When does your boost kick in!!!
07 November 2009, 12:01 AM
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When does your boost kick in!!!
Mine dont come in till over 3grand then screams.Been in cars that kick from when you hit the pedel.Whats the norm??
07 November 2009, 01:24 AM
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07 November 2009, 09:25 AM
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Hawkeye uk STI 2.5 litre full decat and remap, Boost cuts in at 2400 rpm and pulls hard to 6000 rpm 
Last edited by greatgonzo; 07 November 2009 at 09:26 AM.
07 November 2009, 12:12 PM
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07 November 2009, 01:29 PM
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UK 2.0 STI8 PPP. Boost comes on 2400. Full boost by 3200 and pulls hard all the way to 8000.
Of course it's worth noting that boost is primarily throttle dependant rather than rev dependant. While there is a minimum air momentum required which doesn't exist much below 2400rpm at any load, you can be zooming along at 4000rpm with little or no boost unless you give it enough throttle for the boost to kick in. e.g. my car wouldn't give any boost, regardless of the rpm, until I gave it 24% throttle (Prodrive setting, goodness how bad it is for stock). I've remapped it so that provided there is enough air flow it will start to boost if my shoe so much as looks at the throttle...
Of course it's worth noting that boost is primarily throttle dependant rather than rev dependant. While there is a minimum air momentum required which doesn't exist much below 2400rpm at any load, you can be zooming along at 4000rpm with little or no boost unless you give it enough throttle for the boost to kick in. e.g. my car wouldn't give any boost, regardless of the rpm, until I gave it 24% throttle (Prodrive setting, goodness how bad it is for stock). I've remapped it so that provided there is enough air flow it will start to boost if my shoe so much as looks at the throttle...
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