Fiesta RS1800/RS Turbo This forum is for discussion of all things pertaining to the Ford Fiesta RS Range of cars.

boost level

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Old Mar 13, 2006 | 08:19 AM
  #1  
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turbodaily
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Default boost level

ok boys,anyone know the exact boost you can run max on a fez turbo ofab managment without a superchip?

cheers
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Old Mar 13, 2006 | 09:07 AM
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I think its about 11 psi.My first turbo was standard bar an exhaust and k&n and on a cool or wet night would overboost.

Get a chip
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Old Mar 13, 2006 | 10:08 AM
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i was selling my car a little while back and sold the chip and alloys ,but now decided to keep her after taking her for a spin the other day after not driving her for a month.back to square 1!! she was running 10psi with the chip anyways so hopefully i can getaway with it
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Old Mar 13, 2006 | 07:32 PM
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Hi Mine overboosts in 4th and 5th at 10 psi. Not always... its worse when its cold.
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Old Mar 14, 2006 | 07:32 PM
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i have an unchipped frst running ofab and my boost cut comes in at 8psi held for 5 seconds or more and then it limits my boost to 6psi until the engien is turned off and back on again

from memory stage one chips let u run 12psi and a stage 2 am unsure off top of my head

am fitting a new engine and erst box to mine very soon and will go for a stage 1 chip with that until i can aford the full spec of t3 turbo beiges etc etc lol
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Old Mar 14, 2006 | 09:21 PM
  #6  
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its boosting up to 10ish,only given it the beans in 1str and 2nd and hasnt overboosted yet,however you usually have to get them on full chat in 3rd/4th to get overboost dont ya?
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Old Mar 14, 2006 | 11:43 PM
  #7  
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turbodaily

dan i told u already its 9 max or just pm me 4 my stage 2 and 701s
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