70mm or Dremel inside of existing T.B.
 

99 4.6 GT. M.S. shorties K&N.
Any help would be appreciated.
lewillie

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99/ Silver GT 4.6 SOHC
M.S. headers 3.27

I would do it right and go to the 70mm....
But if your lookin for more productive mods:

Look at 3.73 Gears, pulleys, and even a bigger MAF may let your horse breathe better than just a throttle body alone...
(It won't matter how big the TB is if its sucking through a straw... http://www.mustangworks.com/interact...board/wink.gif


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98 GT
Bassani X-pipe, Dyno-Max Cat backs, 3.73 gears, Steeda shifter, FMS pullies, 87mm MAF, Roush cold air kit, Eibach springs, and Zex 75 shot

Yeah. A larger throttle will cost you a good ammount of money and do not quite, but almost, exactly nothing for you at this point. I wouldn't bother until you do quite a bit more.

In my opinion the biggest mistake Ford made with the modular engines is that they gear them like they are 5.0s. Gears will make a bigger difference then anything you do short of a power adder. So basically, get a set of 3.73s, and forget about (for now) the throttle body.

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'97 Cobra, K&N, Flowmaster, subframes, 4.10 gears, Steeda Tri-Ax shifter, Steeda G-Trac 3, Cobra R wheels w/ Goodyear F1s