Thread: compression ratio for supercharged xr4i
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Old Dec 30, 2016 | 09:32 PM
  #8  
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carbon1993
I'm Finding My Feet Here Now
 
Joined: Feb 2013
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From: Netherlands
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the supercharger won't do more than 7/8 PSI if it runsgood with the supercharger im a happy man. if it gets round 250Hp i wont mod it any further.
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