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arbess

By arbess,
in Queensland

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Mud Grand Master

Mud

Posted
Posted
Hi,

Is anyone elses boost going up a little more than usual in this current weather state? Mines nearly reaching the +7mmHG, im thinking around 10-12psi.

This is at night of course.

turn your undercar neons off and everything will go back to normal.

Its common knowledge that undercar neons will increase your boost levels, even on NA 4 Cylinder's

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Col-GTSX Grand Master

Col-GTSX

Posted
Posted

You will notice more performance at night comming into winter due to the colder dencer air...

This is common for any car... Cause if the air is 10 degres cooler entering the air filter its gonna be 10 degres cooler at the throttle body (allow for some variance of course)...

This in turn will make the turbo sound different and improve performance... But i have seen boost increase under stock control or with a bleed valve....

Us with electronic boost controllers dont see these things happen anymore...

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Mr-Toy33 Grand Master

Mr-Toy33

Posted
Posted
Us with electronic boost controllers dont see these things happen anymore...

I've been told with the avc-r (electronic boost) that it can still spike.

i'm running 1.2bar of boost (17psi) and the guys who tuned it said it could spike to about 1.3bar of boost during cold weather.

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arbess Experienced

arbess

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  • Author
Posted (edited)

Haha, my neons are off haha. Yeh i understand the colder air theory, we all did year 12 science. But i would of thought the actuator and the wastegate would of controlled all the increase and ONLY slightly increase the boost. Isuppose thats the way it goes.

Anyways is your car doing it? for those who dont have the SPC SBC ABC PFC PFFFFFFT systems, =)

Edited by arbess
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