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Message: <blockquote data-quote="140dB" data-source="post: 1903975" data-attributes="member: 10996">sorry normality i meant to say "a lot of hi performance NA cars ( CR of 10 or higher eg VTEC etc)...." my crap 4g13 is only 9.5cr, and so accepts low boost 0.5bar quite well. i suspect the same for 4g15.you can detune by using a hi cam or larger turbo too. modding the intake manny is expensive, maybe as much as the cam or turbo. the good points of using a larger turbo or cam is of course the power increase at hi rpm.intake design is not as simple as it looks.as far as i remember the equation for a 5th pulse intake length is 54000/rpm so for 4000rpm is 13.5 inches. the formula for intake diameter is much more complicated...</blockquote>

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Anyone interested on the abovementioned PAINTBALL MR2 WAR GAMES.
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