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Message: <blockquote data-quote="wan syahmi" data-source="post: 348247" data-attributes="member: 15222">(Seriously, by just looking at your video, you car seem to be performing just like a stock unit at anything above 180kmh. are you kidding yourself with 240hp? Do note that with performance cams fitted, the car should be at a nice performance sweetspot at that speed/rpm and the car should be accelerating exponentially compared to stock, but your car doesnt seem to be doing so and seems to be running out of air playing catch up with that golf gti which is clearly out of your lead)if u see the video clearly and  u see the spec both car, do u thinkk i can catch with that gti.?..gti turbo spec...200hp,1400kg, load 1 person, standart rim ,my car 325ci...190hp standart, 1850kg origional weight, front rim 235,18,40, rear rim , 18,35,255. sound system weight about 30kg and load 3 person..at that time, my check light is on, if u know, if check light is on, my vanos is not on, so can my car reach 250 easily? if my check light is not on, ill get 10-15hp more.(you also mentioned you change the injectors with 330 unit. you do know the 330 injector is about 50% larger than stock right?, by just changing the injectors and no tuning, you car will be running lean and knocking which makes sense of your car's poor performance and check engine light blaring at you.)that is true, the 330 injector is 50% more larger than stock.,but iam not understand why my car will lean if i change injector with no tuning.??? its chould be rich...another 1, erm this is my experience,,when my car running Very lean and there is a knocking, the computer will cut automaticly signal from air mass sensor and use o2 sensor all the time, the reading will be 14.++ all the time....about the check light, its because i remove both my catalytic converter... when i maintaint drive below 120kmh longer than 5 minutes, its will light, because in vacum, the computer  will use air mass, after vacum, it will use o2 sensor,, correct me if i wrong.. ( couse the reading o2 sensor is over the range, thats why my check light will on.)</blockquote>

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