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Max boost

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Old 31 October 2015, 09:47 PM
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GONZO01
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Default Max boost

Just wondering what the max boost you can run on a standard ecu is? Car is a uk Blobeye wrx/sti.
Old 31 October 2015, 10:02 PM
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rb5 stu
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Pretty much whatever you want. Im on the standard ecu and running 1.5 bar.
Old 31 October 2015, 10:08 PM
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ossett2k2
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Originally Posted by rb5 stu
Pretty much whatever you want. Im on the standard ecu and running 1.5 bar.
Remapped? Boost limit will have been raised by mapper.
Old 31 October 2015, 10:39 PM
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rb5 stu
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Originally Posted by ossett2k2
Remapped? Boost limit will have been raised by mapper.
Yeah, mapped by bob rawle.
Old 31 October 2015, 10:50 PM
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I would have thought if you're running 1.5bar then Bob will have set your limit to around 1.6 or 1.65 bar

Stock won't be unlimited boost,would think stock limit will be around 1.35bar that's what my v3 sti was.
Old 31 October 2015, 10:58 PM
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a newage map sensor sees 1.7 bar so not unlimited.
Old 01 November 2015, 07:47 AM
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domino46
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Put a Perrin 4bar map sensor on mine and have raised the boost to 1.75bar , standard ecu , also mapped by Bob Rawle
Old 02 November 2015, 09:32 AM
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around 1.6 or so is as much as you'd want to go on the standard map sensor - as has been said above a new map sensor is needed after that but you'll still have difficulty targeting over 24psi in some ECU's.

You would be looking at aftermarket boost control systems after that and you can still keep the stock ECU doing fuelling and timing without any hassles.
Old 02 November 2015, 01:12 PM
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I'm running 1.7 peak, holding 1.5 to limiter. I asked for the boost cut to be removed during mapping (std 255kpa map sensor doesn't read high enough for me)
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