to calibrated the changes you might end up throttling up and going into limp mode?
A MOPAR Stage 1 helps a little but going to descriptive measures and upgrades called Stage 2, 3 or beyond to do what you would likely have to do?

I would recommend getting a DSP or DST first.

Might I suggest looking to do some research on an SRT/neon forum or perhaps PTCrew and see what some of the member there have done with regards to your query?

Also I would NEVER endeavor such a project without the safety of monitoring the AFR's. Absent that information is a sure ingredient for a disaster!
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Last edited by NitroPT; 08 Aug 2013 at 03:33 pm.
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Old 08 Aug 2013, 05:18 pm
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Join Date: Jul 2013
Location: Avon, IN
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Default Re: Adding a boost controller

Thanks Nitro,

Yea I agree, I need some other items first, wideband and tuning software for starters.

I was just hoping that maybe the Chrysler platform was a little different than the ford platforms that I'm used to dealing with.

I know the neon are very similar, but I'm more interested in the differences between them?
Does anyone have a link for that information?
2006 Inferno Red Limited with the Turbo
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