Anyone know boost psi for the 4.2 XKR?

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Jun 23, 2016 | 12:15 PM

jahummer

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From: Florida

Anyone know boost psi for the 4.2 XKR?

I did search the forums with no luck. Thanks in advance!

Jun 23, 2016 | 02:01 PM

flyc2c

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From: Statesville NC

Most I've seen on mine is 11.5psi.

Jun 23, 2016 | 02:23 PM

jahummer

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From: Florida

Quote:

Originally Posted by flyc2c

Most I've seen on mine is 11.5psi.

That's without a pulley or any other mods, right?

Jun 24, 2016 | 08:48 PM

FrickenJag

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From: Charlotte

Depending on altitude. You should see around 90 kpa (13.1 psi) on your model if I remember correctly.

Jun 25, 2016 | 03:01 AM

JagV8

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I believe the STR is 13psi so this should be also.

Jun 25, 2016 | 03:26 AM

Datsports

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From: Nelson New Zealand

Quote:

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

Jun 26, 2016 | 02:36 AM

flyc2c

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From: Statesville NC

Quote:

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.

Anyone know boost psi for the 4.2 XKR?

Anyone know boost psi for the 4.2 XKR?

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