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why does my car feel slower at full throttle????

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Old Dec 16, 2004 | 07:25 PM
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Default why does my car feel slower at full throttle????

Well basically at normal throttle, upto about %40 throttle, the car picks up well and is peppy, but past that it feels like its barely accellerating anymore and makes more noise. It is a nissan 240sx with 187k but runs great despite this symptom. Is this from just lack of power (155 hp, 160 lb tq) or is there a solution to this? i was thinking maybe a maintenance item like o2 sensor, ignition or exhaust restriction. so far it has an intake and new spark plugs. anyone know where i am coming from here?
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Old Dec 16, 2004 | 08:05 PM
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Default Re: why does my car feel slower at full throttle???? (JunIntegra)

Well it's not the O2 sensor. Readings aren't taken from the O2 sensor during WOT.
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Old Dec 17, 2004 | 06:13 AM
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Default Re: why does my car feel slower at full throttle???? (JunIntegra)

The throttle doesn't open in direct proportion to how much you step on the gas. Manufacturers make it so that it opens quickly at first and then not as much. Since most people barely go above 40% throttle like you said, it makes them think their car is faster than it is. Could this be the problem?
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Old Dec 17, 2004 | 08:00 AM
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Default Re: why does my car feel slower at full throttle???? (Lsos)

maybe, but that would mean everyones car is lke this....
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Old Dec 17, 2004 | 10:28 AM
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Default Re: why does my car feel slower at full throttle???? (JunIntegra)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by JunIntegra &raquo;</TD></TR><TR><TD CLASS="quote">maybe, but that would mean everyones car is lke this....</TD></TR></TABLE>

A lot of cars are, it's why I don't like flooring my d15 crx. It just makes more noise and smoke than anything else. A b16, on the other hand....
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