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Discussion Starter #1
i read a post awhile ago explaining that the aftermarket throttle body is not worth installing in the pzev because of little of none hp gain, but now i can't find it...anyway, i have to question this - wouldn't a throttle body improve acceleration response, (even if it doesn't improve 1/4 mile times) and the rpm lag/ providing increased engine braking? i would like to hear from anyone that has replaced their stock 2.3 t/b with the one from focus central and what their overall opinion is.
 

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Sückn' n Blown
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Yes, it will improve your throttle responce, and you will have realatively not hp gains.
 

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I don't think it will affect smog restrictions...I believe majority of the smog prevention has to do with the air box and the other chamber that is there to keep things clean. Also the Exaust has a big deal with it.
 

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Does the aftermarket tb improve 1/4 mile times?
 
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