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Did some calculations today reguarding the 60mm SVT TB's i'm optimizing....

Stock SVT flow at 4000FPM velocity ~ 96.94 CFM
Optimized flow at 4000FPM velocity ~ 109.17 CFM

12.9% increase in flow volume

For refrence this gives the same results as bolting on a 63mm TB

If i've figured something incorrectly feel free to teach...i'm just starting to get into airflow calculations and the like in my spare time, learning whatever i can.


99 SE V6\5spd - 156 HP\157 TQ 15.166-90.84 Totaled 02/12/06 99 SVT # 1571 - 175 HP\153 TQ 14.999-91.88 Born 3/24/99 Reborn 3/18/06 Pietenpol Racing Technologies project vehicle 90 Festiva L 5spd, Blue(not for long), 103k
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Originally posted by Pole120:

Stock SVT flow at 4000FPM velocity ~ 96.94 CFM
Optimized flow at 4000FPM velocity ~ 109.17 CFM

12.9% increase in flow volume




Sign me up for one


A Contour is not just a car, it's an experience 99 T-Red SE Zetec ATX Born April 16, 1999 98 E0 Silver Frost CSVT #3175/3565 Born August 21st, 1997 Stored at P.R.T. for the winter 67 Mustang 289 project car
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Originally posted by Frosty:
Originally posted by Pole120:

Stock SVT flow at 4000FPM velocity ~ 96.94 CFM
Optimized flow at 4000FPM velocity ~ 109.17 CFM

12.9% increase in flow volume




Sign me up for one




Do it yourself, its easy.


99 TRed Contour SVT # 1853 out of 2760 230.2 WHP @ 6500 237.0 WTR @ 2250
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Wow i think i have to do this mod now! Nice numbers.

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Just for reference, how does this flow in comparison to a stock throttle body?


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Originally posted by muntus:
Just for reference, how does this flow in comparison to a stock throttle body?



Originally posted by Pole120:
Stock SVT flow at 4000FPM velocity ~ 96.94 CFM





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lol...i think he meant the stock SE TB...


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Originally posted by 99cougar:
lol...i think he meant the stock SE TB...




yeah, dude! That is what I meant.


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i am curious in this too.


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Just optimize it and fig out your own numbers!


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