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Anyone know boost psi for the 4.2 XKR?

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  #1  
Old 06-23-2016, 12:15 PM
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Default Anyone know boost psi for the 4.2 XKR?
I did search the forums with no luck. Thanks in advance!
 
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Old 06-23-2016, 02:01 PM
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Most I've seen on mine is 11.5psi.
 
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Old 06-23-2016, 02:23 PM
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Originally Posted by flyc2c
Most I've seen on mine is 11.5psi.
That's without a pulley or any other mods, right?
 
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Old 06-24-2016, 08:48 PM
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Depending on altitude. You should see around 90 kpa (13.1 psi) on your model if I remember correctly.
 
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Old 06-25-2016, 03:01 AM
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I believe the STR is 13psi so this should be also.
 
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Old 06-25-2016, 03:26 AM
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Originally Posted by flyc2c
Most I've seen on mine is 11.5psi.
i think some thing is rong with your bypass actuator .
as stated above , the STR is 13psi mine was 13.2 , i added a power house 1.5pound top pulley and now have 14.8psi max
 
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Old 06-26-2016, 02:36 AM
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Originally Posted by Datsports
i think some thing is rong with your bypass actuator .
as stated above , the STR is 13psi mine was 13.2 , i added a power house 1.5pound top pulley and now have 14.8psi max
To be honest I haven't gone WOT since I installed the HKS boost sensor.
 
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Old 07-02-2016, 08:38 PM
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Originally Posted by flyc2c
Most I've seen on mine is 11.5psi.
After dyno sessions today the boost from OBD was about the same as yours and I have a smaller pulley. So either that is correct or the data is incorrect and inferred.
 
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