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evo 8 stock boost

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Old Jan 9, 2009, 01:18 AM
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evo 8 stock boost
i have an evo 8 and i have been noticing more things aftermarket on the car. when i was getting on it i hit 21psi. the other day when i was topping out the car, i hit about 25psi. the only things i see are an aftermarket bov, tbe, and turbo timer. those things wont change the boost pressure, and i didnt see a regulator either. just wondering if im running high boost or normal or worse. thanks for any input
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Old Jan 9, 2009, 01:32 AM
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what gear were you in when you hit 25psi? if it was 5th then the extra load on the engine could have caused the extra boost. but 20-21 psi is about normal for a 3rd gear pull.
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Old Jan 9, 2009, 02:01 AM
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I was in 5th when i hit 25psi, plus it was 30 degrees outside at the time. thanks for the info
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Old Jan 9, 2009, 02:08 AM
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pretty sure the temperature drop to 30 degrees is the culprit. turn down your mbc a pound or two until the weather gets consistant
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Old Jan 9, 2009, 02:45 AM
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Originally Posted by holiday63
pretty sure the temperature drop to 30 degrees is the culprit. turn down your mbc a pound or two until the weather gets consistant
wish i could. i don't have a mbc. got to buy one soon though
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Old Jan 9, 2009, 06:46 AM
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Extremely worth-while investment. Too much boost =
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Old Jan 9, 2009, 11:27 PM
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very true statement
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