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Old 09-11-2009, 11:38 AM   #41
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that depends on your point of view of it.
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Old 09-11-2009, 12:41 PM   #42
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if it doesnt show up on a dyno its not helping.

and with a drive by wire, the car will only be as fast as the servo and the electrical connections.
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Old 09-11-2009, 02:49 PM   #43
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Yea, don't bother. The only modification seems to be worthwhile with the ETB is to add a ground wire to the housing. But other than that, you won't get anything. My Focus builds use a stock TB. FocusSport and their 400hp STC project car used a stock TB.
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Old 09-11-2009, 04:55 PM   #44
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still, i had a 97 escort that i p/p'd the tb and it seemed to help. it may be small but its just like adding a large intake tube really, more airflow. idk its just an idea really.
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Old 09-11-2009, 04:58 PM   #45
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All its been reported to do on a Focus is to increase throttle response. A dyno has never shown very reportable gains from a TB.
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Old 09-11-2009, 10:10 PM   #46
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Great info!
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Old 09-12-2009, 08:47 AM   #47
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Quote:
Originally Posted by street_tuner87 View Post
still, i had a 97 escort that i p/p'd the tb and it seemed to help. it may be small but its just like adding a large intake tube really, more airflow. idk its just an idea really.
ok, but that escort has 12year old technology, now a days car companies are optimizing their cars more and more, so i can believe a 97 escort would see a gain, and an 09 focus wouldnt.
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Old 09-12-2009, 02:55 PM   #48
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thats true but wouldnt the general idea still apply though? i understand that the tech may be optimized, but seems like it opening it up just a little would still help. yes its a small mod but thats all a p&P really is, a small mod but you still see gains from it too.



i'm not trying to argue just debating in search of knowledge. ;)
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Old 09-12-2009, 03:03 PM   #49
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Its mostly because the stock throttle body opening is the exact same size as the MAF tubing.
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Old 09-12-2009, 03:18 PM   #50
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in mine i noticed about a 1/4" to a 1/2" restriction between the tubing, tb opening, to the plate, then it goes back to the opening diameter once past the plate.
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